Developers are getting a huge boost from the larger 1 million token context window. Early testers of Claude Code reported that Sonnet 4.6 is capable of reading context before modifying code, ...
Anthropic has released a new version of its mid-size Sonnet model, keeping pace with the company's four-month update cycle.
Anthropic has launched Claude Sonnet 4.6 as new default for claude.ai users, achieving 79.6% on SWE-bench with flagship-level performance at Sonnet pricing.