Imagen 4

Google

DISCONTINUED. Google DeepMind's flagship text-to-image model, delivering top-tier photorealism, improved text rendering, and strong prompt adherence. Imagen 4 is available through the Gemini API and Vertex AI, with an Ultra tier for the highest-fidelity generations. Google shut down the Imagen 4 standard, ultra and fast endpoints on August 17, 2026; the models index lists it as deprecated.

Strengths

Top-tier photorealism among frontier image models
Improved in-image text rendering over Imagen 3
Strong prompt adherence
Available via Gemini API and Vertex AI
Ultra tier for the highest-fidelity output

Caveats

DISCONTINUED - endpoints shut down by Google on August 17, 2026
Google names Gemini 3.1 Flash Image as the migration target
Proprietary - Google API access only
Per-image pricing for high-volume use
Content and safety filters may block some prompts

Vendor: Google
License: Proprietary
Modalities: text
image

Capabilities

Vision

Audio

Video

Tool Use

Resources

API Documentation

Pricing

Per-image pricing via the Gemini API and Vertex AI; an Imagen 4 Ultra tier targets the highest fidelity. See Google pricing for current rates.