ModelRadar
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Claude Sonnet 5.5

Anthropic🇺🇸 USFrontier· Sep 28, 2026

TextReasoningVisionAPI

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...

Provider description (OpenRouter)

Context
1M tokens
Price / 1M tok
$2 in · $10 out
Modalities
text, image, document → text

1 variant

Standard1M$2/$10OR

Sources

OpenRouter

Provenance

Detected
Sep 28, 2026
First source
openrouter
Description
Provider description (OpenRouter)
Editorially reviewed
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