CiteCheck (Few-Shot, Web Search): leaderboard
Metric: Macro-F1 (%; three-way classification of a physics citation as exact, minor hallucination (corrupted metadata) or major hallucination (fabricated), 792-citation held-out test split; LLM prompted directly with the shared rubric, temperature 0, 27 labelled validation examples, web search tool enabled). Source: arxiv.org. Saturation forecast: Around December 2026. 3 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Sonnet 4.6 | 82.9 |
| 2 | Gemini 2.5 Flash | 79.3 |
| 3 | GPT-5.4 | 77.4 |
Interactive version: theaggregate.ai/benchmark?slug=citecheck-few-shot-web-search · How It Works · Data refreshed daily, snapshot 2026-09-26.