Anthropic today updated its Sonnet model to version 4.6, and the company says it is the most capable Sonnet model to date with upgrades across coding, computer use, long-context reasoning, agent planning, knowledge work, and design.

Claude Sonnet 4.6 is the default for users who have Free and Pro plans, and it has an updated 1M token context window.

Sonnet 4.6 improves consistency and instruction following for coding, it’s better at computer use tasks, and it can complete office tasks that previously…