Anthropic says its new AI model “maintained focus” for 30 hours on multistep tasks

Claude 4.5 is available everywhere today. Through the API, the model maintains the same pricing as Claude Sonnet 4, at $3 per million input tokens and $15 per million output tokens. Developers can access it through the Claude API using “claude-sonnet-4-5” as the model identifier.

Other new features

Some ancillary features of the Claude family got some upgrades today, too. For example, Anthropic added code execution and file creation directly within conversations for users of…