Atlas

Benchmarks

Science's Last Exam: Experiment Observation

Sciences Last Exam

Whether an agent can read experimental visuals and tell observed facts from inferences, scored as the share of 30 tasks with every requested field correct.

Models
6
Top score
40.0
Leader
GPT-6.1 Sol
Updated
Nov 4, 2026
Resolution
—
Saturation
—

No signal or difficulty estimate. Too few models have been measured on this benchmark to estimate its difficulty.

6 dated models · 3 frontier modelsClosed weightsOpen weights
Data: AItonomyatlas.village.dev
#ModelSettingScoreSource
1GPT-6.1 Solmedium · Science's Last Exam; Codex with web search and fetch off; DiscoveryRSI for Hypothesis Discovery
40.0
2Claude Opus 5high · Science's Last Exam; Claude Code with web search and fetch off; DiscoveryRSI for Hypothesis Discovery
26.7
3Kimi K3.1 Pronot reported · Science's Last Exam; Claude Code with web search and fetch off; DiscoveryRSI for Hypothesis Discovery
23.3
4MiMo-V2.6-Pronot reported · Science's Last Exam; Claude Code with web search and fetch off; DiscoveryRSI for Hypothesis Discovery
10.0
5GLM-5.3 Flashhigh · Science's Last Exam; Claude Code with web search and fetch off; DiscoveryRSI for Hypothesis Discovery
6.7
6MiniMax M3high · Science's Last Exam; Claude Code with web search and fetch off; DiscoveryRSI for Hypothesis Discovery
3.3
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