fal-train
Train custom LoRA models on fal.ai for personalized AI generation.
Scripts
Script Purpose
train.sh
Submit a LoRA training job
Usage
Train Image LoRA (Style/Subject/Person)
./scripts/train.sh --images-url "https://example.com/training-images.zip" --trigger-word "sks style" --model fal-ai/flux-lora-fast-training
Train Portrait LoRA
./scripts/train.sh --images-url "https://example.com/face-photos.zip" --trigger-word "ohwx person" --model fal-ai/flux-lora-portrait-trainer
Check Training Status
./scripts/train.sh --status --endpoint fal-ai/flux-lora-fast-training --request-id "abc123"
Arguments
Argument Description Required
--images-url
URL to zip of training images Yes
--trigger-word
Word to activate the LoRA in prompts Yes
--model / -m
Training model endpoint No (default: fal-ai/flux-lora-fast-training)
--steps
Training steps No (default: 1000)
--status
Check training job status No
--endpoint
Endpoint for status check With --status
--request-id
Request ID for status check With --status
--param
Extra param as key=value (repeatable) No
Finding Models
To discover the best and latest training/LoRA models, use the search API:
Search for LoRA training models
bash /mnt/skills/user/fal-generate/scripts/search-models.sh --query "lora training" bash /mnt/skills/user/fal-generate/scripts/search-models.sh --query "trainer" bash /mnt/skills/user/fal-generate/scripts/search-models.sh --query "fine-tune"
Or use the search_models MCP tool with keywords like "lora", "training", "trainer", "fine-tune".
Training Data Tips
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People: 10-20 photos, varied angles/lighting/expressions, consistent person
-
Styles: 10-15 images exemplifying the style, diverse subjects
-
Objects: 5-15 photos from different angles on various backgrounds
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Images should be high quality, at least 512x512
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Zip all images into a single .zip file and host at a URL
Output Format
{ "diffusers_lora_file": { "url": "https://fal.media/files/.../lora.safetensors", "content_type": "application/octet-stream", "file_name": "lora.safetensors", "file_size": 12345678 }, "config_file": { "url": "https://fal.media/files/.../config.json" } }
Use the diffusers_lora_file.url as the lora_url parameter when generating images with FLUX models.