The brief

Analyst view

• Raised $300M Series B at $3.25B in Dec 2025, led by Salesforce Ventures and AMP with a16z, NVIDIA, Temasek.
• Meta signed $140M multi-year contract Sep 2025; total partnerships exceed $400M with Adobe, Canva, Snap, Deutsche Telekom.
• FLUX.3 released Jul 2026: multimodal model for images, videos up to 20 seconds with audio, and robotic action prediction.

Technical approach

As reported

Architecture

Flow matching instead of diffusion

FLUX uses flow matching with transformers and Mistral's vision model, enabling efficient hardware use and fast generation.

Editions

Three model variants

Open-source version on GitHub for community use, FLUX [pro] optimizing output quality, and FLUX [flex] prioritizing speed over quality.

Adoption

Millions of users

FLUX image generators have been adopted by millions of users across creative, development and enterprise applications.