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GPT-4o and other legacy models retired
ChatGPT removed GPT-4o, GPT-4.1, o4-mini and GPT-5 for good
Was Availablenow Retired
What this means for you
Paid users who had kept using GPT-4o after it was restored lost it for good, along with GPT-4.1, GPT-4.1 mini, o4-mini and the original GPT-5.
Evidence
OpenAI announced on January 29, 2026 that 'On February 13, 2026, alongside the previously announced retirement of GPT‑5 (Instant and Thinking), we will retire GPT‑4o, GPT‑4.1, GPT‑4.1 mini, and OpenAI o4-mini from ChatGPT.' The help article 'Retiring GPT-4o and other ChatGPT models' lists all five as retired as of February 13, 2026; conversations default to GPT-5.3 Instant and GPT-5.4 Thinking and Pro equivalents. The API is unchanged.
- GPT-4o, GPT-4.1, GPT-4.1 mini, o4-mini
- Was Available to paid usersRetired
- GPT-5 (Instant and Thinking)
- Was Available as legacy modelsRetired
Sources
- OpenAI: Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT (Jan 29, 2026) · archived
- OpenAI Help Center: Retiring GPT-4o and other ChatGPT models (read Sep 25 2026; lists GPT-5 Instant and Thinking)
- ChatGPT release notes (announcement, Jan 30 2026) · archived
- ChatGPT release notes (retirement confirmed, Feb 14 2026) · archived
- CNBC: OpenAI will retire several models, including GPT-4o, from ChatGPT next month (Jan 29, 2026) · archived
Effective Feb 13, 2026 · First recorded Jan 29, 2026 · Reconstructed · High confidence