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Compare AI models

Claude Opus 4.8vsGemini 3.5 Flash

Which should you pick?

  • Claude Opus 4.8 · overall 58.3 vs 25.3
  • Gemini 3.5 Flash cheaper output · $13.46 vs $32.50 /1M
  • Gemini 3.5 Flash longer context · 1.0M tokens vs 1.0M tokens

Specifications

 Claude Opus 4.8Gemini 3.5 Flash
TierAA
Context window1.0M tokens1.0M tokens
Input price (per 1M tokens)$6.50$2.25
Output price (per 1M tokens)$32.50$13.46
ProvenanceRuns in:USMade in:United StatesRuns in:USMade in:United States

Quality by category

Win rate per category: how often each model beats a field-average model on a prompt from that category. 50% is average. It is not a percentage of correct answers.

CategoryClaude Opus 4.8Gemini 3.5 Flash
coding47.9%8.7%
creative43.9%48.4%
factual71.5%43.4%
multilingual57.8%25.4%
reasoning66.6%10.2%

Anthropic

Full review of Claude Opus 4.8

Google Gemini

Full review of Gemini 3.5 Flash

Other comparisons