Moonshot’s Kimi K3 reaches #5 on MathArena as the top open model
xeophon · x · 2026-07-22
- Kimi K3 and Muse Spark 1.1 were added to the MathArena leaderboard.
- Kimi K3 is now shown as the strongest open model at #5, behind GPT-5.6, GPT-5.5, and Fable.
- The screenshot lists Kimi K3 (Think) as an open-weights model by Moonshot AI, with benchmark breakdowns across several competitions.
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