Science

GPQA Diamond

Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better.

Rankings

Higher is better

GPQA Diamond — frequently asked questions

What is GPQA Diamond?
Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better.
Which AI model scores highest on GPQA Diamond?
GPT-5.4-Pro by OpenAI holds the best GPQA Diamond result among tracked models, at 94.4% (released Mar 5 2026). Higher scores are better on this benchmark.
What are the top 5 models on GPQA Diamond?
1. GPT-5.4-Pro (OpenAI) — 94.4%; 2. Gemini 3.1 Pro (Google) — 94.3%; 3. Claude Opus 4.7 (Anthropic) — 94.2%; 4. GPT-5.5 (OpenAI) — 93.6%; 5. Kimi K3 (Moonshot AI) — 93.5%.
How many models have a published GPQA Diamond score?
46 tracked models have a published GPQA Diamond score. Scores are the figures reported by each lab at that model's release, so this page is a record of results over time rather than a re-run leaderboard.
What is the best open model on GPQA Diamond?
Qwen3.5 by Qwen is the highest-ranked model with downloadable weights on GPQA Diamond, scoring 88.4% at rank 17 overall.
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