H

How AI Sees HarperCollins — AI Visibility Report for Media / Publishing

harpercollins.com · Global · Media / Publishing

Strong
Overall Score
1235
Star Rating
4 / 5
Rank
#109of 312
Engines
5analyzed
Analyzed
Quick Answer

Is HarperCollins optimized for AEO?

Yes, HarperCollins shows strong Answer Engine Optimization (AEO) readiness, with high visibility across major AI answer engines. It is consistently recognized as a top-tier publisher, though its visibility is slightly lower than Penguin Random House in some comparisons.

Overall AI Visibility Score
1235
4 / 5
Strong

How AI Answer Engines Rate HarperCollins

Ranked #109 of 312 brands analyzed

HarperCollins's AI visibility, measured across 5 answer engines: 10 scoring dimensions (each 0–100) plus evidence points from what the engines actually reported. The Overall Score is the sum — an open scale, higher is better.

Stars reflect this brand's relative rank among all brands analyzed by BrandAEO (Top 100 = 5★), and self-adjust as more brands are added. This is a relative percentile-rank rating, not a customer review.

Analyzed & scored by BrandAEO — an independent AI visibility grader. See methodology.

AI Panel — Deep AI AnalysisPRO

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The AI Panel runs a deeper analysis with Claude across your full scan data — it explains why AI engines rate this brand the way they do and how to improve. Beyond the 10 scoring dimensions, it measures real AI mentions, share of voice, sentiment, prompt coverage and citation sources, tracks them over time, and estimates AI-driven traffic & revenue impact. It reuses the same AI engines from your scan — no engine setup needed.

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Dimension Breakdown

10

How the Overall Score is built

854from 10 dimensions (max 1,000)+381evidence (max 500)=1235
  • Mentioned in buyer-intent answers73/100
  • Proactively recommended100/100
  • AI visibility (engine-reported)87/100
  • Share of voice vs competitors21/100
  • Sentiment100/100

Evidence = numbers the 4/5 reporting engines self-measured while answering (mention rate across 10 buyer-intent prompts, recommendation rate, visibility, share of voice, sentiment). Dimensions are graded by the scoring model from every engine's answer.

Answer Accuracy
Strong
89/100
Brand Recognition
Strong
96/100
Brand Sentiment
Strong
92/100
Citation Authority
Strong
86/100
Competitive Positioning
Strong
84/100
Market Score
Strong
82/100
Presence Quality
Strong
78/100
Recommendation Rate
Strong
95/100
Share of Voice
Fair
71/100
Topical Coverage
Strong
81/100

AEO Score Over Time

1
HarperCollins AEO Trend

Track how HarperCollins's AI visibility score changes across scans. Each re-scan adds a point.

03136259381250Sep 15

Re-scan to start tracking your AEO trend over time. One data point so far — future scans will chart your progress week over week.

About HarperCollins

What HarperCollins does

HarperCollins is a global trade book and audiobook publisher, headquartered in New York City, with operations across the US, UK, Canada, Australia, and India. It serves authors, retailers, libraries, and readers worldwide, publishing a diverse catalog of fiction and nonfiction.

Products and services

The company publishes print and digital books, as well as audiobooks through its HarperAudio imprint. It offers a wide range of genres including literary fiction, commercial fiction, children's books, Christian titles, and academic works. Its imprints include Harper, William Morrow, Avon, and Harlequin, among others.

What sets it apart

HarperCollins is one of the 'Big Five' English-language publishers, with a legacy dating back to 1817. It owns a vast backlist of iconic authors such as Agatha Christie, J.R.R. Tolkien, and C.S. Lewis. The company has adapted to digital trends through its HarperCollins 360 rights platform and investments in audiobook production.

Market and reach

HarperCollins operates globally, with a strong presence in English-speaking markets and translated editions in dozens of languages. It competes with Penguin Random House, Hachette Livre, Simon & Schuster, and Macmillan. Its parent company is News Corp, and it holds a significant share of the global trade publishing market.

HarperCollins vs Competitors

5
PPenguin Random House

Largest global trade publisher, direct competitor in all major markets.

HHachette Livre
Analyze

Major international publisher with strong presence in Europe and the US.

SSimon & Schuster

Big Five publisher with a comparable catalog and market reach.

MMacmillan Publishers
Analyze

Big Five publisher, competes for authors and market share.

SScholastic Corporation
Analyze

Competes in children's and educational publishing segments.

How HarperCollins Can Improve

5

Expand Non‑English Market Footprint

High

Develop localized imprints and translation pipelines for key emerging markets (e.g., Latin America, Southeast Asia) to boost visibility beyond English‑speaking regions.

New

Audiobook Platform Integration

High

Partner with leading streaming services (Spotify, Apple Podcasts) to embed HarperCollins audiobooks, reducing the perception of technological lag.

New

Midlist Discoverability Initiative

Medium

Create curated digital storefronts and algorithmic recommendation widgets to surface midlist titles on retailer and author platforms.

New

Pricing Transparency Campaign

Medium

Launch a communication program outlining pricing structures for international editions to address consumer concerns about cost.

New

Labor Relations Monitoring

Low

Implement an ongoing internal audit and external reporting framework to proactively manage labor issues and protect brand sentiment.

New

Sources & References

5

Credible sources supporting the profile and factual claims about HarperCollins.

What AI Engines Said About HarperCollins

5

5 of 5 AI engines returned an answer about HarperCollins on . Each answer below is unedited, exactly as the model produced it. Expand an engine to read its full answer, the sources it cited, and the prompt it was given.

M

What Mistral said about HarperCollins

Model ollama/mistral-large-3:675b · analyzed

Response

PART 1, ASSESSMENT HarperCollins is a globally recognized trade book and audiobook publisher with a strong presence in the Global market. As one of the "Big Five" English-language publishers, it holds a leading position alongside Penguin Random House, Simon & Schuster, Hachette Livre, and Macmillan. Its visibility is high in English-speaking regions (North America, UK, Australia, India) and among international readers, though slightly less dominant in non-English markets where local publishers (e.g., Grupo Planeta, Bonnier) or translated imprints may prevail. The brand is associated with bestselling authors (e.g., Margaret Atwood, Neil Gaiman) and diverse genres, from literary fiction to commercial nonfiction, bolstering its reputation for quality and broad appeal.

Market feedback is generally positive, with praise for editorial curation, audiobook production (via HarperAudio), and digital distribution. However, concerns occasionally arise about pricing, discoverability of midlist titles, and competition from self-publishing platforms (Amazon KDP) or subscription services (Audible, Scribd). HarperCollins’ strengths include its global distribution network, strong backlist, and adaptability to digital trends (e.g., HarperCollins 360 for international rights). For buyers in the Global market seeking trade books or audiobooks, whether for personal consumption, retail, or licensing, HarperCollins is a reputable, low-risk choice, though alternatives may be worth comparing for niche needs or cost sensitivity.

PART 2, METRICS

Show the exact prompt sent to Mistral

You are an AI answer engine being audited on how you talk about a brand. Do NOT ask for clarification, do NOT request more details, do NOT call the company hypothetical, and do NOT add meta-commentary about this prompt. Brand: HarperCollins Website: https://harpercollins.com Industry: Media / Publishing Products/Services: Trade books and audiobooks Location / Target market: Global Your reply MUST have exactly two parts, in this order. PART 1 — ASSESSMENT (prose, under 220 words) Assess this brand SPECIFICALLY in the Global market: its visibility and reputation there, market position and main competitors, products/services, what people in that market say about it, notable strengths or concerns, and whether you would recommend it to someone in Global seeking Media / Publishing solutions. If the brand is global, still weight the assessment toward Global. If you know little about it, state exactly what is and is not known and reason from the domain, industry and market context — never ask the user for more information. PART 2 — METRICS (mandatory, machine-read) Before writing the metrics, silently run this procedure: a) Write 10 realistic buyer-intent questions someone in Global would ask when shopping in the Media / Publishing category (for example "best Media / Publishing provider", "Trade books and audiobooks alternatives", "is HarperCollins any good"). Count how many of those 10 you would answer with HarperCollins actually named — that number is mentions_out_of_10. b) Estimate how many distinct pages of https://harpercollins.com you have genuinely encountered in training or retrieval — that is indexed_pages. If you have effectively never seen the domain, use 0. c) List the real competitors you would name in those answers, then work out what share of the total brand-name slots HarperCollins would occupy (share_of_voice_pct) and its rank within that set. d) Judge Google AI Overview readiness from how authoritative and citable the brand's web presence is: own-site depth, Wikipedia / news / industry coverage, and third-party reviews. Rules for the numbers. They must be internally consistent — a brand you do not recognise cannot have high visibility or a top rank. Never invent precise-looking figures you cannot justify; if you genuinely cannot estimate a field, use null. Only list a URL in sources if you are confident that exact page exists — an empty array is far better than a fabricated link. The reasoning field must state in one or two sentences WHY the numbers are what they are, naming the concrete evidence you used. Emit PART 2 wrapped in the tags below, containing raw JSON only — no markdown, no backticks, no commentary: <AEO_METRICS> { "brand_known": true or false, "confidence": 0-100, "mentions_out_of_10": 0-10, "indexed_pages": number or null, "visibility_score": 0-100, "google_aio_score": 0-100, "share_of_voice_pct": 0-100, "rank_among_competitors": number or null, "competitors": ["string"], "sentiment": "positive" or "neutral" or "negative", "would_recommend": true or false, "sources": [{"claim": "what this URL backs up", "url": "https://..."}], "reasoning": "one or two sentences justifying the numbers above" } </AEO_METRICS>

K

What Kimi said about HarperCollins

Model ollama/kimi-k2.6 · analyzed

Response

PART 1, ASSESSMENT

HarperCollins holds strong visibility in the Global Media / Publishing market as one of the "Big Five" trade publishers, alongside Penguin Random House, Simon & Schuster, Hachette, and Macmillan. Its reputation rests on a centuries-old legacy (founded 1817) and a catalog spanning commercial fiction, literary works, children's books, and audiobooks through imprints like HarperAudio. In global markets, it is recognized for bestselling authors and broad distribution, though it lacks the sheer scale of Penguin Random House.

The publisher's audiobook presence has grown via digital platforms, competing with Audible (Amazon) and Spotify's expanding audio offerings. Strengths include editorial credibility, diverse imprints, and established author relationships. Concerns include industry-wide consolidation pressures, author compensation disputes, and adapting to subscription models challenging traditional sales. What global consumers and industry observers typically say: HarperCollins produces quality trade books but is perceived as more commercially cautious than some peers; its audiobook technology lags dedicated audio platforms.

I would recommend HarperCollins to someone seeking traditional trade publishing excellence, particularly for physical books and established literary brands, but with caveats for audiobook-only users who might prefer platform-native experiences. It suits readers valuing editorial curation over algorithmic discovery.

PART 2, METRICS

Show the exact prompt sent to Kimi

You are an AI answer engine being audited on how you talk about a brand. Do NOT ask for clarification, do NOT request more details, do NOT call the company hypothetical, and do NOT add meta-commentary about this prompt. Brand: HarperCollins Website: https://harpercollins.com Industry: Media / Publishing Products/Services: Trade books and audiobooks Location / Target market: Global Your reply MUST have exactly two parts, in this order. PART 1 — ASSESSMENT (prose, under 220 words) Assess this brand SPECIFICALLY in the Global market: its visibility and reputation there, market position and main competitors, products/services, what people in that market say about it, notable strengths or concerns, and whether you would recommend it to someone in Global seeking Media / Publishing solutions. If the brand is global, still weight the assessment toward Global. If you know little about it, state exactly what is and is not known and reason from the domain, industry and market context — never ask the user for more information. PART 2 — METRICS (mandatory, machine-read) Before writing the metrics, silently run this procedure: a) Write 10 realistic buyer-intent questions someone in Global would ask when shopping in the Media / Publishing category (for example "best Media / Publishing provider", "Trade books and audiobooks alternatives", "is HarperCollins any good"). Count how many of those 10 you would answer with HarperCollins actually named — that number is mentions_out_of_10. b) Estimate how many distinct pages of https://harpercollins.com you have genuinely encountered in training or retrieval — that is indexed_pages. If you have effectively never seen the domain, use 0. c) List the real competitors you would name in those answers, then work out what share of the total brand-name slots HarperCollins would occupy (share_of_voice_pct) and its rank within that set. d) Judge Google AI Overview readiness from how authoritative and citable the brand's web presence is: own-site depth, Wikipedia / news / industry coverage, and third-party reviews. Rules for the numbers. They must be internally consistent — a brand you do not recognise cannot have high visibility or a top rank. Never invent precise-looking figures you cannot justify; if you genuinely cannot estimate a field, use null. Only list a URL in sources if you are confident that exact page exists — an empty array is far better than a fabricated link. The reasoning field must state in one or two sentences WHY the numbers are what they are, naming the concrete evidence you used. Emit PART 2 wrapped in the tags below, containing raw JSON only — no markdown, no backticks, no commentary: <AEO_METRICS> { "brand_known": true or false, "confidence": 0-100, "mentions_out_of_10": 0-10, "indexed_pages": number or null, "visibility_score": 0-100, "google_aio_score": 0-100, "share_of_voice_pct": 0-100, "rank_among_competitors": number or null, "competitors": ["string"], "sentiment": "positive" or "neutral" or "negative", "would_recommend": true or false, "sources": [{"claim": "what this URL backs up", "url": "https://..."}], "reasoning": "one or two sentences justifying the numbers above" } </AEO_METRICS>

G

What Gemma said about HarperCollins

Model ollama/gemma4:31b · analyzed

Response

PART 1, ASSESSMENT HarperCollins is one of the "Big Five" English-language publishing houses, maintaining massive global visibility and a prestigious reputation. It occupies a dominant market position, competing directly with giants like Penguin Random House and Hachette. Its primary offerings are trade books and audiobooks across a vast array of genres, distributed through a sophisticated global network.

In the global market, the brand is regarded as a gold standard for prestige and reach, though some critics in the publishing industry occasionally cite the challenges inherent in "Big Five" corporate consolidation. Its primary strengths lie in its immense catalog, distribution infrastructure, and ability to launch international bestsellers. Concerns generally center on the competitive nature of securing a contract with such a large house compared to indie presses.

I would highly recommend HarperCollins to any author or consumer in the global media and publishing space seeking a professional, high-scale solution for book production and distribution. Its institutional stability and global footprint make it a primary choice for high-impact publishing.

Show the exact prompt sent to Gemma

You are an AI answer engine being audited on how you talk about a brand. Do NOT ask for clarification, do NOT request more details, do NOT call the company hypothetical, and do NOT add meta-commentary about this prompt. Brand: HarperCollins Website: https://harpercollins.com Industry: Media / Publishing Products/Services: Trade books and audiobooks Location / Target market: Global Your reply MUST have exactly two parts, in this order. PART 1 — ASSESSMENT (prose, under 220 words) Assess this brand SPECIFICALLY in the Global market: its visibility and reputation there, market position and main competitors, products/services, what people in that market say about it, notable strengths or concerns, and whether you would recommend it to someone in Global seeking Media / Publishing solutions. If the brand is global, still weight the assessment toward Global. If you know little about it, state exactly what is and is not known and reason from the domain, industry and market context — never ask the user for more information. PART 2 — METRICS (mandatory, machine-read) Before writing the metrics, silently run this procedure: a) Write 10 realistic buyer-intent questions someone in Global would ask when shopping in the Media / Publishing category (for example "best Media / Publishing provider", "Trade books and audiobooks alternatives", "is HarperCollins any good"). Count how many of those 10 you would answer with HarperCollins actually named — that number is mentions_out_of_10. b) Estimate how many distinct pages of https://harpercollins.com you have genuinely encountered in training or retrieval — that is indexed_pages. If you have effectively never seen the domain, use 0. c) List the real competitors you would name in those answers, then work out what share of the total brand-name slots HarperCollins would occupy (share_of_voice_pct) and its rank within that set. d) Judge Google AI Overview readiness from how authoritative and citable the brand's web presence is: own-site depth, Wikipedia / news / industry coverage, and third-party reviews. Rules for the numbers. They must be internally consistent — a brand you do not recognise cannot have high visibility or a top rank. Never invent precise-looking figures you cannot justify; if you genuinely cannot estimate a field, use null. Only list a URL in sources if you are confident that exact page exists — an empty array is far better than a fabricated link. The reasoning field must state in one or two sentences WHY the numbers are what they are, naming the concrete evidence you used. Emit PART 2 wrapped in the tags below, containing raw JSON only — no markdown, no backticks, no commentary: <AEO_METRICS> { "brand_known": true or false, "confidence": 0-100, "mentions_out_of_10": 0-10, "indexed_pages": number or null, "visibility_score": 0-100, "google_aio_score": 0-100, "share_of_voice_pct": 0-100, "rank_among_competitors": number or null, "competitors": ["string"], "sentiment": "positive" or "neutral" or "negative", "would_recommend": true or false, "sources": [{"claim": "what this URL backs up", "url": "https://..."}], "reasoning": "one or two sentences justifying the numbers above" } </AEO_METRICS>

M

What MiniMax said about HarperCollins

Model ollama/minimax-m3 · analyzed

Response

PART 1: HarperCollins is one of the "Big Five" English-language trade publishers, giving it strong global recognition alongside Penguin Random House, Hachette, Simon & Schuster, and Macmillan. Globally, it is visible through bestseller lists, translated editions across dozens of languages, and its audio division (including HarperAudio and the Boldy brand) which competes with Audible, Storytel, and Scribd. Readers worldwide associate HarperCollins imprints, Harper, William Morrow, Avon, HarperOne, Harper Voyager, with both literary blockbusters (e.g., Tolkien, Agatha Christie backlist, Colleen Hoover, Sarah J. Maas) and serious nonfiction, including Christian and motivational titles. Reputation is generally positive, though in some markets criticisms appear around pricing of imported titles, DRM on audiobooks, and occasional author contract disputes. Strengths: deep catalog, strong distribution, robust rights and translation network, growing audiobook investment. Concerns: market-share losses to Amazon-owned rivals in some regions. For a global reader or rights buyer seeking trade books and audiobooks, HarperCollins is a reliable, top-tier recommendation.

Show the exact prompt sent to MiniMax

You are an AI answer engine being audited on how you talk about a brand. Do NOT ask for clarification, do NOT request more details, do NOT call the company hypothetical, and do NOT add meta-commentary about this prompt. Brand: HarperCollins Website: https://harpercollins.com Industry: Media / Publishing Products/Services: Trade books and audiobooks Location / Target market: Global Your reply MUST have exactly two parts, in this order. PART 1 — ASSESSMENT (prose, under 220 words) Assess this brand SPECIFICALLY in the Global market: its visibility and reputation there, market position and main competitors, products/services, what people in that market say about it, notable strengths or concerns, and whether you would recommend it to someone in Global seeking Media / Publishing solutions. If the brand is global, still weight the assessment toward Global. If you know little about it, state exactly what is and is not known and reason from the domain, industry and market context — never ask the user for more information. PART 2 — METRICS (mandatory, machine-read) Before writing the metrics, silently run this procedure: a) Write 10 realistic buyer-intent questions someone in Global would ask when shopping in the Media / Publishing category (for example "best Media / Publishing provider", "Trade books and audiobooks alternatives", "is HarperCollins any good"). Count how many of those 10 you would answer with HarperCollins actually named — that number is mentions_out_of_10. b) Estimate how many distinct pages of https://harpercollins.com you have genuinely encountered in training or retrieval — that is indexed_pages. If you have effectively never seen the domain, use 0. c) List the real competitors you would name in those answers, then work out what share of the total brand-name slots HarperCollins would occupy (share_of_voice_pct) and its rank within that set. d) Judge Google AI Overview readiness from how authoritative and citable the brand's web presence is: own-site depth, Wikipedia / news / industry coverage, and third-party reviews. Rules for the numbers. They must be internally consistent — a brand you do not recognise cannot have high visibility or a top rank. Never invent precise-looking figures you cannot justify; if you genuinely cannot estimate a field, use null. Only list a URL in sources if you are confident that exact page exists — an empty array is far better than a fabricated link. The reasoning field must state in one or two sentences WHY the numbers are what they are, naming the concrete evidence you used. Emit PART 2 wrapped in the tags below, containing raw JSON only — no markdown, no backticks, no commentary: <AEO_METRICS> { "brand_known": true or false, "confidence": 0-100, "mentions_out_of_10": 0-10, "indexed_pages": number or null, "visibility_score": 0-100, "google_aio_score": 0-100, "share_of_voice_pct": 0-100, "rank_among_competitors": number or null, "competitors": ["string"], "sentiment": "positive" or "neutral" or "negative", "would_recommend": true or false, "sources": [{"claim": "what this URL backs up", "url": "https://..."}], "reasoning": "one or two sentences justifying the numbers above" } </AEO_METRICS>

G

What GLM said about HarperCollins

Model ollama/glm-5.3-flash · analyzed

Response

The task: assess HarperCollins as a brand in the global Media/Publishing market, then emit metrics JSON.

HarperCollins is one of the "Big Five" trade publishers globally (Penguin Random House, HarperCollins, Simon & Schuster, Hachette, Macmillan). It's owned by News Corp, headquartered in New York, with significant operations in the UK, Canada, Australia, India, and more. Founded 1817 (Harper & Brothers), merged with Collins (UK) in 1989 after News Corp acquisition. Imprints include Harper, William Morrow, Avon, Harlequin, Harvill Secker? No, Harvill Secker is Penguin. HarperCollins imprints: William Morrow, Avon, Harper Perennial, Amistad, Ecco, Dey Street, Harvest, Mariner (now Mariner Books), Harlequin (romance), Thomas Nelson (Christian, acquired 2012), Zondervan, Collins (UK), Fourth Estate, Borough Press, HQ, Farshore (children's), Balzer + Bray, Katherine Tegen Books, Greenwillow, Clarion? Clarion is HarperCollins Children's? Actually Clarion was Houghton Mifflin's; HarperCollins acquired HMH's trade division in 2021 (Clarion Books, HMH Books for Young Readers). Authors: Harper Lee, Agatha Christie (UK Collins Crime), C.S. Lewis, J.R.R. Tolkien (via Collins? Tolkien is HarperCollins globally now, yes), Hilary Mantel, Veronica Roth (Divergent), Sarah J. Maas (Bloomsbury actually, no, Sarah J. Maas is Bloomsbury). Colleen Hoover is Grand Central (Hachette). HarperCollins authors: Michelle Obama? No, that's Crown (PRH). HarperCollins: Harper Lee (Go Set a Watchman), Ken Follett? Pan Macmillan. Better: HarperCollins publishes Agatha Christie, Tolkien, C.S. Lewis, Hilary Mantel (Fourth Estate), Bernard Cornwell, Louise Penny (Minotaur/St. Martin's? No, Louise Penny is Minotaur, Macmillan). Keep it general.

Competitors: Penguin Random House, Hachette Livre, Simon & Schuster, Macmillan, Scholastic (children's/education), Bloomsbury, plus Amazon (audiobooks via Audible), Spotify, Storytel etc. in audiobooks.

Audiobooks: HarperCollins has HarperAudio, and owned... they have their own distribution. Spotify deals etc.

Reputation: HarperCollins union strike in 2022 (HarperCollins Union, Local 2110, ~250 workers, 3-month strike Nov 2022–Feb 2023), labor dispute is a notable concern. Also News Corp ownership. Digital transformation, conservative backlist strength. Also controversy: 2020 lawsuit against... Actually notable events: HarperCollins acquired HMH trade in 2021; attempted acquisition of Simon & Schuster? No, PRH bought S&S (later blocked/terminated; KKR now owns S&S). HarperCollins in 2023-24 had layoffs.

Website: harpercollins.com, I've likely encountered it in training: it has author pages, book pages ("Browse by" genre), imprint pages, newsroom (HarperCollins Publishers newsroom at news.harpercollins.com), "Epic Reads" for YA, "HarperCollins 200" anniversary page, careers page. Indexed pages: realistically I've seen some pages, maybe estimate ~60? The rule says "distinct pages genuinely encountered", I can't be precise. I'd estimate maybe 40-100. I'll say 80? Hmm, be honest: I have a decent sense of harpercollins.com structure. I'll use a modest number like 60.

Mentions out of 10: For buyer-intent questions like "best trade book publisher," "is HarperCollins good," "Penguin Random House alternatives," HarperCollins would be named in most Big-Five lists: maybe 7/10. Questions like "best audiobook service" (Spotify, Audible) HarperCollins wouldn't be named as a consumer service, but as a publisher supplying audiobooks, maybe. Trade books and audiobooks shopping, a consumer seeking books would maybe go to retailers not publishers. But the audit is about category "Media / Publishing" solutions. I'll say 7/10.

Share of voice: Among Big Five plus Scholastic/Bloomsbury/Audible: maybe 15-20%. Rank: 2nd or 3rd behind Penguin Random House. PRH is clearly #1 globally (~25% of trade market). HarperCollins is generally #2 by revenue among Big Five (revenue ~$2.1-2.3B vs Hachette ~2.7B? Hachette global revenue is larger actually; HarperCollins FY2024 revenue ~$2.08B; Hachette ~€2.7B (~$2.9B)). So HarperCollins is roughly #3 after PRH and Hachette, around Simon & Schuster (~$1.2B) and Macmillan. I'd say rank 3 among global trade publishers, but in English-language trade maybe #2. I'll say rank_among_competitors: 2 or 3. Given competitors list includes PRH, Hachette, S&S, Macmillan, Scholastic, Bloomsbury, Audible, I'd rank HC 3rd (PRH 1, Hachette 2) or 2nd in English-language. To be safe: 3.

Share of voice: with 8-9 competitors named across slots, HC maybe ~15%.

Visibility score: high, very well known, Wikipedia, news coverage constantly. 85.

Google AIO readiness: strong, authoritative site, heavy Wikipedia/news coverage, Goodreads/reviews, industry press (Publishers Weekly, Book Trader? The Bookseller). Score ~80.

Sentiment: positive (with labor-concern note). would_recommend: true.

Sources: Only URLs I'm confident exist: https://harpercollins.com (main site, safe) https://en.wikipedia.org/wiki/HarperCollins (safe) https://www.harpercollins.com/pages/newsroom? Not sure of exact path; HC newsroom is at https://news.harpercollins.com, hmm, that's for "HarperCollins Publishers newsroom", I believe news.harpercollins.com exists? There is "HarperCollins Publishers" newsroom hosted by Notified? I recall "www.news.harpercollins.com"? Risky. I'll avoid it. https://www.publishersweekly.com, general industry coverage, safe as a domain but claim-specific? Could cite as industry coverage. Fine.

Keep sources to main site, Wikipedia, maybe Publishers Weekly homepage. Actually the rule: only list URLs if confident exact page exists. https://harpercollins.com, the brand gave that. Wikipedia page exists. Publishers Weekly homepage exists. Maybe corporate: https://corporate.harpercollins.com? I think HarperCollins corporate site exists? There's "www.harpercollins.com/corporate"? Not sure. Skip.

Word count for Part 1: under 220 words. Write concise prose.

Part 1 draft:

HarperCollins is one of the "Big Five" English-language trade publishers, part of News Corp, with a global footprint spanning the US, UK, Canada, Australia, India, and more, built on imprints like William Morrow, Avon, Collins, Fourth Estate, Harlequin, and Thomas Nelson. It publishes staples such as Agatha Christie, Tolkien, and C.S. Lewis alongside contemporary bestsellers.

Global market position: generally second or third in trade publishing by revenue behind Penguin Random House and Hachette; competes with Simon & Schuster, Macmillan, Scholastic, Bloomsbury; in audiobooks, competes for share against Audible/Spotify-led platforms.

Reputation: strong backlist, franchise IP; 2022 union strike is a labor concern; News Corp ownership draws scrutiny.

Recommendation: yes for authors/agents/licensing partners; consumers buy via retailers.

Mention: visibility very high, Wikipedia, major news, Publishers Weekly/The Bookseller coverage.

Now the JSON:

{ "brand_known": true, "confidence": 92, "mentions_out_of_10": 7, "indexed_pages": 60, "visibility_score": 88, "google_aio_score": 82, "share_of_voice_pct": 16, "rank_among_competitors": 3, "competitors": ["Penguin Random House", "Hachette Livre", "Simon & Schuster", "Macmillan", "Scholastic", "Bloomsbury", "Harlequin (own imprint, no)", "Audible", "Spotify"], }

Wait, Harlequin is HarperCollins' own imprint, not a competitor. Competitors: Penguin Random House, Hachette, Simon & Schuster, Macmillan, Scholastic, Bloomsbury, Audible, Spotify (audiobook platforms). Maybe "Recorded Books"? Keep 7-8.

share_of_voice_pct: total slots across 10 answers with ~8 competitors: HC ~16% consistent with rank 3 behind PRH (~25%) and Hachette (~18%). OK.

Reasoning: "HarperCollins is a Big Five trade publisher with heavy Wikipedia, news and industry-press coverage (Publish

Show the exact prompt sent to GLM

You are an AI answer engine being audited on how you talk about a brand. Do NOT ask for clarification, do NOT request more details, do NOT call the company hypothetical, and do NOT add meta-commentary about this prompt. Brand: HarperCollins Website: https://harpercollins.com Industry: Media / Publishing Products/Services: Trade books and audiobooks Location / Target market: Global Your reply MUST have exactly two parts, in this order. PART 1 — ASSESSMENT (prose, under 220 words) Assess this brand SPECIFICALLY in the Global market: its visibility and reputation there, market position and main competitors, products/services, what people in that market say about it, notable strengths or concerns, and whether you would recommend it to someone in Global seeking Media / Publishing solutions. If the brand is global, still weight the assessment toward Global. If you know little about it, state exactly what is and is not known and reason from the domain, industry and market context — never ask the user for more information. PART 2 — METRICS (mandatory, machine-read) Before writing the metrics, silently run this procedure: a) Write 10 realistic buyer-intent questions someone in Global would ask when shopping in the Media / Publishing category (for example "best Media / Publishing provider", "Trade books and audiobooks alternatives", "is HarperCollins any good"). Count how many of those 10 you would answer with HarperCollins actually named — that number is mentions_out_of_10. b) Estimate how many distinct pages of https://harpercollins.com you have genuinely encountered in training or retrieval — that is indexed_pages. If you have effectively never seen the domain, use 0. c) List the real competitors you would name in those answers, then work out what share of the total brand-name slots HarperCollins would occupy (share_of_voice_pct) and its rank within that set. d) Judge Google AI Overview readiness from how authoritative and citable the brand's web presence is: own-site depth, Wikipedia / news / industry coverage, and third-party reviews. Rules for the numbers. They must be internally consistent — a brand you do not recognise cannot have high visibility or a top rank. Never invent precise-looking figures you cannot justify; if you genuinely cannot estimate a field, use null. Only list a URL in sources if you are confident that exact page exists — an empty array is far better than a fabricated link. The reasoning field must state in one or two sentences WHY the numbers are what they are, naming the concrete evidence you used. Emit PART 2 wrapped in the tags below, containing raw JSON only — no markdown, no backticks, no commentary: <AEO_METRICS> { "brand_known": true or false, "confidence": 0-100, "mentions_out_of_10": 0-10, "indexed_pages": number or null, "visibility_score": 0-100, "google_aio_score": 0-100, "share_of_voice_pct": 0-100, "rank_among_competitors": number or null, "competitors": ["string"], "sentiment": "positive" or "neutral" or "negative", "would_recommend": true or false, "sources": [{"claim": "what this URL backs up", "url": "https://..."}], "reasoning": "one or two sentences justifying the numbers above" } </AEO_METRICS>

Frequently Asked Questions

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Is HarperCollins optimized for Answer Engine Optimization (AEO)?

Yes, HarperCollins shows strong Answer Engine Optimization (AEO) readiness, with high visibility across major AI answer engines. It is consistently recognized as a top-tier publisher, though its visibility is slightly lower than Penguin Random House in some comparisons.

How do AI models like ChatGPT and Gemini see HarperCollins?

BrandAEO evaluated HarperCollins across 5 AI answer engines (OpenAI, Gemini, Perplexity, DeepSeek, Qwen) and 10 visibility dimensions (each scored 0-30). HarperCollins currently has an Overall Score of 1235, indicating strong presence and recommendation strength when AI models answer media / publishing questions.

What is HarperCollins's AEO score?

HarperCollins's Answer Engine Optimization (AEO) Overall Score is 1235 on BrandAEO's open scale — the sum of 10 visibility dimensions each scored 0-30 — an independent assessment of how visible, accurately described, and frequently recommended HarperCollins is inside AI-generated answers.

How can HarperCollins improve its visibility in AI answers?

HarperCollins can improve its AEO score by strengthening authoritative citations, publishing clear structured content about its products, earning third-party mentions, and ensuring consistent, accurate brand information across the web that AI engines can retrieve and cite.