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Actionfal.aiUpdated June 2026

How do I run a fal.ai model?

Short answer: You can run fal.ai model in fal.ai by hand from its own interface, but it won’t repeat itself. On TinyCommand, add the fal.ai Run fal.ai Model action to a workflow, map its 4 inputs from any upstream app, and it runs automatically every time the trigger fires. No code, and a free tier to start.

Run fal.ai Model in fal.ai — start free All 1 fal.ai actions
Run fal.ai Model in fal.ai — start free
Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

FieldTypeRequiredDescription
Model ID
model_id
stringRequiredfal model id
Prompt
prompt
stringRequiredPrompt (required)
Image Size
image_size
stringOptionalImage Size
Num Images
num_images
stringOptionalNum Images
Sample request
{
  "model_id": "e.g. fal-ai/flux/schnell, fal-ai/flux-pro/v1.1, fal-ai/runway-gen3",
  "prompt": "{{trigger.prompt}}",
  "image_size": "{{trigger.image_size}}",
  "num_images": "{{trigger.num_images}}"
}
Returns
{
  "status": "IN_QUEUE",
  "request_id": "req-abc123",
  "status_url": "https://...",
  "response_url": "https://..."
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Run fal.ai Model.

Any of these apps can fire this action as part of a workflow.

Gmail → fal.ai
1 Gmail triggers
Slack → fal.ai
13 Slack triggers
Google Sheets → fal.ai
2 Google Sheets triggers
HubSpot → fal.ai
18 HubSpot triggers
FAQ

Questions about Run fal.ai Model.

What does the Run fal.ai Model action do in fal.ai?
Submits an inference request to fal.ai's queue (fast cold starts on diffusion models). Returns a request ID immediately; poll the status endpoint or configure a webhook for completion. For image/video/audio generation workflows where latency matters.
What inputs does Run fal.ai Model require?
Required: Model ID, Prompt. Every input accepts a static value or a variable from any upstream node in your workflow.
Can I use dynamic inputs from earlier workflow nodes?
Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.
What happens if fal.ai returns an error?
The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.
Does Run fal.ai Model support batch operations?
Yes. Run Run fal.ai Model inside a Loop node to process arrays. TinyCommand handles fal.ai's rate limits automatically so you don't have to throttle manually.
Run fal.ai Model in fal.ai — start free