# imagen-4.0-generate-001 deprecation — retirement date and replacement

**Google** retires **imagen-4.0-generate-001** on **2026-08-17**.
Documented replacement: **gemini-nano-banana-2.1**.

Source: https://aistudio.google.com/docs/deprecations
Source last checked: 2026-11-08.
Calendar as of 2026-11-08 UTC.

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| imagen-4.0-generate-001 | Google | 2026-08-17 | gemini-nano-banana-2.1 |

Also retiring on 2026-08-17:
- imagen-4.0-ultra-generate-001 (Google) → gemini-nano-banana-2.1
- imagen-4.0-fast-generate-001 (Google) → gemini-nano-banana-2.1

Source: https://llmlatency.dev/migrate/google-imagen-4-0-generate-001