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Documentation section changed: 2026-10-14: GPT-4 series model deprecations

doc:019fb619-9a96-7dbf-bd33-e06fdf8a22fb::Deprecations/Upcoming deprecations/2026-10-14: GPT-4 series model deprecations
Product
OpenAI API
Source
HTML
Change kind
Section Added
Detected
Last updated

Deterministic evidence

Before / after

Extracted from OpenAI's published contract. Open the source ↗

−1+211 change

1 / 1
null
{
"blocks": [
{
"content": "On October 14, 2026, we notified developers using certain GPT-4 series models of their deprecation and removal from the API on January 14, 2027.",
"type": "paragraph"
},
{
"content": "Shutdown date\tModel / system\tRecommended replacement\nJanuary 14, 2027\tGPT-4o (gpt-4o-2024-08-06, gpt-4o-2024-11-20)\tgpt-6-luna\nJanuary 14, 2027\tGPT-4o mini (gpt-4o-mini-2024-07-18)\tgpt-6-luna\nJanuary 14, 2027\tGPT-4.1 (gpt-4.1-2025-04-14)\tgpt-6-luna\nJanuary 14, 2027\tGPT-4.1 mini (gpt-4.1-mini-2025-04-14)\tgpt-6-luna",
"type": "table"
},
{
"content": "Fine-tuned versions of these models follow the same shutdown schedule as their underlying base models.",
"type": "paragraph"
}
],
"path": [
"Deprecations",
"Upcoming deprecations",
"2026-10-14: GPT-4 series model deprecations"
]
}

Interpreted documentation change

What the vendor announced

The evidence describes upcoming deprecations and removal of certain GPT-4 series models (GPT-4o, GPT-4o mini, GPT-4.1, GPT-4.1 mini) with shutdown dated January 14, 2027 and recommended replacement as GPT-6-Luna. It also notes the initial notification date (October 14, 2026) and that fine-tuned variants follow the same schedule.

On October 14, 2026, we notified developers using certain GPT-4 series models of their deprecation and removal from the API on January 14, 2027. Shutdown date Model / system Recommended replacement January 14, 2027 GPT-4o (gpt-4o-2024-08-06, gpt-4o-2024-11-20) gpt-6-luna January 14, 2027 GPT-4o mini (gpt-4o-mini-2024-07-18) gpt-6-luna January 14, 2027 GPT-4.1 (gpt-4.1-2025-04-14) gpt-6-luna January 14, 2027 GPT-4.1 mini (gpt-4.1-mini-2025-04-14) gpt-6-luna Fine-tuned versions of these models follow the same shutdown schedule as their underlying base models.

Deadline Jan 14, 2027Vendor source ↗

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