Flux
Foundation Models · Free
Black Forest Labs' state-of-the-art image generation model
At a glance
- Made by
- Black Forest Labs
- Korean
- None (English and a few others only)
- API
- Yes
- Available on
- Web, API
- Open source
- Open weights (non-commercial license; paid license for commercial use)
What is Flux?
FLUX models generate and edit images and video, create synchronized audio, and are also used for robot control. The latest FLUX 3 combines image, video, audio, and action prediction into one multimodal model. You can use it via API, download the open weights to fine-tune and deploy on your own infrastructure, or try it right away in a browser playground. The API is pay-as-you-go: you pay only for what you generate, with no subscription.
- Generate up to 20-second video from text, images, and keyframes
- Simultaneous multilingual speech and sound effects audio generation
- Image generation with accurate text rendering
- Robot action prediction (FLUX 3 Action)
- Image editing tools (outpainting, erasing, virtual try-on)
- Self-hosted deployment and fine-tuning of open weights
- Browser playground
Who uses Flux and for what
- Developers integrate image and video generation into their products via API
- Generating synthetic data for AI training
Pricing
| Plan | Price | Main limits |
|---|---|---|
| API pay-as-you-go (calculator default) | $0.048 | $0.048 per image (calculator default display value), no subscription or seat fees |
| Open Weights Builder | Contact sales | FLUX.2 [klein] model, 10,000 images/month, 1 domain, 10 users — no price shown (Purchase) |
| Open Weights Platform | Contact sales | FLUX.2 [klein] 9B + [dev], 100,000 images/month, 1 domain — no price shown (Purchase) |
| Open Weights Professional | Contact sales | FLUX.2 [dev], 100,000 images/month, up to 3 domains — contact sales |
| Enterprise | Contact sales | Custom volume and API + weights bundle pricing — contact sales |
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying. · Official pricing page
AI tools similar to Flux (alternatives)
Flux vs. alternatives at a glance
| AI | Pricing | Combos on the map | Connected tools | Free | Cheapest monthly | Korean |
|---|---|---|---|---|---|---|
| Flux | Free | 0 | 2 | Yes | — | No |
| Stable Diffusion | Free | 0 | 2 | — | — | No |
1 of these 2 tools have a free plan.
Combo and connection counts are based on the relationships recorded on AI Galaxy Map (2026-10-26); they are not a quality ranking.
Flux on AI Galaxy Map
- One of 60 AI tools in the Foundation Models field.
- Connected to 2 other tools — #58 in its field.
Frequently asked questions
Can I use Flux for free?
API pay-as-you-go (calculator default) $0.048, Open Weights Builder Contact sales/mo, Open Weights Platform Contact sales/mo, Open Weights Professional Contact sales/mo, Enterprise Contact sales. Prices can change, so check the official site before paying.
What AI can I use instead of Flux?
Tools that do the same job, such as Stable Diffusion, DALL-E, are connected to it on the map.
Can I use Flux in Korean?
None (English and a few others only)
Sources (official pages)
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying.