As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/imagen-4/

# Imagen 4

Google DeepMind, Imagen family. Status: retired. Type: image generation. Released: 2025-06-24.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Gemini API (shut down) | `imagen-4.0-generate-001` |  | https://ai.google.dev/gemini-api/docs/deprecations |

## Pricing

- Price not published.
- Last checked: 2026-09-29

## Specs

- Input: text
- Output: image
- Context window: not published
- Max output: not published
- Open weights: no
- Licence: proprietary

## Where it stands

- Newer image generation models in the registry since its release: 27. The 5 newest:
  - GPT Image 2.6 Flare (2026-11-04) https://postcutoff.com/m/gpt-image-2-6-flare/
  - GPT Image 2.6 Sunburst (2026-11-04) https://postcutoff.com/m/gpt-image-2-6-sunburst/
  - MOSS-Image (2026-10-16) https://postcutoff.com/m/moss-image/
  - FLUX 3 Image Klein (2026-10-15) https://postcutoff.com/m/flux-3-image-klein/
  - Krea 3 (Fast / High / Ultra modes) (2026-10-15) https://postcutoff.com/m/krea-3/
- After it from Google: Nano Banana (Gemini 2.5 Flash Image) (2025-10-02) https://postcutoff.com/m/gemini-2-5-flash-image/
- Closed weights; access is hosted only.

## What stands out

- Dedicated text-to-image diffusion model: Google's last standalone Imagen generation; superseded by Gemini-native image models (Nano Banana 2). Source: https://ai.google.dev/gemini-api/docs/deprecations
- Retired in favor of Gemini-native imaging (found after launch): Deprecation table names gemini-3.1-flash-image as replacement, marking the shift from standalone diffusion models to Gemini image models. Source: https://ai.google.dev/gemini-api/docs/deprecations

## Notes

Imagen 4.0 variants released 2025-06-24, shut down in the Gemini API 2026-08-17; replacement gemini-3.1-flash-image. Other variant ids (fast/ultra) and Vertex status not verified; pricing not verified (retired).

Retired. Use `gemini-3.1-flash-image` (Nano Banana 2) or `gemini-3-pro-image` instead.

Sources: [deprecations](https://ai.google.dev/gemini-api/docs/deprecations), [models](https://ai.google.dev/gemini-api/docs/models).

Model page: https://postcutoff.com/m/imagen-4/