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Every tracked shutdown, launch and deadline across providers, on one dated page — the same list behind the .ics subscription and the rail. JSON · deprecation tracker · check your own model ids.

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November 2026

2026-11-30 in 16d Anthropic
Claude Sonnet 4.5 model shutdown (Anthropic)
Models: claude-sonnet-4-5-20250929 — replacement: claude-sonnet-5-5