Imagen 4 ultra
Notable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.
Key facts
- Released
- May 20, 2025
- What it does
- Makes images: Creates pictures from a description, or edits them.
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- How
- For developers, through an API
- Announced as
- “Imagen 4 ultra”
From trckr's archive of releases before it started watching. Date and details from Epoch AI's database of AI models (CC BY 4.0).
How it scores
From independent testers, never the lab's own claims.
- Pictures, by people's votes#37 of 78
- GPT-Image-2.5 Sunburst1,428
- 2GPT-Image-2.6 Sunburst1,406
- 36Seedream 4.51,148
- 37Imagen 4 ultra1,146
- 38FLUX.2 [dev]1,145
Source: LMArena · LMArena text-to-image
Compare Imagen 4 ultra with
It came out 371 days after Imagen 3, the lab's previous model.
The details
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