Anthropic unveils new AI model that runs autonomously for 30 hours
Anthropic unveiled its latest AI model, Claude Sonnet 4.5, which "excels" at programming and fulfilling real-world business requirements. The model can run autonomously for 30 hours, with the ability to maintain focus on complex, multistep tasks throughout that period. The model will be available to all users through Claude API and chatbot at $3/million input tokens and $15/million output tokens.