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Claude Opus 5.5

AI/ML API

Claude Opus 5.5 by AI/ML API costs $5.20 per 1M input tokens and $26.00 per 1M output tokens, with a 1M-token context window.

Pricing

Input (per 1M tokens)
$5.20
Output (per 1M tokens)
$26.00
Cached input (per 1M)
$0.26

Specifications

Provider
AI/ML API
Context window
1M tokens
Parameters
—
Released
Sep 2026
Open weights
No
Frontier model
No

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FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.