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Claude Opus 5

Complex agentic coding and enterprise work at half the cost of Fable 5.

currentAnthropic ↗Verified 2026-08-13

$5

per M input

Specifications

Context1Msource · as of 2026-08-13
Input ($/Mtok)$5source · as of 2026-08-13
Output ($/Mtok)$25source · as of 2026-08-13
LicenceProprietarysource · as of 2026-08-13
Max output128Ksource · as of 2026-08-13
Released24 Jul 2026
Model IDclaude-opus-5source · as of 2026-08-13

Official links

Claude Opus 5 model pageAnthropic official site

What matters

  • 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.

Compare with

All 5 side by side →

Claude Opus 5 vs Claude Fable 5 →Claude Opus 5 vs GPT-5.6 Sol →Claude Opus 5 vs Gemini 3.1 Pro →Claude Opus 5 vs Claude Sonnet 5 →Claude Opus 5 vs Grok 4.6 →

Also in Language Models

Claude Fable 5 · AnthropicGPT-5.6 Sol · OpenAIGemini 3.1 Pro · GoogleClaude Sonnet 5 · AnthropicGrok 4.6 · xAI