Reference Source

claude-opus-4-1 — Retired — shutdown 2026-08-05

For claude-opus-4-1, provider is Microsoft Azure / Foundry; lifecycle status is Retired; shutdown / retirement date is 2026-08-05; recommended replacement is claude-opus-5; platform / deployment scope is Azure / Microsoft Foundry, recorded from its source on 2026-09-09; source re-checked 2026-09-16.

Provider
Microsoft Azure / Foundry our reading
Model ID / API name
claude-opus-4-1 verified
Human-readable model name
claude-opus-4-1 verified
Lifecycle status
Retired verified
Shutdown / retirement date
2026-08-05 verified
Recommended replacement
claude-opus-5 verified
Platform / deployment scope
Azure / Microsoft Foundry our reading
Sourceraw.githubusercontent.com
Verified
Review by
DatasetAI model deprecation and retirement dates by provider

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

| claude-opus-4-1 | — | Retired | 2026-08-05 | claude-opus-5 |

— raw.githubusercontent.com, retrieved 2026-09-09

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.

This one changes, and we watch it.AI model deprecation and retirement dates by provider is re-read on a schedule and every change is dated. Subscribe: Atom feed · JSON · what has changed so far.