Claude 4.5 Sonnet

Anthropic

This is the non-reasoning variant of Anthropic's Claude 4.5 Sonnet model. It is optimized for high-speed, cost-effective responses while maintaining strong performance in coding, instruction following, and general knowledge tasks. It is suitable for applications requiring quick, high-quality outputs without extended chain-of-thought reasoning.

Anthropic

Claude 4.5 Sonnet (Reasoning) is a model optimized for complex reasoning tasks. It utilizes an extended thinking chain to break down and solve multi-step problems, excelling in analysis, planning, and logical deduction.