All providers · 2 official entries
GPT-4.1 nano deprecation date & shutdown status by provider
All listed entries have already been shut down.
| Provider | Status | Replacement | Source |
|---|---|---|---|
OpenAIgpt-4.1-nano | gpt-5.6-luna | Official notice | |
Azuregpt-4.1-nanoversion 2025-04-14 | — | Official notice |
Per-provider details
Related models
Questions
When will GPT-4.1 nano be deprecated?
OpenAI: gpt-4.1-nano was shut down on October 23, 2026. Microsoft Foundry / Azure OpenAI: gpt-4.1-nano (version 2025-04-14) was shut down on October 14, 2026. Dates come from each provider’s official deprecation page (data verified 2026-09-26).
Is GPT-4.1 nano deprecated?
GPT-4.1 nano has a deprecation or retirement entry from OpenAI & Microsoft Foundry / Azure OpenAI. See the table on this page for the exact model IDs and dates.
What should I use instead of GPT-4.1 nano?
The official replacements named by the providers are: gpt-5.6-luna (OpenAI, for gpt-4.1-nano).