Anthropic launches Claude Sonnet 4.5; calls it ‘best coding model in the world’
Anthropic has launched Claude Sonnet 4.5, hailed as the world's best coding model with significant improvements in reasoning and math. This update brings enhanced features across Claude Code, API, and apps, alongside a new Agent SDK for developers. The model leads benchmarks in software coding and computer use tasks, and is now available at the same price as Sonnet 4.
Anthropic has launched Claude Sonnet 4.5, hailed as the world's best coding model with significant improvements in reasoning and math. This update brings enhanced features across Claude Code, API, and apps, alongside a new Agent SDK for developers. The model leads benchmarks in software coding and computer use tasks, and is now available at the same price as Sonnet 4.
