Technical Specifications of flux-pro-1-1
| Specification | Details |
|---|---|
| Model ID | flux-pro-1-1 |
| Provider / upstream model | Black Forest Labs FLUX1.1 [pro] |
| Model type | Text-to-image generation model |
| Primary modality | Text input → image output |
| Positioning | Black Forest Labs’ “most advanced and efficient” FLUX release at launch, designed for fast, high-quality image generation |
| Core strengths | Prompt following, visual quality, image detail, output diversity, and fast inference |
| Speed claim | Up to 6× faster generation than its predecessor according to Black Forest Labs’ launch announcement |
| High-resolution capability | Black Forest Labs announced native fast ultra high-resolution generation up to 2K; current docs also position the broader FLUX1.1 family for high-resolution workflows |
| API availability | Available through the BFL API and partner platforms such as Replicate and fal.ai; Black Forest Labs has also listed additional partner availability over time |
| Typical use cases | Creative generation, marketing visuals, concept art, product imagery, and scalable app integration for text-based image generation |
What is flux-pro-1-1?
flux-pro-1-1 is CometAPI’s platform identifier for Black Forest Labs’ FLUX1.1 [pro], a premium text-to-image model built for fast, reliable, high-quality image generation from natural language prompts. Black Forest Labs describes it as the best-performing FLUX variant in its generation, emphasizing strong prompt adherence, sharp image detail, visual diversity, and production-friendly speed.
Compared with the earlier FLUX.1 [pro], FLUX1.1 [pro] was launched as a substantial upgrade in efficiency and output quality. Black Forest Labs states that it delivers much faster rendering while also improving image quality, prompt following, and diversity, making it well suited for developers and businesses that need scalable image generation in applications and pipelines.
In practical terms, flux-pro-1-1 is a strong fit when you want premium text-to-image performance without sacrificing turnaround time. It is especially useful for workflows where both creative quality and API responsiveness matter, such as automated asset generation, design ideation, and user-facing image features.
Main features of flux-pro-1-1
- High-quality text-to-image generation: Designed to transform text prompts into polished, visually strong images with consistent quality across a wide range of styles and subjects.
- Strong prompt adherence: Black Forest Labs highlights top-tier prompt following, helping the model stay faithful to requested subjects, compositions, and stylistic instructions.
- Fast inference for production use: One of the model’s main advantages is speed, with Black Forest Labs stating up to 6× faster generation than the prior FLUX.1 [pro], enabling quicker iteration cycles and lower latency workflows.
- Detailed and diverse outputs: The model is positioned for high image detail and output diversity, which is valuable for creative exploration, campaign asset generation, and concept development.
- Scalable API deployment: Black Forest Labs introduced it alongside broader API availability, explicitly targeting developers, businesses, and enterprise integrations.
- Suitable for high-resolution workflows: Black Forest Labs announced support aimed at fast ultra high-resolution generation, making the model attractive for use cases that need larger and more presentation-ready images.
- Ecosystem and partner access: Beyond direct API use, the model has been distributed through multiple ecosystem partners, which signals broad adoption and flexible deployment options.
How to access and integrate flux-pro-1-1
Step 1: Sign Up for API Key
To get started, sign up on CometAPI and create an API key from your dashboard. Once you have your key, store it securely and use it to authenticate every request to the flux-pro-1-1 API.
Step 2: Send Requests to flux-pro-1-1 API
Use CometAPI's Flux-compatible endpoint at POST /flux/v1/{model}.
curl https://api.cometapi.com/flux/v1/flux-pro-1-1 \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $COMETAPI_API_KEY" \
-d '{
"prompt": "A breathtaking landscape painting with golden hour lighting",
"width": 1024,
"height": 768,
"steps": 20,
"prompt_upsampling": true
}'
Step 3: Retrieve and Verify Results
The API returns a task ID. Poll GET /flux/v1/get_result?id={task_id} to check generation status and retrieve the output image when complete.