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Flux
AICores
Open-source AI image model from Black Forest Labs. The new Stable Diffusion.
112 reviews
Free tierHas API
Flux is the new king of open-source image generation. Quality rivals Midjourney for many prompts, hands actually look right, and the Apache 2.0 license allows unrestricted commercial use. If you have the technical chops to run it, Flux is free, fast, and phenomenally capable.
What's great
- Quality rivals closed-source models like Midjourney for many use cases
- Apache 2.0 license allows unrestricted commercial use
- Dramatically better anatomy and hand rendering than Stable Diffusion
Watch out for
- Requires technical knowledge to self-host and configure
- Ecosystem is younger and smaller than Stable Diffusion
- Needs a powerful GPU (12GB+ VRAM) for local generation
Quick Facts
Founded2024
PricingFrom ~$0.003/image (cloud API)
Free tierYes
Platformswindows, linux, mac
APIAvailable
CategoryAI Image & Design
Q: What is Flux?
Flux, from Black Forest Labs (founded by former Stability AI researchers), has rapidly become the most capable open-source image generation model. Flux Dev and Flux Schnell offer quality that rivals closed-source models while remaining free for commercial use.
Q: How much does Flux cost?
Flux starts at ~$0.003/image (cloud API). A free tier is available with Free (self-hosted, unlimited).
Q: Who is Flux best for?
Flux is best for developers and creators who want state-of-the-art open-source image generation..
Q: Is Flux free?
Yes, Flux is completely free and open source.
Best for
Developers and creators who want state-of-the-art open-source image generation.
Not ideal for
Non-technical users who want a simple web interface — use Leonardo AI or Ideogram instead.
Free
Free (self-hosted, unlimited)
Starter
~$0.003/image (cloud API)
Enterprise
Flux Pro API (custom pricing)
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AICores Editorial Review
Reviewed by AICores Editorial Team
Last updated: May 2026
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