Imagen 3 Fast vs 
Luma Photon
Luma Photon is the newer model, released after Imagen 3 Fast.
Hyperrealistic Portrait
One prompt, one photorealistic portrait. Skin, eyes, light.
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Which answer wins?
Price and specs
| Spec | Imagen 3 Fast | Luma Photon |
|---|---|---|
| Released | Feb 2025 | Mar 2025 |
Common questions
What is the difference between Imagen 3 Fast and Luma Photon?
Imagen 3 Fast is developed by Google AI while Luma Photon is developed by Luma. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.
Which is better, Imagen 3 Fast or Luma Photon?
It depends on your use case. Imagen 3 Fast and Luma Photon each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 17 challenges so you can judge which fits your needs best.
How can I compare Imagen 3 Fast and Luma Photon on Rival?
This page shows a side-by-side comparison of Imagen 3 Fast and Luma Photon across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.
More comparisons
Against the newest arrivals
- Imagen 3 Fast vs Hy Image 3.5 PreviewLanded Oct 2026
- Luma Photon vs FLUX.3 ImageLanded Oct 2026
- Imagen 3 Fast vs Nano Banana 2.1Landed Oct 2026
- Luma Photon vs Recraft V4.1 FlashLanded Sep 2026
- Imagen 3 Fast vs GPT Image 2.5 SunburstLanded Sep 2026
- Luma Photon vs GPT Image 2.5 FlareLanded Sep 2026
- Imagen 3 Fast vs Nano Banana 2 LiteLanded Jun 2026
- Luma Photon vs Riverflow V2.5 FastLanded Jun 2026
Same lab, same size, long tail
- Imagen 3 Fast vs Nano Banana 2Same lab
- Imagen 3 Fast vs FLUX.3 ImageSame size
- Luma Photon vs Luma Photon FlashSame lab
- Luma Photon vs Hy Image 3.5 PreviewSame size
- Luma Photon vs HiDream L1 (Fast)Same size
- Imagen 3 Fast vs Hunyuan Image 3Same size
- Imagen 3 Fast vs Ideogram v3 BalancedSame size
- Imagen 3 Fast vs Ideogram v3 QualitySame size
