managarten/apps/picture/docs/models/flux-schnell.md
Wuesteon d36b321d9d style: auto-format codebase with Prettier
Applied formatting to 1487+ files using pnpm format:write
  - TypeScript/JavaScript files
  - Svelte components
  - Astro pages
  - JSON configs
  - Markdown docs

  13 files still need manual review (Astro JSX comments)
2025-11-27 18:33:16 +01:00

2.4 KiB

FLUX Schnell

Overview

FLUX Schnell (German for "fast") is Black Forest Labs' speed-optimized image generation model. It delivers high-quality results in record time while maintaining the artistic excellence of the FLUX model family. With the lowest cost per generation at just $0.003, it's the most economical choice for high-volume projects.

Model Details

  • Provider: Black Forest Labs
  • Replicate ID: black-forest-labs/flux-schnell
  • Version: Latest stable version

Key Features

  • Ultra-Fast Generation: One of the fastest models available
  • Consistent Quality: Maintains high quality despite speed
  • Prompt Adherence: Excellent understanding of prompt instructions
  • Efficient Processing: Low computational requirements

Default Parameters

  • Resolution: 1024x1024
  • Steps: 4 (optimized for speed)
  • Guidance Scale: 3.5
  • Supports Negative Prompts: Yes
  • Supports Seed: Yes

Supported Aspect Ratios

11 aspect ratios:

  • Square: 1:1
  • Landscape: 4:3, 3:2, 5:4, 16:9, 21:9
  • Portrait: 3:4, 2:3, 4:5, 9:16, 9:21

Supported Resolutions

  • Megapixel Options: 0.25 MP (fast) or 1 MP (standard)
  • Automatically calculated based on aspect ratio
  • All dimensions must be multiples of 32

Best Use Cases

  • Rapid prototyping and iteration
  • Real-time applications
  • High-volume generation needs
  • Quick concept visualization
  • Testing prompt variations

Example Prompts

  1. "A minimalist logo design for a tech startup, geometric shapes, blue and white"
  2. "Portrait of a robot chef cooking in a futuristic kitchen"
  3. "Abstract art piece with flowing colors representing music and rhythm"

Tips for Best Results

  • Keep prompts clear and concise for speed
  • Use simple, direct descriptions
  • Ideal for iterative workflows
  • Great for A/B testing different concepts
  • Perfect for time-sensitive projects

Strengths

  • Cheapest model available ($0.003 per generation)
  • Extremely fast generation (~5 seconds)
  • Reliable and consistent
  • Good general-purpose model
  • Excellent for rapid iteration
  • Perfect for high-volume/budget-conscious projects

Limitations

  • May sacrifice some fine details for speed
  • Best for standard styles rather than highly specialized ones

Cost

$0.003 per generation (~333 images for $1)

The most cost-effective model available - over 6x cheaper than most alternatives!