Flux 2 vs Flux Dev
Flux 2 and Flux Dev are both available on Pixel Engine. This page compares what they actually cost and what they can do, generated from the live catalogue rather than written by hand.
Specifications side by side
| Flux 2 | Flux Dev | |
|---|---|---|
| Type | image | image |
| Credits (base) | 4 | 2 |
| Cost per generation | $0.27–$0.40 | $0.13–$0.20 |
| Cost per second of video | — | — |
| Durations (s) | — | — |
| Resolutions | — | — |
| Aspect ratios | — | — |
| Image to video | No | No |
| Start + end frame | No | No |
| Native audio | No | No |
| Requires an input image | No | No |
| Negative prompt | No | No |
| Seed control (repeatable results) | Yes | Yes |
| Multiple reference images | No | No |
| Served by | fal | fal |
Which should you use?
Flux Dev is the cheaper of the two per generation on current plan rates. That does not make it the better choice for every shot — check the capability rows above, because Flux 2 may support options Flux Dev does not.
The concrete differences are:
- Credits (base): Flux 2 4, Flux Dev 2
- Cost per generation: Flux 2 $0.27–$0.40, Flux Dev $0.13–$0.20
Run the same prompt on both
Both models are on one account with shared credits, so you can generate the identical prompt on each and compare the real output instead of taking a table's word for it.
Start freeCommon questions
Which is cheaper, Flux 2 or Flux Dev?
Flux Dev costs less per generation at current plan rates. Exact cost depends on clip length and resolution — see the cost table above.
Can I use both Flux 2 and Flux Dev on one account?
Yes. Both are available on Pixel Engine from the same credit balance, so you can switch between them without a second subscription.