FLUX.2 [klein] (4B / 9B)
Image generation
flux-2-klein-4b
$0.014 per image
BFL’s production workhorse for text-to-image and multi-reference editing.
Model idflux-2-pro
Price$0.03 per image
Checked29 September 2026
23newer image generation models since its release
The 5 newest are listed. All image generation models
2 ways to use FLUX.2 [pro], with the model id each provider expects.
| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| BFL API | flux-2-pro |
https://api.bfl.ai/v1/flux-2-pro |
docs.bfl.ai |
| Web app | playground.bfl.ai |
| Per image | $0.03 |
|---|
As published: “per image from (1MP text-to-image; editing from 0.045; scales with megapixels)”.
Source: docs.bfl.ai, checked 29 September 2026.
What its maker marketed at launch, and what people found later, each with its source.
Generates and edits with up to 10 reference images for character/product/style consistency, in one model with text-to-image.
Image editing up to 4 megapixels; reliable fine text for infographics, memes and UI mockups.
flux-2-pro is a fixed snapshot; flux-2-pro-preview tracks the latest [pro]. Siblings: flux-2-flex (from $0.05, step/guidance control), flux-2-max. Uses Mistral-3 24B VLM + rectified flow transformer.
curl -X POST https://api.bfl.ai/v1/flux-2-pro -H "x-key: $BFL_API_KEY" -H "Content-Type: application/json" \
-d '{"prompt":"product shot of a ceramic mug on linen, soft window light"}'
# response: {id, polling_url} -> GET polling_url until status Ready
Sources: https://docs.bfl.ai/flux_2/flux2_overview , https://docs.bfl.ai/quick_start/pricing , https://bfl.ai/blog/flux-2