Claude 3.7 Sonnet vs Gemini 3.5 Flash
Compare Claude 3.7 Sonnet by Anthropic against Gemini 3.5 Flash by Google AI, context windows of 200K vs 1.0M, tested across 54 shared challenges. Updated May 2026.
Which is better, Claude 3.7 Sonnet or Gemini 3.5 Flash?
Claude 3.7 Sonnet and Gemini 3.5 Flash are both competitive models. Claude 3.7 Sonnet costs $3/M input tokens vs $1.5/M for Gemini 3.5 Flash. Context windows: 200K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3.7 Sonnet and Gemini 3.5 Flash
Claude 3.7 Sonnet is made by anthropic while Gemini 3.5 Flash is from google. Claude 3.7 Sonnet has a 200K token context window compared to Gemini 3.5 Flash's 1049K. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $1.5/M for Gemini 3.5 Flash.
Per 1M tokens
Gemini 3.5 Flash is cheaper on both — 2.0× input, 1.7× output
No community votes yet. On paper, Gemini 3.5 Flash has the edge — newer, bigger context window.
Style Comparison
Claude 3.7 Sonnet uses 6.3x more hedging
