Flux ✓ Verified

Open source AI image model by Black Forest Labs — photorealistic with strong text rendering

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About Flux

Flux is an open source text-to-image model developed by Black Forest Labs (founded by the original creators of Stable Diffusion). It has quickly become one of the most popular open source image generation models due to its exceptional photorealism, strong text rendering, and prompt adherence.

Flux comes in multiple variants: Flux Schnell (fast, open source), Flux Dev (development use), and Flux Pro/Ultra (commercial API). The open source versions can be run locally through ComfyUI or other interfaces, while the Pro versions are available through various API providers.

Key Features

✓ Open source Schnell variant for free local use
✓ Exceptional photorealism rivaling proprietary models
✓ Strong text rendering in generated images
✓ High prompt adherence for complex multi-element scenes
✓ Available through ComfyUI, Replicate, fal.ai, and other platforms
✓ Flux Pro and Ultra for highest quality commercial output
✓ ControlNet support for composition guidance
✓ Fine-tuning support with LoRA for custom styles
✓ Active community with rapid ecosystem development
✓ Multiple resolution and aspect ratio support

Who Is It For?

Flux is ideal for developers and technical creators who want high-quality open source image generation, and for commercial users needing photorealistic output via API. Schnell is free for local use, Pro is available through API providers.

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