FLUX.1
5 models2024–2025
About
FLUX.1 is Black Forest Labs' flagship series of text-to-image models, launched in August 2024. Built on a hybrid architecture of rectified flow transformers and parallel diffusion transformer blocks with 12 billion parameters, the family includes Schnell (distilled, 1–4 steps), Dev (open-weight, guidance-distilled), Pro (commercial API), Pro 1.1 (improved quality), Pro 1.1 Ultra (high-resolution), and Kontext Pro (context-aware editing). FLUX.1 models set new benchmarks in visual quality, prompt adherence, and typography at launch.
Specifications(5 models)
| Model | Released | Parameters | Multimodal |
|---|---|---|---|
| FLUX.1 Kontext [pro] | 2025-05 | 12K | Yes |
| FLUX.1.1 [pro] Ultra | 2024-11 | 12K | Yes |
| FLUX.1.1 [pro] | 2024-10 | 12K | Yes |
| FLUX.1 [schnell] | 2024-08 | 12K | Yes |
| FLUX.1 [dev] | 2024-08 | 12K | Yes |
Available From(1 provider)
Frequently Asked Questions
- What is FLUX.1?
- FLUX.1 is Black Forest Labs' flagship series of text-to-image models, launched in August 2024. Built on a hybrid architecture of rectified flow transformers and parallel diffusion transformer blocks with 12 billion parameters, the family includes Schnell (distilled, 1–4 steps), Dev (open-weight, guidance-distilled), Pro (commercial API), Pro 1.1 (improved quality), Pro 1.1 Ultra (high-resolution), and Kontext Pro (context-aware editing). FLUX.1 models set new benchmarks in visual quality, prompt adherence, and typography at launch.
- How many models are in the FLUX.1 family?
- The FLUX.1 family contains 5 models.
- What is the latest FLUX.1 model?
- The latest model is FLUX.1 Kontext [pro], released in 2025-05.