Claude Sonnet 4.5 vs Gemini 2.5 Pro Preview 06-05
Compare Claude Sonnet 4.5 by Anthropic against Gemini 2.5 Pro Preview 06-05 by Google AI, in 22 community votes, claude sonnet 4.5 wins 67% of head-to-head duels, context windows of 200K vs 1.0M, tested across 38 shared challenges. Updated May 2026.
Which is better, Claude Sonnet 4.5 or Gemini 2.5 Pro Preview 06-05?
Claude Sonnet 4.5 is the better choice overall, winning 67% of 22 blind community votes on Rival. Claude Sonnet 4.5 costs $3/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Context windows: 200K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 4.5 and Gemini 2.5 Pro Preview 06-05
Claude Sonnet 4.5 is made by anthropic while Gemini 2.5 Pro Preview 06-05 is from google. Claude Sonnet 4.5 has a 200K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, Claude Sonnet 4.5 costs $3/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. In community voting, In 22 community votes, Claude Sonnet 4.5 wins 67% of head-to-head duels.
In 22 community votes, Claude Sonnet 4.5 wins 67% of head-to-head duels. Claude Sonnet 4.5 leads in Web Design, Image Generation, Conversation, while Gemini 2.5 Pro Preview 06-05 leads in Analysis. Based on blind community voting from the Rival open dataset of 22+ human preference judgments for this pair.
Per 1M tokens
Gemini 2.5 Pro Preview 06-05 is cheaper on both — 2.4× input, 1.5× output
Pick Claude Sonnet 4.5. In 22 blind votes, Claude Sonnet 4.5 wins 67% of the time. That's not luck.
Pick Claude Sonnet 4.5 for Reasoning, Web Design, Conversation. Pick Gemini 2.5 Pro Preview 06-05 for Analysis.
Style Comparison
Claude Sonnet 4.5 uses 45.2x more emoji
