Our most capable Sonnet model yet

Claude Sonnet 4.6 is a full upgrade across coding, computer use, long-context reasoning, agent planning, knowledge work, and design. The model also features a 1M token context window in beta. For those on our Free and Pro plans, Claude Sonnet 4.6 is now the default model in claude.ai and Claude Cowork. Read more: anthropic.com/news/claude-sonnet-4-6