LLM Reference
fal API

Using FLUX.2 on fal API

Implementation guide · FLUX.2 · Black Forest Labs

ServerlessOpen Weights

fal API exposes FLUX.2 through model ID fal-ai/flux-2. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-07-10. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at fal API and generate an API key.
  2. 2
    Use the fal API SDK or REST API to call fal-ai/flux-2 — see the documentation for request format.
API PortalDocumentationPricingModel Card

Code Examples

See fal API documentation for integration details.

Pricing on fal API

Capabilities

Multimodal

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.

Full model details →

Model Specs

Released2026-01-01
ArchitectureDiffusion Transformer

Provider

fal API
fal API

fal

Paris, Île-de-France, France