Kimi-K3 Preliminary ECI Slightly Exceeds Opus 4.6

scaling01 · x · 2026-07-19

Kimi-K3's preliminary ECI is 155.53, with 90% confidence interval 153.87–158.21.

These results are placed in a multi-model leaderboard in the chart. The author notes it slightly exceeds Opus 4.6 (155.31) and GPT-5.3-Codex (155.36).

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