FLUX Image Generation

Generate images with FLUX models via inference.sh CLI.

Quick Start

Requires inference.sh CLI (belt ). Install instructions

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

belt app run falai/flux-dev-lora --input '{ "prompt": "professional product photo of headphones, studio lighting, white background" }'

Fast Generation (Klein)

belt app run falai/flux-2-klein-lora --input '{"prompt": "abstract art, colorful"}'

With LoRA Custom Styles

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

belt app run falai/flux-dev-lora --input '{ "prompt": "transform to watercolor style", "image_url": "https://your-image.jpg" }'

For Other Image Tasks

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

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 list

Documentation

• Running Apps - How to run apps via CLI

• Image Generation Example - Complete image generation guide

• Streaming Results - Real-time progress updates