Anthropic deprecations
1 upcoming · 1 already killed · next: claude-sonnet-4-5-20250929 retirement on Nov 30, 2026
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Upcoming
- claude-sonnet-4-5-20250929 retirementDeprecation
claude-sonnet-4-5-20250929 Deprecated September 30, 2026 November 30, 2026
Recently killed
- claude-opus-4-1-20250805 retiredShutdown
claude-opus-4-1-20250805 Retired June 5, 2026 August 5, 2026
Sources we watch
- Deprecation page: docs.anthropic.com
- GitHub releases: anthropics/anthropic-sdk-typescript