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

imagen-4.0-ultra-generate-001

imagen-4.0-ultra-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-ultra-generate-001

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

Is imagen-4.0-ultra-generate-001 in your code?

$ npx dead-models