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Google DeepMindImagen familyRetiredImage generationReleased 24 Jun 2025

Imagen 4

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

Model idimagen-4.0-generate-001

PricePrice not published

Checked29 September 2026

Where it stands

27newer image generation models since its release

The 5 newest are listed. All image generation models

After it from Google
Nano Banana (Gemini 2.5 Flash Image)2 Oct 2025
Weights
Closed weights; access is hosted only.

How to call it

Where to use Imagen 4, with its model id.

Providers, model ids, endpoints and docs for Imagen 4
ProviderModel idEndpointDocs
Gemini API (shut down) imagen-4.0-generate-001 ai.google.dev

Pricing

Price not published.

No price source linked. Checked 29 September 2026.

Specs

Input
Text
Output
Images
Context window
Not published
Max output
Not published
Open weights
No
Licence
Proprietary
Released
24 June 2025
Status
Retired
Type
Image generation

What stands out

What its maker marketed at launch, and what people found later, each with its source.

  • Dedicated text-to-image diffusion model

    Google’s last standalone Imagen generation; superseded by Gemini-native image models (Nano Banana 2).

    Source: ai.google.dev

  • 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: ai.google.dev

Notes

Imagen 4.0 variants released 2025-06-24, shut down in the Gemini API 2026-08-17; replacement gemini-3.1-flash-image.

Sources: deprecations, models.

Not yet checked against an official source: Other variant ids (fast/ultra) and Vertex status not verified; pricing not verified (retired).