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Model launch

Anthropic releases Claude Sonnet 5 (batch)

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, m

Type
MODEL_LAUNCH
Detection
listing
Confidence
medium
Status

Primary source

OpenRouter models API · openrouter.ai/anthropic/claude-sonnet-5:batch ↗

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.