Pyyan / Compare / Claude Opus 5 vs Gemini 3.1 Pro

Claude Opus 5 vs Gemini 3.1 Pro

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Language Models · verified 13 Aug 2026

Claude Opus 5Anthropiccurrent
Gemini 3.1 ProGooglecurrent
3 slots left
SpecificationClaude Opus 5Gemini 3.1 Pro
SummaryComplex agentic coding and enterprise work at half the cost of Fable 5.Best for very large multimodal context.
Context1M1M
Input ($/Mtok)$5
Output ($/Mtok)$25
LicenceProprietaryProprietary
Max output128K
Released24 Jul 2026
Model IDclaude-opus-5
CategoryLanguage ModelsLanguage Models
OfficialAnthropicGoogle

Highlighted rows are where these differ.

Claude Opus 5

  • Thinking on by default — a step change over Opus 4.8
  • 512-token prompt-cache minimum, down from 1024
  • Separate rate-limit bucket from the Opus 4.x pool

Best for agentic coding.

Full spec sheet →

Gemini 3.1 Pro

  • Reads an hour of video in one pass
  • Strongest multimodal grounding

Best for long documents.

Full spec sheet →