Anthropic has introduced Claude Sonnet 5, a more capable option for developers building autonomous "agent" systems that can plan multi-step workflows, use tools, and execute tasks with limited human input.
Sonnet 5 is designed to operate more independently than prior Sonnet versions, including the ability to interact with tools such as web browsers and terminals to complete longer, more complex task chains, the company said in a blog post.
The model is rolling out across its product suite, where it will serve as the default for Free and Pro users. It will also be available to Max, Team and Enterprise customers, as well as through Claude Code and the Claude Platform API under the name claude-sonnet-5.
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