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Evaluation sources

MirrorCode

Epoch AI / Coding · Long-horizon software reproduction

Official evaluation
In NewsReference only
Evidence budgetNot scored
Upstream data as of11/02 22:08
Last synced11/16 02:05

What it measures, and how

The published data covers only a few models and run times are very long; the sample and run conditions are insufficient to form a classification consensus.

How this evidence is used

For reference only; not counted towards overall or category scores.

Results

Under fixed rules, each public model uses one representative configuration. Anonymous test variants are not shown, original leaderboard ranks are kept, and each item lists at most 30.

Rank thereModel thereRaw scoreRepresentative configuration
1claude-sonnet-5-5_maxanthropic97.8%Max reasoning
2claude-opus-5-5_maxAnthropic95.6%Max reasoning
3claude-fable-5-1_maxAnthropic93.3%Max reasoning
4claude-opus-5_maxAnthropic87.8%Max reasoning
6claude-haiku-5-5_max—78.9%Max reasoning
7gpt-6.1-terra_maxOpenAI76.7%Max reasoning
9claude-fable-5_maxAnthropic70.0%Max reasoning
10claude-opus-4-8_maxAnthropic65.6%Max reasoning
11deepseek-v4.1-flash_maxDeepSeek64.4%Max reasoning
13claude-sonnet-5_maxAnthropic63.3%Max reasoning
14gpt-6.1-sol_max—61.1%Max reasoning
15gpt-6-astra_maxOpenAI60.0%Max reasoning
16gemini-4-argon_highGoogle58.9%High reasoning
17grok-4.7_xhighxAI54.4%xHigh reasoning
17kimi-k3_maxMoonshot AI54.4%Max reasoning
17muse-spark-1.3_maxMeta54.4%Max reasoning
20qwen3.8-max_xhighAlibaba52.2%xHigh reasoning
21gpt-6-sol_maxOpenAI48.9%Max reasoning
22qwen3.8-max-0902_xhighAlibaba47.8%xHigh reasoning
24muse-wonder-1.0_max—45.6%Max reasoning
25claude-opus-4-7_maxAnthropic43.3%Max reasoning
26grok-4.6_xhighxAI41.1%xHigh reasoning
26gpt-5.6-terra_maxOpenAI41.1%Max reasoning
26gemini-3.7-flash_highGoogle41.1%High reasoning
29mistral-large-4-0_highMistral AI40.0%High reasoning
30gemini-3.8-flash_highGoogle38.9%High reasoning
31glm-5.2_maxZ.ai36.7%Max reasoning
32claude-opus-4-6_maxAnthropic33.3%Max reasoning
32deepseek-v4-pro-0813_maxDeepSeek33.3%Max reasoning
34grok-4.5_highxAI32.2%High reasoning
Limits and data attribution

For reference only; not counted towards overall or category scores.

Data licence: CC BY 4.0 · Epoch AI's own evaluation data

Scores published by Epoch AI. Raw scores and the News consensus score use different scales and cannot be added directly.