Flux
Flux is a text-to-image AI model family by Black Forest Labs (founded by original Stable Diffusion creators), known for prompt accuracy, text rendering, and photorealistic quality.
June 18, 2026
Flux is a family of text-to-image AI models developed by Black Forest Labs, known for high prompt adherence, strong text rendering, and photorealistic output. It is a leading alternative to Stable Diffusion.
How it works
Flux uses a diffusion-based architecture (like Stable Diffusion) but with significant architectural improvements in attention mechanisms and text encoding. These improvements give it better understanding of complex, multi-subject prompts and the ability to render short text strings legibly — a long-standing weakness in earlier image models.
Why it matters
Flux represents the state of the art in open-weights image generation. Its strengths in prompt adherence mean that detailed descriptions translate more faithfully to the output, reducing the need for multiple generations and prompt tweaking. Its text rendering capability makes it useful for logos, posters, and memes where text is part of the image.
Flux variants
- Flux Schnell — a fast, distilled version optimized for speed, producing images in fewer steps.
- Flux Dev — the full-quality model for the best possible output, at the cost of longer generation time.
- Flux Pro — the commercial version with the highest quality and additional features.
In eaxy
Eaxy selects the best-fit model for each generation, including Flux variants where their strengths in prompt adherence and text rendering are most valuable. The selection happens automatically based on your prompt, style pack, and output requirements.
Related terms
Preguntas frecuentes
What is Flux AI?+
Flux is a family of text-to-image AI models developed by Black Forest Labs, a company founded by the original creators of Stable Diffusion. It is known for strong prompt adherence, good text rendering, and high photorealistic quality.
Is Flux better than Stable Diffusion?+
Flux generally outperforms Stable Diffusion in prompt adherence and text rendering, but Stable Diffusion has a larger ecosystem of community models, LoRAs, and control tools. Eaxy uses best-fit models including Flux where it excels.
Can Flux render text in images?+
Yes. Flux is one of the better image models for rendering legible text inside generated images, though longer phrases can still produce errors. For clean typography, generating the image without text and adding it in post remains the most reliable approach.
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