Kimi K2.6 is the new #1 open-weight model on our Vals Index! It places #7 among all models at 63.9% accuracy. Here are the key takeaways:

• The model is a substantial jump over its predecessor Kimi K2.5 (59.6%), and narrowly edges out GLM 5.1 (63.2%) to take the top open-weight spot.
• Coding is the model’s strongest domain: it places #4 overall on SWE-bench Verified (74.5%) and #7 on Terminal-Bench 2.0 (57.3%), leading all open-weight models on both.
• It also performs well on Corp Fin (v2), placing #6 at 68.2%.
• Its weaker showings are on Finance Agent (#19, 57.8%) and Case Law (v2) (#19, 61.2%), where it trails the top closed-weight models by a larger margin.

We ran all benchmarks via the native Moonshot AI provider with a temperature of 1.