Imagen 4 (Fast / Standard / Ultra)
Google's standalone dedicated text-to-image family (imagen-4.0-fast-generate-001, imagen-4.0-generate-001, imagen-4.0-ultra-generate-001), offering 1K or 2K output, five fixed aspect ratios, 1-4 images per request and a 480-token prompt limit.
- Resolution
- 2K (1K default; Ultra and Standard support 1K and 2K)
- Aspect ratios
- 1:1, 3:4, 4:3, 9:16
- Weights
- Not released
- API
- Yes
- Commercial use
- Not established
IMPORTANT: Google's docs state Imagen models are deprecated and shut down on 17 August 2026, with Nano Banana as the recommended migration path. Include only for migration planning.
Marked deprecated with shutdown on 2026-08-17, three days after this snapshot. Google's current image lineup is the Nano Banana / Gemini image models.
Effective: 2026-08-17
The research notes for this model record other terms but do not state a commercial-use position, and no licence page was retrieved, so it is not established here. Check the vendor's own terms.
Specification
- What it takes in
- text
- What it makes
- image
- Maximum resolution
- 2K (1K default; Ultra and Standard support 1K and 2K)
- Aspect ratios
- 1:1, 3:4, 4:3, 9:16, 16:9
- Controls
- text-rendering
- Weights
- Not released
- API
- Yes
- Pricing
- per image: Fast $0.02, Standard $0.04, Ultra $0.06
- Released or updated
- 2026-08-17 (scheduled shutdown)
Strengths
- Cheapest Google image tier at $0.02 (Fast)
- Simple, predictable flat per-image pricing
- Photorealism-focused dedicated model rather than a multimodal chat model
Weaknesses
- DEPRECATED: shuts down 17 August 2026, three days after this verification date
- No image input, so no editing or reference workflows
- 480-token prompt cap and only five aspect ratios
Best for
- Nothing new — existing Imagen 4 integrations should be migrated to Nano Banana before the 17 August 2026 shutdown.
Where the sources disagree
Recorded rather than resolved. Picking the tidier number would hide the fact that the vendor's own pages do not agree.
- Imagen 4 pricing is still listed on Google's live pricing page while the Imagen docs page marks the family deprecated with an 17 August 2026 shutdown. Treat pricing as vestigial.
- Imagen 3 is already shut down per the same docs page. No Imagen 5 exists.
What to understand before using it
Explainers naming the mechanisms this model's own documentation mentions.
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See it from the vendor
Shotcraft hosts no sample output. Judging a model means watching its own showreel with your own eyes, and a clip re-hosted here would be a clip we chose.
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