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Model · OpenRouter

Anthropic/Claude Sonnet 5.5

Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...

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Author / organizationAnthropic
AccessHosted API (no weights listed here)
Price per million tokens$2 in · $10 out
Context window1,000,000 tokens
Taskimage-text-to-text
Created28 September 2026
Last updated at source—
image-text-to-texthostedreasoningtool-use
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Price and speed history

USD per million tokens

02.557.51010-1510-1610-1710-18Input · 10-15: 2Input · 10-16: 2Input · 10-17: 2Input · 10-18: 2Output · 10-15: 10Output · 10-16: 10Output · 10-17: 10Output · 10-18: 10
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Silytics shows public metadata from OpenRouter and links to the original. Information may be incomplete or out of date. Last refreshed 18 October 2026. Licenses and terms of the original apply to the work itself. Not financial, legal or professional advice.