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Anthropic model dossier

Claude Opus 5

Anthropic's model for complex agentic coding and enterprise work, documented with a 1M-token context window and 128k maximum output tokens on the synchronous Messages API.

API model IDclaude-opus-5

Status
active
Provider
Anthropic
Last verified
Sources
2 cited

01 · Record

Verified facts

Each field preserves the state found in the evidence. A missing disclosure never becomes a guessed value.

API model ID
claude-opus-5
Context window
1,000,000 tokens
Max output
128,000 tokens
Training data cutoff
Released
Unknown — not verified
Documented capabilities
  • Text input
  • Image input
  • Text output
  • Tool use
  • Reasoning mode

02 · Commercial terms

Pricing

Published list pricing in USD. Normalised values are derived from the recorded amount and billing basis, not separately sourced figures.

Published pricing for Claude Opus 5
Price classPublished basisUSD / 1M tokensVerified
Input$5.00 per 1,000,000 tokens$5.00
Output$25.00 per 1,000,000 tokens$25.00
Cached input$0.50 per 1,000,000 tokens$0.50
Batch input$2.50 per 1,000,000 tokens$2.50
Batch output$12.50 per 1,000,000 tokens$12.50

03 · Publisher

Provider

Documented organisation

Anthropic

AI research company that develops the Claude family of large language models and describes itself as a public benefit corporation focused on AI safety.

Sources

The factual claims on this page are backed by the following sources.

  1. Models overviewAnthropic · accessed August 19, 2026
    Primary source
  2. PricingAnthropic · accessed August 19, 2026
    Primary source