imagen-4.0-fast-generate-001

imagen-4.0-fast-generate-001 (Gemini API) was shut down on Aug 17, 2026; calls to it fail. Gemini API recommends gemini-nano-banana-2.1 instead.

Provider

Gemini API

Shutdown

Aug 17, 2026 (already shut down)

Announced

—

Replace with

gemini-nano-banana-2.1

Also written as

models/imagen-4.0-fast-generate-001

Source: https://ai.google.dev/gemini-api/docs/deprecations · report a wrong date