Kimi K2.6 becomes the #1 open model on MathArena!

Kimi K2.6 achieved the top ranking on MathArena, a benchmark for evaluating mathematical problem-solving capabilities in open-source language models. This announcement highlights the model's superior performance in mathematical reasoning tasks compared to other publicly available models. The achievement represents a significant milestone for Moonshot's Kimi model family in the competitive landscape of open-source AI systems.

Source: Kimi/Moonshot (X) | 2026-04-23