anthropic-sdk-python v1.15.0: add speed, between_tools, read-only spend cap
Release v1.15.0 adds a speed parameter and usage.speed to Messages, adds between_tools to model thinking types, and returns a Console organization's usage-tier spend cap as a read-only limit; docs, tests and CI tweaks included.
What changed
Added between_tools to thinking types in model capabilities; added speed parameter and usage.speed to Messages; return Console organization's usage-tier spend cap as a read-only spend limit; docs, tests, CI and internal tooling updates.
Why it matters
Developers can set and read message speed and use between_tools when checking model capabilities; Console organizations can read their usage-tier spend cap to view spend limits and billing visibility.
Who should care
DevelopersEnterprisesResearchers
Worth trying
Maybe — Depends on model access; some models need a beta header to use speed