Grok 3 Mini Beta vs Kimi K2 Thinking

Compare Grok 3 Mini Beta by xAI against Kimi K2 Thinking by Moonshot AI, context windows of 131K vs 262K, tested across 7 shared challenges. Updated March 2026.

Our VerdictToo close to call
Kimi K2 ThinkingKimi K2 Thinking

No community votes yet. On paper, Kimi K2 Thinking has the edge — bigger model tier, newer, bigger context window.

Grok 3 Mini Beta is 3.1x cheaper per token — worth considering if cost matters.

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