Claude Opus 4.1

Anthropic's most powerful model yet and the state-of-the-art coding model. Claude Opus 4.1 delivers sustained performance on long-running tasks that require focused effort and thousands of steps, significantly expanding what AI agents can solve.

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Model ID claude-opus-4-1@20250805
Launch stage GA
Supported inputs & outputs
  • Inputs:
    Text, Code, Images
  • Outputs:
    Text
Token limits
  • Maximum input tokens: 200,000
  • Maximum output tokens: 32,000
Capabilities
Usage types
Technical specifications
Images
  • Limitation and specifications: See Vision in Anthropic's documentation
Documents
  • Limitation and specifications: See PDF support in Anthropic's documentation
Versions
  • claude-opus-4-1@20250805
    • Launch stage: Generally available
    • Release date: August 5, 2025
Supported regions

Model availability

(Includes fixed quota & Provisioned Throughput)
  • United States
    • us-east5
  • Global
    • global endpoint

ML processing
  • United States
    • Multi-region
Quota limits

us-east5:

global endpoint:

Pricing See Pricing.