LTX-2.5 Fast API
LTX-2.5 Fast from $0.18/sec — Lightricks video up to 4K with audio and camera-movement control.
Lightricks' LTX-2.5 in fast mode. 6, 8, or 10 second clips at 720p up to 4K with audio, camera-movement presets, and first/last-frame control — from $0.18 per second.
No credit card required. Takes 30 seconds.
LTX-2.5 Fast API pricing
Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated November 1, 2026.
| Billing | Price |
|---|---|
| Rate (720p) | $0.18/sec |
| Rate (1080p) | $0.26/sec |
| Rate (2K) | $0.38/sec |
| Rate (4K) | $0.60/sec |
| What it costs | Per job |
|---|---|
| 5-second clipfrom lowest resolution | $0.90 |
| 10-second clipfrom lowest resolution | $1.80 |
| 100 × 5-second clipsan ad-creative batch | $90.00 |
2,400+
Developers
1.2M+
API calls served
100+
Endpoints
$0.01
Per call
Yep, that's it.
Try it live
Enter a prompt and generate a video with LTX-2.5 Fast.
Drop image or click to upload
For image-to-video (first/last frame)
LTX-2.5 Fast specs
| Provider | Lightricks |
|---|---|
| Model ID | lightricks/ltx-2.5-fast |
| Endpoint | /v1/media/queue |
| Type | Video Generation |
| Resolutions | 720p, 1080p, 2k, 4k |
| Aspect ratios | 16:9, 9:16 |
| Durations | 6, 8, 10 seconds |
| Audio | Generated with the video |
| Image input | Yes |
How to get a LTX-2.5 Fast API key
- 1
Create a free account
Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.
- 2
Create an API key
Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.
- 3
Call LTX-2.5 Fast
Send a request to /v1/media/queue with the x-api-key header and model "lightricks/ltx-2.5-fast".
- 4
Pay as you go
Usage is billed per request from your balance. Top up any amount; there is no subscription.
Strengths
$0.18/sec at 720p, $0.26/sec at 1080p, $0.38/sec at 2K, and $0.60/sec at 4K, with audio included.
Set `camera_movement` and `fps` in `options.params` to direct the shot instead of describing it in the prompt.
A synced audio track is generated by default at no extra charge; send `generateAudio: false` to skip it.
Start from an uploaded image, or set it as the last frame to land the shot on a chosen composition.
Quick start
Copy this snippet and start making calls with LTX-2.5 Fast.
// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "lightricks/ltx-2.5-fast",
"prompt": "A slow dolly-in on a ceramicist shaping a bowl on a spinning wheel, clay-streaked hands, afternoon light through a dusty studio window",
"options": {
"aspectRatio": "16:9",
"resolution": "1080p",
"duration": "6"
}
}),
});
const { data } = await res.json();
const jobId = data.jobId;
// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }LTX-2.5 Fast vs similar models
Every model below runs on the same API key — switch by changing the model ID.
| Model | Provider | Price |
|---|---|---|
| LTX-2.5 Fast | Lightricks | from $0.18/sec (720p), $0.26/sec (1080p), $0.38/sec (2K), $0.60/sec (4K) |
| LTX-2.5 Pro | Lightricks | from $0.24/sec (720p), $0.34/sec (1080p) |
| Seedance 1.0 Pro Fast | ByteDance | from about $0.02/sec (480p), about $0.04/sec (720p), about $0.10/sec (1080p) |
| Grok Imagine Video 1.5 Lite | xAI | from $0.04/sec (480p) |
| HeyGen Video | HeyGen | from $0.04/sec (480p) |
| PixVerse V6 | PixVerse | from $0.044/sec (360p), $0.06/sec (540p), $0.078/sec (720p), $0.154/sec (1080p); with audio (default) $0.06–$0.196/sec |
| Seedance 1.0 Pro | ByteDance | from about $0.05/sec (480p), about $0.10/sec (720p), about $0.24/sec (1080p) |
| Seedance 2.0 Mini | ByteDance | from about $0.07/sec (480p) |
Why use LTX-2.5 Fast through YepAPI?
LTX 2.5 API — Lightricks LTX-2.5 Fast video from $0.18/sec
LTX-2.5 is Lightricks' video generation model, and the Fast variant is tuned for turnaround while still reaching 4K. It produces 6, 8, or 10 second clips in 16:9 or 9:16 from a prompt or an image, with synced audio and first/last-frame conditioning.
On YepAPI you call it as `lightricks/ltx-2.5-fast` (alias `ltx`) on `/v1/media/queue`. Camera direction such as `camera_movement` and the frame rate `fps` go in `options.params`. Billed per second from $0.18 at 720p to $0.60 at 4K.
Start generating in 30 seconds
$5 free credit on signup. No credit card required. Pay per call.
What developers say
“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
Lightricks' LTX-2.5 in fast mode. 6, 8, or 10 second clips at 720p up to 4K with audio, camera-movement presets, and first/last-frame control — from $0.18 per second.
LTX-2.5 Fast costs from $0.18/sec (720p), $0.26/sec (1080p), $0.38/sec (2K), $0.60/sec (4K) through YepAPI, billed per request with no monthly fee. For example, a 5-second clip (from lowest resolution) costs about $0.90.
Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for LTX-2.5 Fast and every other model — no separate Lightricks account or waitlist.
New YepAPI accounts in most countries get free signup credit, enough to test LTX-2.5 Fast without a card. After that you pay per request at the rates above — there is no subscription.
Use "lightricks/ltx-2.5-fast" as the model on /v1/media/queue. The short alias "ltx" also works.
Ready to use LTX-2.5 Fast?
$5 free credit on signup. No credit card required. Pay per call.
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