flux-image
Generate images with FLUX models (Black Forest Labs) via inference.sh CLI. Models: FLUX Dev LoRA, FLUX.2 Klein LoRA with custom style adaptation. Capabilities: text-to-image, image-to-image, LoRA fine-tuning, custom styles. Triggers: flux, flux.2, flux dev, flux schnell, flux pro, black forest labs, flux image, flux ai, flux model, flux lora
What this skill does
> **Install the belt CLI skill:** `npx skills add belt-sh/cli`
# FLUX Image Generation
Generate images with FLUX models via [inference.sh](https://inference.sh) CLI.

## Quick Start
> Requires inference.sh CLI (`belt`). [Install instructions](https://raw.githubusercontent.com/inference-sh/skills/refs/heads/main/cli-install.md)
```bash
belt login
belt app run falai/flux-dev-lora --input '{"prompt": "a futuristic city at night"}'
```
## FLUX Models
| Model | App ID | Speed | Quality | Use Case |
|-------|--------|-------|---------|----------|
| FLUX Dev LoRA | `falai/flux-dev-lora` | Medium | Highest | Production, custom styles |
| FLUX.2 Klein LoRA | `falai/flux-2-klein-lora` | Fastest | Good | Fast iteration, 4B/9B sizes |
| **FLUX Dev (Pruna)** | `pruna/flux-dev` | Fast | High | Optimized, speed modes |
| **FLUX Dev LoRA (Pruna)** | `pruna/flux-dev-lora` | Fast | High | LoRA with optimization |
| **FLUX Klein 4B (Pruna)** | `pruna/flux-klein-4b` | Fastest | Good | Ultra-cheap ($0.0001/img) |
## Examples
### High-Quality Generation
```bash
belt app run falai/flux-dev-lora --input '{
"prompt": "professional product photo of headphones, studio lighting, white background"
}'
```
### Fast Generation (Klein)
```bash
belt app run falai/flux-2-klein-lora --input '{"prompt": "abstract art, colorful"}'
```
### With LoRA Custom Styles
```bash
belt app sample falai/flux-dev-lora --save input.json
# Edit to add lora_url for custom style
belt app run falai/flux-dev-lora --input input.json
```
### Image-to-Image
```bash
belt app run falai/flux-dev-lora --input '{
"prompt": "transform to watercolor style",
"image_url": "https://your-image.jpg"
}'
```
## For Other Image Tasks
```bash
# Image editing with natural language
belt app run falai/reve --input '{"prompt": "change background to beach"}'
# Upscaling
belt app run falai/topaz-image-upscaler --input '{"image_url": "https://..."}'
```
## Related Skills
```bash
# Full platform skill (all 250+ apps)
npx skills add inference-sh/skills@infsh-cli
# Pruna P-Image (fast & economical)
npx skills add inference-sh/skills@p-image
# All image generation models
npx skills add inference-sh/skills@ai-image-generation
# Upscaling
npx skills add inference-sh/skills@image-upscaling
```
Browse all apps: `belt app store`
## Documentation
- [Running Apps](https://inference.sh/docs/apps/running) - How to run apps via CLI
- [Image Generation Example](https://inference.sh/docs/examples/image-generation) - Complete image generation guide
- [Streaming Results](https://inference.sh/docs/api/sdk/streaming) - Real-time progress updates
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