Sources · checked October 20, 2026
FLUX 3 Max vs Veo 3.1
Choose FLUX 3 Max for clips longer than 8 seconds (5–20 s) and 7 fixed aspect ratios plus auto; choose Veo 3.1 for 4K. At 720p, FLUX 3 Max costs $0.0425 per second until November 7, 2026, then $0.17; Veo 3.1 costs $0.05 (Lite), $0.10 (Fast) or $0.40 (Standard) per second on the Gemini API.
Side-by-side specifications
| Specification | FLUX 3 Max (fal) | Veo 3.1 (Google) |
|---|---|---|
| Clip length | 5–20 s, any whole second | 4, 6 or 8 s |
| Resolution | 720p / 1080p | 720p / 1080p / 4K (no 4K on Lite) |
| Aspect ratios | auto, 21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16 | 16:9, 9:16 |
| Frame rate · audio | 24 fps · native audio | 24 fps · native audio |
| Inputs | Text; first and last frame; up to 10 keyframes | Text; image up to 20 MB; reference images (8 s only) |
| 720p price / s | $0.0425 promo → $0.17 | Lite $0.05 · Fast $0.10 · Standard $0.40 |
| 1080p price / s | $0.0725 promo → $0.29 | Lite $0.08 · Fast $0.12 · Standard $0.40 |
| 8 s at 720p | $0.34 promo → $1.36 | Lite $0.40 · Fast $0.80 · Standard $3.20 |
| Free tier | None on fal | None on the Gemini API |
| Where to run | fal, Krea | Gemini API, Vertex AI |
Questions and answers
Is FLUX 3 Max cheaper than Veo 3.1?
Yes, until November 7, 2026: at 720p FLUX 3 Max costs $0.0425 per second versus $0.05 for Veo 3.1 Lite. After that, FLUX 3 Max's $0.17 per second is above Veo 3.1 Lite ($0.05) and Fast ($0.10) and below Standard ($0.40).
Can Veo 3.1 make 20-second clips?
No. Veo 3.1 generates 4, 6 or 8 seconds per clip; FLUX 3 Max generates 5 to 20 seconds in one run.
Which model does this site's generator use?
Veo 3.1. The flux3max.app generator runs Google Veo 3.1 via kie.ai at 720p in 4, 6 or 8 seconds; it does not produce FLUX 3 Max output.
Is Veo 3.1 being shut down?
No, only the preview IDs: on the Gemini API, veo-3.1-generate-preview, veo-3.1-fast-generate-preview and veo-3.1-lite-generate-preview shut down October 22, 2026. Google points users to Gemini Omni Flash or the GA Veo 3.1 models.