Kimi K3 Tops Open-Weight Models on ARC-AGI, Rivals Claude Opus

mhmazur · x · 2026-08-01

The Kimi K3 model has achieved outstanding benchmark scores on ARC-AGI, living up to its reputation as an open frontier model.

According to verified data from ARC Prize:

It is now the highest-scoring open-weight model evaluated on both benchmarks, with its ARC-AGI-2 performance comparable to Claude Opus (low), which was released two months ago.

Related event: Kimi K3 Tops Open-Source ARC-AGI-2 Leaderboard, Rivaling Closed-Source Models(3 posts)→

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