Anthropic Python SDK

Timeline

1. Oct 15, 2026 · API / SDK change · 1 source
   anthropics/anthropic-sdk-python v1.15.0
   api: add the speed parameter and usage.speed to Messages
2. Oct 14, 2026 · Open-source release · 1 source
   anthropics/anthropic-sdk-python v1.14.0
   api: add executionidentity to Managed Agents agents
3. Oct 9, 2026 · Open-source release · 1 source
   anthropics/anthropic-sdk-python v1.13.0
   api: add types for the Chat and Cowork unified analytics metrics
4. Oct 8, 2026 · Open-source release · 1 source
   anthropics/anthropic-sdk-python v1.12.1
   docs: note that listing Claude Console spend limits is in early access
5. Oct 7, 2026 · Open-source release · 1 source
   anthropics/anthropic-sdk-python v1.12.0
6. Sep 30, 2026 · Open-source release · 1 source
   anthropics/anthropic-sdk-python v1.11.0
7. Sep 30, 2026 · Open-source release · 1 source
   anthropics/anthropic-sdk-python v1.10.0
8. Sep 28, 2026 · Open-source release · 1 source
   anthropics/anthropic-sdk-python v1.9.0
9. Sep 22, 2026 · Open-source release · 1 source
   anthropics/anthropic-sdk-python v1.8.0
10. Sep 18, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v1.7.0
11. Sep 15, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v1.6.0
12. Sep 10, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v1.5.0
13. Sep 4, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v1.4.0
14. Sep 1, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v1.3.0
15. Aug 27, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v1.2.0
16. Aug 26, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v1.1.0
17. Aug 20, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v1.0.0
    client: upgrade to httpx2 and some minor breaking changes.
18. Aug 19, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v0.125.0
19. Aug 19, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v0.124.0
20. Aug 19, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v0.123.0
21. Aug 13, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v0.122.0
22. Aug 7, 2026 · Open-source release · 1 source
    anthropics/anthropic-sdk-python v0.121.0

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