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AnthropicClaude API

In Python SDK 1.10.0, TypeScript SDK 0.130.0, C# SDK 12.52.0, Go SDK 1.77.0, Java SDK 2.67.0, PHP SDK…

AI summary

Written by AI from the official notes. Check them for exact details.

Several SDKs have moved Admin API methods out of beta, and the Claude Sonnet 4.5 model is being deprecated.

  • Admin API methods are now stable in multiple SDKs.
  • Deprecation of Claude Sonnet 4.5 model announced.
  • Migration to Claude Sonnet 5.5 recommended.

Why it matters: Developers using these SDKs and the Claude Sonnet model should update their implementations accordingly.

Official notes on platform.claude.com

Full release notes2 changes

  • In Python SDK 1.10.0, TypeScript SDK 0.130.0, C# SDK 12.52.0, Go SDK 1.77.0, Java SDK 2.67.0, PHP SDK 0.53.0, Ruby SDK 1.75.0, and version 1.37.0 of the ant CLI, the Admin API methods for organization info, members, invites, workspaces, API keys, rate limits, service accounts, workload identity federation, customer-managed encryption keys, and compliance settings are out of beta: call them under client.organization and ant organization. These releases also keep client.beta.organization and ant beta:organization.
  • We announced the deprecation of the Claude Sonnet 4.5 model (claude-sonnet-4-5-20250929), with retirement on the Claude API scheduled for November 30, 2026. We recommend migrating to Claude Sonnet 5.5. Read more in Model deprecations.