Using FLUX.2 on fal API

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.

Code Examples

About fal API

fal serves asynchronous and real-time model APIs on its infrastructure with queue handling, automatic scaling, SDK and HTTP access, and model-specific output-based billing. Its public catalog includes first-party and partner-hosted endpoints across image, video, audio, vision, and 3D generation; model cards expose the applicable schema, pricing, and license information.

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.

Pricing on fal API

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.