STEMBench120 - Physics: leaderboard

STEMBench120 - Physics. v1.0.0; 120 tasks across six STEM domains; Codex tool runs distinct from closed-book rows; correctness-adjusted research progress, not answer accuracy. Reported metric: Research progress (0–4). Primary published table, with source configuration boundaries preserved.

Metric: Research progress (0–4). Source: www.ulam.ai. Saturation forecast: Around May 2027. 10 models tracked.

Top models

#ModelScoreOverall rank
1GPT-6 Astra (xHigh)3.03#5 (GPT-6 Astra)
2GPT-6.1 Sol2.99#8
3Claude Opus 5.52.81#3
4Muse Wonder2.71#16
5Hy4 preview2.52#39
6Mistral Large 42.43#98
7DeepSeek V4.1 Flash2.2#36
8Gemini 4 Argon2.08#7
9MiMo-V2.6-Pro0.98#37

No result here: #9 Claude Fable 5.1, #10 Claude Sonnet 5.5.

Interactive version: theaggregate.ai/benchmark?slug=stembench120-physics · How It Works · Data refreshed daily, snapshot 2026-10-16.