Video
LTX 2.3 Fast
Plan a continuous shot from a scene description with LTX 2.3 Fast.
- Text to video
- Image to video
Sign in to create. Review the credit cost in the studio before running.
Catalog preview for LTX 2.3 Fast. Review your own result before publishing.
A starting point.
Plan a continuous shot from a scene description with LTX 2.3 Fast. Give the subject one action that fits the duration.
Before you publish.
Watch for object continuity, camera jumps and distorted movement. Review sound when present and record the actual duration.
Review the quote before running. A failed generation releases its reserved credits. Download the results you want to keep; stored media is retained for 30 days.
Settings and model questionsCheck the available settings and guidance when preparing your input.
Inputs and settings
This text-to-video operation requires prompt. Choose aspect_ratio, duration, resolution and fps; use the separate image-to-video mode for a source photo.
Durations above 10 seconds require 25 FPS and 1080p. Choose a supported combination before requesting a quote, rather than treating duration, frame rate and resolution as independent.
Inputs, all modes and APIModel IDs, current input limits and the API generation workflow.
Supported inputs
These fields come from the current studio form for ltx-2.3/text-to-video/fast. Other modes may require different inputs.
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
prompt | Text | Required | Min. characters: 1 · Max. characters: 5000 |
aspect_ratio | Text | Optional | 16:9, 9:16 |
duration | Whole number | Optional | 6, 8, 10, 12, 14, 16, 18, 20 |
fps | Whole number | Optional | 24, 25, 48, 50 |
resolution | Text | Optional | 1080p, 1440p, 2160p |
Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.
Other modes and their inputs
Open the operation you need and check its inputs. Settings from one mode do not automatically apply to another.
Image to videoltx-2.3/image-to-video/fast
Supported inputs
These fields come from the current studio form for ltx-2.3/image-to-video/fast. Other modes may require different inputs.
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
image_url | Text | Required | — |
prompt | Text | Required | Min. characters: 1 · Max. characters: 5000 |
aspect_ratio | Text | Optional | auto, 16:9, 9:16 |
duration | Whole number | Optional | 6, 8, 10, 12, 14, 16, 18, 20 |
end_image_url | Text | Optional | — |
fps | Whole number | Optional | 24, 25, 48, 50 |
resolution | Text | Optional | 1080p, 1440p, 2160p |
Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.
Use LTX 2.3 Fast through the API.
Start with this model ID for the endpoint featured on this page:
ltx-2.3/text-to-video/fast
Input requirements belong to this model ID. Check a different mode’s schema separately when switching modes.
Available modes
- text-to-video ·
ltx-2.3/text-to-video/fast - image-to-video ·
ltx-2.3/image-to-video/fast
Check the current model schema for supported inputs and options. Other tasks may use different model IDs.
From quote to result.
Request a credit quote for your input and settings before submitting a generation. A sample output or the price of another model is not a quote for your request.
Follow the generation workflow, then poll the job for its status and result. The API and studio use the same balance.