B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
332
332 -- average answer word count for ChatGPT/Perplexity API responses (2026)
Surfer found that API responses from ChatGPT and Perplexity averaged around 332 words.
Attribution:
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Lighthouse Research Team
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Source verified
Evidence graded
Value
332
Unit
Count
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Surfer
Primary
Tier B
https://www.ayomidejoseph.com/blog/ai-search-visibility ↗
Source Article
The Measurement Problem: Why There Is Still No Standard Way to Measure AI Search Visibility
Original Research
Surfer
· Original study ↗
Methodology
Surfer comparison of API vs scraped interface answers
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ChatGPT/Perplexity API responses: 332 average answer word count. Source: Surfer (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/surfer-api-word-count-332
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<blockquote cite="https://lighthousedata.io/data/surfer-api-word-count-332" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>332</strong> -- average answer word count for ChatGPT/Perplexity API responses<br><small>Source: Surfer (2026) · <a href="https://lighthousedata.io/data/surfer-api-word-count-332" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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