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Flux
Open-source image generation model with state-of-the-art quality from Black Forest Labs.
Overview
Flux is an open-source image generation model from Black Forest Labs (founded by ex-Stability AI researchers). It rivals Midjourney and DALL-E in quality while being fully open source. Available in multiple versions: Flux.1 Pro, Dev, and Schnell (fast).
Strengths
- Open-source with self-hosting option
- Image quality rivaling closed-source leaders
- Multiple model sizes for different speed/quality tradeoffs
- No per-image subscription — self-host for free
Weaknesses
- Self-hosting requires powerful GPU hardware
- API pricing through partners can add up
- Less polished UI than Midjourney's Discord experience
- Rapidly evolving — documentation can lag behind releases
Quick info
- Category
- AI Image Generation
- Starting price
- Free (open-source)
- Free tier
- Fully free
- Open source
- Yes
- Founded
- 2024
Last updated 2026-04-12
Top alternatives to Flux
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DALL-E
Free tier
OpenAI's image generation model that creates images from natural language descriptions.
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Open-source image generation model that can run locally or in the cloud.
Flux comparisons
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DALL-E vs Flux
Flux is the free option; DALL-E charges $0.04/image but may offer more polish. Here is how they compare.
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Stable Diffusion vs Flux
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Leonardo.ai vs Flux
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Ideogram vs Flux
Flux gives you open source and self-hosting; Ideogram is a managed service. Which trade-off works for you?
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Flux vs Flux
Flux is built for creators wanting the latest open-source image models. Flux is built for developers and creators who want top-tier image generation they can self-host. Pick the one that fits.
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Adobe Firefly vs Flux
Flux gives you open source and self-hosting; Adobe Firefly is a managed service. Which trade-off works for you?
More AI Image Generation tools
DALL-E
OpenAI's image generation model that creates images from natural language descriptions.
Stable Diffusion
Open-source image generation model that can run locally or in the cloud.
Leonardo.ai
AI image generation platform with fine-tuned models for game assets and creative content.
Ideogram
AI image generator known for accurate text rendering in generated images.
Flux
State-of-the-art open-source image generation model from Black Forest Labs.
Adobe Firefly
Adobe's AI image generator trained on licensed content for commercial use.
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