Calendarby GlyphTech · Retirements
GitHub retires Claude Opus 4.6 (fast mode) (preview)
Mon, June 29, 2026
4 mo agoUnverified
GitHub Copilot ends support for this model; the replacement is Latest Claude Opus model in fast mode.
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Source, method and history
- Source
- GitHub
- How we know
- From the Sunsets API (sunsets.fru.dev), which reads each vendor's deprecation page.
- Who
- GitHub
- Recurs
- one-off
- More on Glyph
- sunsets.fru.dev
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- Changes
- 2026-09-25: added to 2026-06-29