anthropics/anthropic-sdk-python: v1.11.0
1.11.0 (2026-09-30) Full Changelog: v1.10.0...v1.11.0 Features api: add list spend limits endpoint ( e8f0cac ) Chores client: deprecate sonnet 4.5 ( 22b36b1 )
The thing to notice is anthropics/anthropic-sdk-python; decide whether it changes your next build. For builders, an open release means inspectable, self-hostable code instead of a closed hosted demo.