> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ninjachat.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# FLUX.1 Pro Ultra

> flux-1-pro-ultra — Ultra-high resolution up to 4MP. $0.08/image.

|              |                                                             |
| ------------ | ----------------------------------------------------------- |
| **Model ID** | `flux-1-pro-ultra`                                          |
| **Provider** | Black Forest Labs                                           |
| **Cost**     | \$0.08/img                                                  |
| **Tier**     | Premium                                                     |
| **Speed**    | \~8-15s                                                     |
| **Best for** | Ultra-high resolution, print materials, large-format output |

## Description

Black Forest Labs' ultra-high resolution model from the FLUX.1 family. Generates images up to 4 megapixels (2048x2048) with exceptional quality — ideal for print and large-format output.

## Features

* Ultra-high resolution (up to 4MP)
* Up to 2048x2048 output
* Exceptional quality
* Multiple aspect ratios
* Print-ready output

## Example

```bash theme={null}
curl -X POST https://www.ninjachat.ai/api/v1/images \
  -H "Authorization: Bearer nj_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "flux-1-pro-ultra", "prompt": "A sunset over mountains, photorealistic, ultra detailed"}'
```

```python theme={null}
import requests, os

r = requests.post("https://www.ninjachat.ai/api/v1/images",
    headers={"Authorization": f"Bearer {os.environ['NINJACHAT_API_KEY']}"},
    json={"model": "flux-1-pro-ultra", "prompt": "A sunset over mountains, photorealistic, ultra detailed"}
)
print(r.json()["images"][0]["url"])
```

***

**Guides:** [Image Generation](/image-generation) | [All Models](/models) | [Pricing](/pricing) | [Error Handling](/error-handling)