AnalysisAI ModelsAugust 22, 2026

Prime Intellect benchmarks 18 frontier models on nanoGPT optimizer

The study evaluated 153 autonomous runs across 18 models, with Fable achieving the top validated result of 2,726. The benchmark measured performance on the nanoGPT optimizer speedrun, with Claude-code, Codex, and Kimi-code agents used for execution.

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