ThReadMed-QA - Turn 2: leaderboard

Metric: Mean GPT-4o judge rubric score (0 = wrong, 50 = partially correct, 100 = correct against the verified physician answer) on ThReadMed-QA's stratified test split of 238 r/AskDocs conversations (948 follow-up QA pairs), the model answering each patient turn with its own earlier answers in context; zero-shot, temperature 0 (GPT-5 at 1), on the second follow-up turn (238 turns); higher is better. Source: arxiv.org. Saturation forecast: Around February 2027. 5 models tracked.

Top models

#ModelScoreOverall rank
1GPT-559#91
2GPT-4o50.2#333
3Claude Haiku 4.547.3#271
4Gemini 2.5 Flash42.6#237
5Llama 3.3 70B Instruct40.1#520

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=threadmed-qa-turn-2 · How It Works · Data refreshed daily, snapshot 2026-10-11.