fal-nano-banana-2-image-gen

Required inputs

• --prompt "..." (required)
• workers.jsonc with fal.key (required)

Optional inputs

• Output sizes / aspect ratios:
  • --image-size <preset> (repeatable) or --sizes a,b,c (comma-separated presets)
  • --size <WxH> (repeatable pixel-size hint; sent as { width, height } when supported)
• --negative-prompt, --seed, --num-images, and other model parameters:
  • --param key=value (repeatable; supports dot-paths for nesting)
  • --body-json path/to/body.json (merge arbitrary JSON into the request body)

Workflow

1. Prepare inputs