Claude 3.7 Sonnet vs Kimi K2 Thinking
Compare Claude 3.7 Sonnet by Anthropic against Kimi K2 Thinking by Moonshot AI, context windows of 200K vs 262K, tested across 54 shared challenges. Updated May 2026.
Which is better, Claude 3.7 Sonnet or Kimi K2 Thinking?
Claude 3.7 Sonnet and Kimi K2 Thinking are both competitive models. Claude 3.7 Sonnet 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 3.7 Sonnet and Kimi K2 Thinking
Claude 3.7 Sonnet is made by anthropic while Kimi K2 Thinking is from moonshotai. Claude 3.7 Sonnet has a 200K token context window compared to Kimi K2 Thinking's 262K. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $0.6/M for Kimi K2 Thinking.
Per 1M tokens
Kimi K2 Thinking is cheaper on both — 5.0× input, 6.0× output
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.
Style Comparison
Kimi K2 Thinking uses 4.8x more bold
