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Claude Sonnet 3.6 (2022-10-22) vs Kimi K2 Thinking

Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against Kimi K2 Thinking by Moonshot AI, context windows of 200K vs 262K, tested across 29 shared challenges. Updated March 2026.

Which is better, Claude Sonnet 3.6 (2022-10-22) or Kimi K2 Thinking?

Claude Sonnet 3.6 (2022-10-22) and Kimi K2 Thinking are both competitive models. Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $0.6/M for Kimi K2 Thinking. Context windows: 200K vs 262K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Sonnet 3.6 (2022-10-22) and Kimi K2 Thinking

Claude Sonnet 3.6 (2022-10-22) is made by anthropic while Kimi K2 Thinking is from moonshotai. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window compared to Kimi K2 Thinking's 262K. On pricing, Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $0.6/M for Kimi K2 Thinking.

Our Verdict
Kimi K2 Thinking
Kimi K2 Thinking
Claude Sonnet 3.6 (2022-10-22)
Claude Sonnet 3.6 (2022-10-22)Runner-up

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

Kimi K2 Thinking is 6.0x cheaper per token — worth considering if cost matters.

Too close to call
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Claude Sonnet 3.6 (2022-10-22)Kimi K2 Thinking
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