ChangeSpec  /  anthropic

Anthropic

publisher_verified anthropic.com Release notes

AI safety company and maker of the Claude model family. Publishes the Messages API, MCP server registry, and Workbench.

  • Rate limits on claude-3-opus-20240229 reduced 40% for tier-1 accounts high

    Effective 2026-04-15, Tier 1 accounts will see a 40% reduction in requests-per-minute limits for claude-3-opus-20240229. This does not affect Tier 2 or higher accounts.

    api_breaking publisher_verified Action required
  • claude-2 model deprecated, sunset 2027-01-01 medium

    The claude-2 and claude-2.1 model identifiers are deprecated and will stop accepting requests on 2027-01-01. Applications should migrate to claude-3-5-sonnet-20241022 or later.

    api_deprecation publisher_verified sunset 2027-01-01 Action required
  • Data processing agreement updated - EU subprocessors list revised medium

    Anthropic updated its DPA on 2026-04-10. The EU subprocessors list adds one new provider in the Frankfurt region and removes a deprecated analytics vendor. Organizations with strict DPA requirements should review the updated list.

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  • MCP server registry public beta launched low

    Anthropic opened the Model Context Protocol server registry to public submissions. Third-party developers may now submit MCP server packages for review. Registry submissions are reviewed within 5 business days.

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  • Legacy tool_use format deprecated in favor of tools parameter medium

    The experimental tool_use response format from the claude-3 preview period is deprecated. All applications must migrate to the stable tools parameter format by 2026-06-01.

    api_deprecation publisher_verified sunset 2026-06-01 Action required
  • Batch API now supports up to 100k requests per batch informational

    The Anthropic Batch API limit increased from 10,000 to 100,000 requests per batch. Existing integrations require no changes. Billing and processing time scale proportionally.

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