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Model launch

Anthropic releases Claude Sonnet 4.5 (batch)

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...

Type
MODEL_LAUNCH
Detection
listing
Confidence
medium
Status

Primary source

OpenRouter models API · openrouter.ai/anthropic/claude-sonnet-4.5: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.