Flux Dev · Black Forest Labs
Flux Dev is Black Forest Labs' balanced version. Quality close to Pro at a lower cost. The ideal balance for daily production.
About Flux Dev
Flux Dev is Black Forest Labs' balanced version. Quality close to Pro at a lower cost. The ideal balance for daily production.
Where it shines: High quality · Good composition · Text handling.
How to use Flux Dev
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1
Describe the image
Type what you want in the box above — or upload the file if the tool asks for one.
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2
Generate
Click the main button. Wait 2-30 seconds depending on the model and input size.
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3
Download or share
Download the result or share the direct link. No watermark, ready to use.
Frequently asked questions
How much does it cost to use Flux Dev?
Flux Dev is a Pro model: it costs 112 tokens per use (~$0.56 real cost for us). You need a Pro plan ($9/month → 15,000 tokens) or a one-shot pack. If you already have tokens in the free account, you can also spend them directly.
How many Flux Dev uses do I get with the Pro plan?
Pro ($9/month) gives you 15,000 recurring tokens, at 112 tokens per Flux Dev use, that's ~133 full uses per cycle. If you run out, one-shot packs (5,000 / 25,000 / 80,000 tokens) add to the balance without expiring before one year.
What makes Flux Dev special?
Black Forest Labs is the lab behind Flux — the open and higher quality successor to Stable Diffusion, with specific strengths in high quality, good composition and text handling.
How long does Flux Dev take to generate an image?
Flux Dev has a balanced speed: 10-25 seconds per generation, the chosen resolution changes little in time; what influences most is the model itself.
How do I use Flux Dev in ia.gratis?
You can use Flux Dev from /image/ by choosing Flux Dev in the model picker, or via the REST API by passing `model=flux-dev` in the JSON. Quick summary: better quality than Schnell. ~10s. The internal model identifier is `flux-dev` — useful when integrating via API.