Model results

PostTrainBench

Choose a shared evaluation protocol to compare model scores. Versions, sources and configurations stay separate.

Atlas snapshot captured 10/19/2026, 10:20:28 AM UTC. This is an import timestamp, not the evaluation date. Coverage may be incomplete.

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PostTrainBench

Source: PostTrainBench via Epoch AI
Version: v1.1
Measurement date: Not reported
Metric: % · Higher is better
Evaluation scope: Scaffold Claude Code · effort max · result date not supplied

Positions are withheld because at least one result lacks explicit independent provenance or a documented evaluation scope. Missing metadata is shown as unreported; matching imported metadata is not independent verification of the protocol.

Claude Fable 5
anthropic/claude-fable-5
41.8%
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Claude Opus 4.8
anthropic/claude-opus-4-8
32.9%
View modelEvidence aggregated
GLM 5.2
z-ai/glm-5.2-20260616
31.7%
View modelEvidence aggregated