# OpenAI Retires GPT-4o, GPT-4.1 API: Move to gpt-6-luna

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## Article Metadata
- Title: OpenAI Retires GPT-4o, GPT-4.1 API: Move to gpt-6-luna
- Summary: Five GPT-4o and GPT-4.1 API snapshots shut down 2027-01-14. See gpt-6-luna prices, fine-tune limits and the migration deadlines.
- Published: Oct 14, 2026, 10:39 PM EDT
- Updated: Oct 14, 2026, 10:39 PM EDT
- Category: Research
- Primary topic: Gpt 6 Luna
- Authors: Alex Kim
- Read time: 6 min
- Language: en_US
- Publication time zone: America/New_York (U.S. Eastern Time)
- Access: Free to read

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- [Gpt 6 Luna](https://threatfrontier.com/tags/gpt-6-luna): 1 public article in this topic.

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