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Evaluation sources

EBR-bench

Epoch AI / Professional work · Learn new rules and use memory during long tasks

Official evaluation
In NewsReference only
Evidence budgetNot scored
Upstream data as of11/06 09:40
Last synced11/16 02:05

What it measures, and how

The public aggregate mixes memory-compression configurations; it is for reference only until comparable scores under a fixed configuration are obtained.

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-fable-5-2_maxAnthropic90.5%Max reasoning
2gemini-4-carbon_highgoogle87.6%High reasoning
3gpt-6.1-terra_maxOpenAI78.1%Max reasoning
4gpt-6-astra_maxOpenAI76.2%Max reasoning
5claude-opus-5-5_maxAnthropic71.4%Max reasoning
6gemini-4-argon_highGoogle64.8%High reasoning
7claude-fable-5-1_maxAnthropic57.1%Max reasoning
8gpt-6.1-sol_max—54.3%Max reasoning
9gpt-6-sol_maxOpenAI53.3%Max reasoning
10claude-opus-5_maxAnthropic45.7%Max reasoning
11gpt-5.6-sol_maxOpenAI44.8%Max reasoning
12claude-haiku-5-5_max—43.8%Max reasoning
13claude-fable-5_maxAnthropic39.5%Max reasoning
14gpt-5.5_xhighOpenAI34.3%xHigh reasoning
15muse-wonder-1.0_max—31.4%Max reasoning
16grok-4.6_xhighxAI30.5%xHigh reasoning
17claude-opus-4-8_maxAnthropic28.6%Max reasoning
18gpt-5.4-2026-03-05_xhighOpenAI25.4%xHigh reasoning
19gpt-5.2-2025-12-11_xhighOpenAI23.0%xHigh reasoning
20claude-opus-4-7_maxAnthropic19.0%Max reasoning
21mistral-large-4-0-oss_highMistral AI18.1%High reasoning
22gemini-3.1-pro-previewGoogle14.3%Source default configuration
22claude-opus-4-5-20251101_128KAnthropic14.3%Source default configuration · 128k
24gpt-5-2025-08-07_highOpenAI12.7%High reasoning
24claude-opus-4-6_maxAnthropic12.7%Max reasoning
26qwen3.7-maxAlibaba9.5%Source default configuration
26glm-5.2_maxZ.ai9.5%Max reasoning
28claude-opus-4-1-20250805Anthropic7.9%Source default configuration
29gemini-3.5-flash_highGoogle4.8%High reasoning
30kimi-k2.6Moonshot AI2.4%Source default configuration
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.