xAI: Grok 4 vs Kimi K2.5

Compare xAI: Grok 4 by xAI against Kimi K2.5 by Moonshot AI, in 9 community votes, kimi k2.5 wins 63% of head-to-head duels, context windows of 256K vs 262K, tested across 37 shared challenges. Updated February 2026.

In 9 community votes, Kimi K2.5 wins 63% of head-to-head duels. Kimi K2.5 leads in Web Design. Based on blind community voting from the RIVAL open dataset of 9+ human preference judgments for this pair.