OPENAI · MODEL
gpt-5.4-nano shuts down on 1 April 2027
SHUTS DOWN1 April 2027
TIME LEFT166 days
REPLACE WITHgpt-6-luna
Announced in: 2026-10-01: GPT-5.3-Codex, GPT-5.1, GPT-5.4-Nano.
OpenAI lists 1 April 2027 as the shutdown date for gpt-5.4-nano, with gpt-6-luna as the recommended replacement. Source: OpenAI's official deprecations page, checked 17 October 2026. Read the official page.
Checked against the official page on 17 October 2026 at 06:08 UTC
Announced in the same notice
| Shuts down | When | Model | Replace with | Source |
|---|---|---|---|---|
| 1 April 2027 | 166 days | gpt-5.1 | gpt-6-sol | Official |
| 1 April 2027 | 166 days | gpt-5.3-codex | gpt-6-sol | Official |