Calendarby GlyphTech · Retirements
Microsoft retires claude-sonnet-4-5 (1)
Mon, November 30, 2026
in 21 daysUnverified
Microsoft Foundry ends support for this model; the replacement is claude-sonnet-5-5.
Also on Nov 30, 2026
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Source, method and history
- Source
- Microsoft
- How we know
- From the Sunsets API (sunsets.fru.dev), which reads each vendor's deprecation page.
- Who
- Microsoft
- Recurs
- one-off
- More on Glyph
- sunsets.fru.dev
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- Changes
- 2026-10-06: moved date from 2026-10-19 to 2026-11-30
- 2026-09-25: added to 2026-10-19