AI Model Releases

Opus 5 is a step change improvement for the Opus tier powering long-running agents while delivering improvements in coding and professional work.

Sonnet 5 delivers frontier performance across coding, agents, and professional work at scale.

An upgrade to our Opus class of models, with stronger performance across coding, agentic tasks, and professional work, and the consistency to handle long-running work.

Our latest Opus model brings stronger performance across coding, agents, vision, and multi-step tasks, with greater thoroughness and consistency on the work that matters most.

Sonnet 4.6 delivers frontier performance across coding, agents, and professional work at scale.\\n

We’re upgrading our smartest model. Across agentic coding, computer use, tool use, search, and finance, Opus 4.6 is an industry-leading model, often by wide margin.

The best model in the world for coding, agents, and computer use, with meaningful improvements to everyday tasks like slides and spreadsheets. Claude Opus 4.5 delivers frontier performance and dramatically improved token efficiency.

Claude Haiku 4.5 matches state-of-the-art coding capabilities from months ago while delivering unprecedented speed and cost-efficiency for complex tasks.

Claude Sonnet 4.5 sets new benchmark records in coding, reasoning, and computer use while being Anthropic's most aligned model, accompanied by the release of the Claude Agent SDK for building capable agents

Our most powerful model for handling complex agent and coding tasks