Kimi-K3 Preliminary ECI Evaluation Score Leaks

scaling01 · x · 2026-07-19

Kimi-K3 achieved a preliminary ECI (Effective Coding Intelligence) score of 155.53 (90% confidence interval: 153.87–158.21). This score slightly edges out Opus 4.6 (155.31) and GPT-5.3-Codex (155.36). Since this is still preliminary data, the original author notes that the confidence interval should reflect this uncertainty.

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