Schedulers

Control how noise is scheduled during denoising.

Available Schedulers

Scheduler	Family	Characteristics
`simple`	FLUX	Default, fast, consistent
`normal`	FLUX	Beta schedule variant
`sgm`	FLUX	Stable diffusion style

Usage

curl -X POST "https://sync.render.weyl.ai/image/flux/dev/t2i?format=1024" \
  -H "Authorization: Bearer $WEYL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "portrait",
    "scheduler": "simple",
    "steps": 25
  }' \
  -o output.webp

Scheduler Guide

`simple` (Default)

Best for: Most use cases
Characteristics:

Linear noise schedule
Predictable behavior
Fast convergence

Recommended steps: 20-30

`normal`

Best for: Alternative beta scheduling
Characteristics:

Beta-based schedule
Slightly different aesthetic

Recommended steps: 25-35

`sgm`

Best for: Stable Diffusion compatibility
Characteristics:

Matches SD-style scheduling
Useful for LoRA trained on SD

Recommended steps: 30-40

Model Defaults

FLUX Dev2/Dev: simple
FLUX Schnell: simple (fixed)
Z-Image: Custom (not configurable)