Last refreshed 2026-07-10. Next refresh: weekly.
Why use FLUX.2 on fal API?
fal API offers FLUX.2 with competitive pricing. fal API is a developer platform for calling a large catalog of production-ready image, video, audio, vision, 3D, and multimodal generation models through a unified API surface.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: fal-ai/flux-2fal-ai/flux-2Request example
fal-ai/flux-2.Gotchas
- Use provider model ID "fal-ai/flux-2", not the LLMReference slug "flux-2".
Capabilities
About FLUX.2
FLUX.2 Klein 9B by Black Forest Labs. Ultra-fast distilled rectified flow transformer for text-to-image generation. Available via Fal API (fal-ai/flux-2/klein/9b). Part of the FLUX.2 Klein family with 9B and 4B parameter variants.
FAQ
What API model ID do I use for FLUX.2 on fal API?
Use the model ID fal-ai/flux-2 when calling fal API's API.
Who created FLUX.2?
FLUX.2 was created by Black Forest Labs as part of the FLUX.2 model family.
Is FLUX.2 open source?
FLUX.2 has open weights under Noncommercial according to the seed data, but that does not necessarily mean an OSI-approved open-source license.