Cited but Not Verified: leaderboard

Large language models (LLMs) power deep research agents that synthesize information from hundreds of web sources into cited reports, yet these citations cannot be reliably verified. Current approaches either trust models to self-cite accurately, risking bias, or employ retrieval-augmented generation (RAG) that does not validate source accessibility, relevance, or factual consistency. We introduce

Metric: Relevant Content (self-reported). Source: benchmarklist.com. Saturation forecast: Around July 2027. 14 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 4.595.7#83
2GPT-5.493.7#79
3GPT-5.292.3#110
4Claude Haiku 4.591.1#280
5Claude Sonnet 4.689.8#90
6Claude Sonnet 4.588.3#142
7GPT-5 Mini87.4#186
8Claude Opus 4.683.9#63
9Gemini 3 Flash82.9#99
10Gemini 3.1 Pro (Preview)80.7#58
11GPT-OSS-120B68.7#341
12Llama 4 Maverick60.6#464

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=cited-but-not-verified · How It Works · Data refreshed daily, snapshot 2026-10-20.