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Model launch

Anthropic releases 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...

Type
MODEL_LAUNCH
Detection
listing
Confidence
medium
Status
Related entities
ModelClaude Sonnet 5.5CompanyAnthropic

Primary source

OpenRouter models API · openrouter.ai/anthropic/claude-sonnet-5.5 ↗

Structured listing of 400+ hosted models: prices per token, context length, modalities, supported parameters and listing date. Prices are OpenRouter's listed prices, which usually mirror first-party pricing but can differ.

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