GPT-4.1 and GPT-4.1 mini (deprecated)
OpenAI deprecated GPT-4.1 and GPT-4.1 mini on October 14, 2026, with shutdown on January 14, 2027.
- Lab
- OpenAI
- Release date
- Status
- Deprecated
- API model ID
- gpt-4.1-2025-04-14, gpt-4.1-mini-2025-04-14
- Shutdown date
OpenAI’s deprecations page lists a notice dated October 14, 2026 for GPT-4.1 (gpt-4.1-2025-04-14) and GPT-4.1 mini (gpt-4.1-mini-2025-04-14). The shutdown date is January 14, 2027, and the recommended replacement is GPT-6 Luna (gpt-6-luna). Fine-tuned versions follow the same shutdown schedule as their base models. The same notice covers the GPT-4o and GPT-4o mini snapshots.
- Availability
- OpenAI API until shutdown. Recommended replacement: gpt-6-luna.
- Official source
- developers.openai.com
- Last checked
Questions
When will GPT-4.1 be shut down?
On January 14, 2027, for
gpt-4.1-2025-04-14 and gpt-4.1-mini-2025-04-14.What should replace GPT-4.1?
OpenAI recommends
gpt-6-luna.Are fine-tuned GPT-4.1 models affected?
Yes. Fine-tuned versions follow their base model’s shutdown schedule.
Source
Release dates, model IDs and limits come from each lab’s own announcement, changelog, documentation or deprecations page, linked on every model with the date it was last checked. How we pick and check sources: editorial standards.