Hours after 0.130/1.10 Admin GA work, Anthropic shipped @anthropic-ai/[email protected] and Python 1.11.0 at 2026-09-30T22:58Z: Admin API gains a list spend limits endpoint; both clients deprecate Sonnet 4.5 toward newer aliases (Sonnet 5.5 line).

Key Takeaways

  • ✓TS sdk-v0.131.0 at 2026-09-30T22:58:20Z; Python v1.11.0 at 22:58:09Z
  • ✓Admin API: list spend limits endpoint (compare)
  • ✓Clients deprecate Sonnet 4.5; prefer Sonnet 5.5 aliases for new work
  • ✓Install: npm i @anthropic-ai/[email protected] / pip install anthropic==1.11.0; Admin docs linked above
  • ✓No public SWE-bench; enterprise quota listing + model alias hygiene
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In-Depth Technical Analysis

Background After 0.130/1.10 landed Admin analytics and spend-limit configuration, teams needed a typed list endpoint to reconcile quotas. Sonnet 4.5 aliases also enter deprecation. ### What shipped [@anthropic-ai/[email protected]](https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.131.0) and Python [1.11.0](https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.11.0): Admin list spend limits; deprecate Sonnet 4.5. Compare. ### Benchmarks No model benchmark numbers. Anchors: npm 0.131.0 / PyPI 1.11.0 at 2026-09-30T22:58Z. ### Get started npm i @anthropic-ai/[email protected] or pip install anthropic==1.11.0. Docs: https://docs.anthropic.com/en/api/admin-api