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Claude Opus 5.5 API pricing

Compare the published Claude Opus 5.5 (claude-opus-5-5) list rate with corouter's outlet rate, and estimate a monthly token bill. Claude Opus 5.5 is the lower Opus list rate in this catalog, with a cheaper cache read than Opus 5 and a Code tag. Send claude-opus-5-5 when you want that ID specifically.

Anthropic
Claude Opus 5.5
Anthropic
−80%
Model ID
claude-opus-5-5
Context window
1M
Vendor
Anthropic
Modalities
ChatVisionReasoningCode
List pricecorouter
Input / Mtok$4.00$0.800
Cached input / Mtok$0.200$0.040
Output / Mtok$20.00$4.00

Prices in USD per million tokens, verified against official pricing pages on 2026-09-28.

Where this model fits

  • Opus work that should bill the lower Opus 5.5 list rate
  • Coding sessions that need the Opus 5.5 ID and the 1M window
  • Cache-heavy prompts that benefit from the lower cache-read rate

Estimates only. Actual billing depends on your real token counts, cache hit rate, and the prices in effect at request time.

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