AI image models compared
Flux Schnell vs Flux Dev
This is the drafting-versus-delivering choice inside one family. Flux Schnell is distilled to a handful of steps: about a second a render, 26 credits, and a real loss of prompt adherence as the price. Flux Dev is the full model at 210 credits and follows a long prompt to the end.
The failure that matters is Schnell simplifying complex prompts — ask for five specific objects and you may get three. That is fine while you are working out the framing and fatal once you care about the result. Use Schnell to find the shot at an eighth of the price, then render it on Dev.
Choose Flux Schnell if
- You are exploring and expect to discard most outputs
- You need many images and per-image cost dominates
- The prompt is simple
Choose Flux Dev if
- The prompt is long or has several specific elements
- Schnell is dropping things you asked for
- This is the version you are keeping
Side by side
| Flux Schnell | Flux Dev | |
|---|---|---|
| Price | 26 credits | 210 credits |
| Roughly | about 2c | about 19c |
| Provider | fal | fal |
| Aspect ratios | 13 — 1:1, 4:3, 16:9, 3:2, 19.5:9, 20:9, 2:1, 3:4, 9:16, 2:3, 9:19.5, 9:20, 1:2 | 13 — 1:1, 4:3, 16:9, 3:2, 19.5:9, 20:9, 2:1, 3:4, 9:16, 2:3, 9:19.5, 9:20, 1:2 |
| Resolutions | 1k, 2k | 1k, 2k |
| LoRA support | No | No |
| Modes | generate | generate |
Specifications are measured against each endpoint, not copied from a vendor page. Cash figures are approximate at starter-pack rates — see pricing. Highlighted rows are where the two models differ.
Try either one
Open Flux SchnellOpen Flux Dev
New accounts start with free credits, and credits never expire. Read more about Flux Schnell or Flux Dev, or see every model on comfyarts.