claude-mythos-preview (gated research preview) — Preview — shutdown 2027-04-02

For claude-mythos-preview (gated research preview), provider is Microsoft Azure / Foundry; shutdown / retirement date is 2027-04-02; platform / deployment scope is Azure / Microsoft Foundry, recorded from its source on 2026-09-09; source re-checked 2026-09-16.

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-mythos-preview (gated research preview) | — | Preview | 2027-04-02 | — |

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

Sources

• raw.githubusercontent.comhttps://raw.githubusercontent.com/MicrosoftDocs/azure-ai-docs/main/articles/foundry/openai/includes/concepts-model-retirement-schedule-content.md
• learn.microsoft.comhttps://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule

Last verified against source: 2026-09-16. Due for re-check by 2026-10-16. This page as Markdown · OKF bundle · full dataset as JSON.