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Anthropic deprecations

Vol. I No. 26 Saturday, October 17, 2026 Closing 12:53 PM UTC · next edition 10:00 AM UTC

Next: claude-sonnet-4-5-20250929 shuts down on Mon, Nov 30, 2026. Anthropic's own page

Add Anthropic's dates to your calendarGoogle Calendar

Coming up

ModelWhat happensDateReplacement
claude-sonnet-4-5-20250929Shuts downMon, Nov 30, 2026in 44 daysclaude-sonnet-5-5

Already passed

ModelWhat happensDateReplacement
claude-opus-4-1-20250805Shuts downShut down on Wed, Aug 5, 2026claude-opus-4-8
claude-sonnet-4-20250514Shuts downShut down on Mon, Jun 15, 2026claude-sonnet-5-5
claude-opus-4-20250514Shuts downShut down on Mon, Jun 15, 2026claude-opus-4-8
claude-3-haiku-20240307Shuts downShut down on Mon, Apr 20, 2026claude-haiku-4-5-20251001
claude-3-7-sonnet-20250219Shuts downShut down on Thu, Feb 19, 2026claude-sonnet-5-5
claude-3-5-haiku-20241022Shuts downShut down on Thu, Feb 19, 2026claude-haiku-4-5-20251001
claude-3-opus-20240229Shuts downShut down on Mon, Jan 5, 2026claude-opus-4-8
claude-3-5-sonnet-20241022Shuts downShut down on Tue, Oct 28, 2025claude-sonnet-5-5
claude-3-5-sonnet-20240620Shuts downShut down on Tue, Oct 28, 2025claude-sonnet-5-5
claude-3-sonnet-20240229Shuts downShut down on Mon, Jul 21, 2025claude-sonnet-5-5
claude-2.1Shuts downShut down on Mon, Jul 21, 2025claude-opus-4-8
claude-2.0Shuts downShut down on Mon, Jul 21, 2025claude-opus-4-8
claude-instant-1.2Shuts downShut down on Wed, Nov 6, 2024claude-haiku-4-5-20251001
claude-instant-1.1Shuts downShut down on Wed, Nov 6, 2024claude-haiku-4-5-20251001
claude-instant-1.0Shuts downShut down on Wed, Nov 6, 2024claude-haiku-4-5-20251001
claude-1.3Shuts downShut down on Wed, Nov 6, 2024claude-haiku-4-5-20251001
claude-1.2Shuts downShut down on Wed, Nov 6, 2024claude-haiku-4-5-20251001
claude-1.1Shuts downShut down on Wed, Nov 6, 2024claude-haiku-4-5-20251001
claude-1.0Shuts downShut down on Wed, Nov 6, 2024claude-haiku-4-5-20251001