CheaperGen

Lightricks · 1 model

LTX API

Lightricks' LTX video models through one API: LTX-2.5. From $0.0285/s, up to 68% below official. Text and image to video, up to 1080p, clips up to 8 s, with audio.

Models
1
video
From
$0.0285/s
LTX-2.5
Below official
up to 68%
LTX-2.5
Failed runs
$0
refunded automatically

Lineup

LTX video model on CheaperGen

Starting price per second at each model's lowest tier, next to Lightricks' official price.

LTX API: video models, specs and prices. Select a column header to sort.
LTX-2.5
LightricksAPI pricingAPI cost
T2V · I2V
1080p
1–8 s
Included
$0.0285/s
720p
$0.09/s
up to 68%

Try it

Try the LTX models

Switch models with the tabs. Runs on your balance at the price on the button; failed runs are refunded.

Capabilities

LTX video capabilities

LTX video capabilities
FeatureLTX-2.5
Text to videoYes
Image to videoYes
Resolutions720p, 1080p
Clip length1–8 s
AudioIncluded
FramesFirst
ReleasedAug 2026

Quick start

Call the LTX API

One request shape for every LTX model: POST /v1/run/{endpoint} with your key, then poll the generation or pass a webhook_url. Switching models means changing the endpoint.

LTX endpoints
ModelEndpoint
LTX-2.5 · Text to Videolightricks/ltx-2.5/text-to-video
LTX-2.5 · Image to Videolightricks/ltx-2.5/image-to-video

LTX-2.5 · Text to Video

const API = "https://cheapergen.com/api/v1";
const headers = {
  Authorization: `Bearer ${process.env.CHEAPERGEN_API_KEY}`,
  "Content-Type": "application/json",
};

// 1. Submit the job
let job = await fetch(`${API}/run/lightricks/ltx-2.5/text-to-video`, {
  method: "POST",
  headers,
  body: JSON.stringify({
    "prompt": "A lighthouse keeper climbs a spiral staircase with a lantern as a storm hits the windows, thunder and rain",
    "resolution": "1080p",
    "duration": 6
  }),
}).then((r) => r.json());

// 2. Poll until it finishes (or pass webhook_url and skip polling)
while (job.status === "queued" || job.status === "running") {
  await new Promise((r) => setTimeout(r, 3000));
  job = await fetch(`${API}/generations/${job.id}`, { headers }).then((r) => r.json());
}

console.log(job.status === "succeeded" ? job.output.video.url : job.error);

Go deeper

Pricing, cost and docs for each LTX model

LTX-2.5

up to 68% below Official

FAQ

LTX API questions

LTX is Lightricks' family of AI video models. Through CheaperGen you call LTX-2.5 with one API key: POST /v1/run/{endpoint}, then poll the generation or receive a webhook. What each version does: LTX AI; the newest: LTX Latest.

LTX-2.5 starts at $0.0285/s, so a 5-second clip costs $0.15 — up to 68% below Lightricks' official price. Pay as you go from prepaid credits; failed generations are refunded.

Create a CheaperGen account, add credits and create a key in Dashboard → API keys. The same key runs every LTX model and the other 44 models in the catalog; you don't need a Lightricks account. Step by step: LTX-2.5 API key.

Yes. LTX-2.5 is Lightricks' open-weights model; CheaperGen provides API access to the open weights, run on GPU inference for open-source models, and doesn't own it.

LTX-2.5 generates synchronized audio at no extra cost. The highest resolution is 1080p (LTX-2.5).

LTX-2.5 is Lightricks' open-weights model; CheaperGen provides API access to the open weights, run on GPU inference for open-source models, and does not own it. Trademarks belong to their respective owners.