Sophon

Catalog of AI evals, the tools that lift them, and the labs behind them. Press ⌘K to search.

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Top models on Artificial Analysis - Intelligence Index

Artificial Analysis - Intelligence IndexBar chart with 20 bars. Highest value: Claude Fable 5.1 at 65.7.

20 models

Leaderboards

Current standings across rating systems

Arena - TextLMArena

#1 Claude Opus 5 · 1504

Arena - Text Style ControlLMArena

#1 Claude Fable 5 · 1507

Arena Hard PromptsLMArena

#1 Claude Opus 4.6 · 1527

LMArena - Instruction FollowingLMArena

#1 Claude Opus 4.6 · 1523

LMArena - Writing and LiteratureLMArena

#1 Claude Fable 5 · 1506

LMArena - Creative WritingLMArena

#1 Claude Opus 4.6 · 1504

What lifts scores most

Tools with the most known eval-lift evidence

Vf Openbench (Aarush)lifts 10 Mini SWE Agent Bench (Prime Community)Prime Communitylifts 6 BrowserGymServiceNow Researchlifts 5 OpenThoughtsOpen Thoughtslifts 4 Tülu 3 SFT MixtureAllen Institute for AI (Ai2)lifts 4 WizardLM Evol-InstructMicrosoftlifts 4

Browse by capability

Pick a capability to rank the tools that train toward it

planning29 factual recall19 tool calling18 instruction following17 math12 code generation10 llm judging9 scientific reasoning9 safety8 code editing7

Closest to saturation

Benchmarks where the top score approaches the ceiling

Mostly Basic Python Problems (MBPP)15 models

100.0%MATH-500190 models

99.4%τ²-bench (Tau²-bench)321 models

99.1%AIME 2025: Problems from the American Invitational Mathematics Examination205 models

99.0%AIME 2024: Problems from the American Invitational Mathematics Examination169 models

96.7%LiveBench - Math59 models

96.3%GPQA Diamond501 models

95.3%GPQA (Full Set)10 models