B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

81.3%

81.3% -- attribution rate for Claude Opus 4.7 (2026)

Name: Attribution Rate Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-29

2026 · n=47,800 · Algoholic

Claude Opus 4.7 achieved an attribution rate of 81.3% across evaluated citation probe runs.

Excludes probe runs where the target claim did not appear (no-shows)
Evaluated on topic-level prompts rather than document-level queries

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Attribution: Algoholic View source

Lighthouse Research Team

Last verified: 2026-09-29 · How we verify data →

Source verified Evidence graded

Value

81.3%

Unit

Percentage

Data Vintage

2026

Entity

Claude Opus 4.7

Sample Size

47,800

Geography

Global

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Algoholic Primary Tier B

https://algoholic.com/research/taxonomy-llm-citation-behavior/ ↗

Confidence: 53/100 Vintage: 2026 Channel: Common Crawl

Source Article

A taxonomy of LLM citation behavior across 14 frontier models.

Original Research

Algoholic · Original study ↗

Methodology

14-model citation audit

Methodology documented

Segmentation

IndustryAI & Machine Learning RegionGlobal RoleAll marketers Channelmulti-channel

Cite this stat

Plain Text

Claude Opus 4.7: 81.3% attribution rate. Source: Algoholic (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/claude-opus-47-attribution-2026

HTML Embed

<blockquote cite="https://lighthousedata.io/data/claude-opus-47-attribution-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>81.3%</strong> -- attribution rate for Claude Opus 4.7<br><small>Source: Algoholic (2026) · <a href="https://lighthousedata.io/data/claude-opus-47-attribution-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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