Stable Image Ultra: Stability AI action

Inputs

The fields this action accepts.

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

Field	Type	Required	Description
Prompt prompt	string	Required	Prompt (required)
Negative Prompt negative_prompt	string	Optional	Negative Prompt
Aspect Ratio aspect_ratio	options	Optional	Aspect Ratio. Options: 1:1, 16:9, 9:16 …
Seed seed	string	Optional	0 (random)
Output Format output_format	options	Optional	Output Format. Options: PNG, JPEG, WEBP

Sample request

{
  "prompt": "{{trigger.prompt}}",
  "negative_prompt": "{{trigger.negative_prompt}}",
  "aspect_ratio": "{{trigger.aspect_ratio}}",
  "seed": "0 (random)",
  "output_format": "{{trigger.output_format}}"
}

Returns

{
  "seed": 12345,
  "image": "<base64>",
  "finish_reason": "SUCCESS"
}

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

FAQ

Questions about Stable Image Ultra.

What does the Stable Image Ultra action do in Stability AI?

Highest-quality Stable Diffusion variant. For hero marketing imagery and premium image-generation workflows that need peak quality.

What inputs does Stable Image Ultra require?

Required: 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 Stability 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 Stable Image Ultra support batch operations?

Yes. Run Stable Image Ultra inside a Loop node to process arrays. Tiny Command handles Stability AI's rate limits automatically so you don't have to throttle manually.

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