LTX 2.5 Pro, LTX 2.5 Fast and LTX 2.3
Lightricks' LTX family is the open-weight line among the video models here: LTX 2.5's weights are published under the LTX-2.x Community License, free for organizations under $10 million a year in revenue. On fal it comes in hosted Pro and Fast tiers. This page links to LTX 2.3 Pro, tested at 1080p, and to LTX 2.5 Pro and Fast, both tested at 720p with audio. Endpoint-specific duration and pricing take precedence over broader family descriptions.
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Which one to pick
LTX 2.5 Pro
$0.12 per second at 720p via fal
People and camera moves: the liveliest speaker and a stock-footage harbour in our run, at $0.12 a second at 720p.
LTX 2.5 Fast
$0.09 per second at 720p via fal
Longer or 4K LTX clips, and cheaper drafts at $0.09 a second at 720p.
LTX 2.3
$0.08 per second at 1080p via fal
The earlier Pro model, $0.08 a second at 1080p.
Side by side, measured
| Model | Price | Seconds to make one clip | Cost of its fixed set | Length |
|---|---|---|---|---|
| LTX 2.5 Pro | $0.12 per second at 720p via fal | 47 to 143 | $6.48 9 clips | 6, 8 or 10 seconds, or auto; there is no five-second option, so our clips are six |
| LTX 2.5 Fast | $0.09 per second at 720p via fal | 47 to 137 | $4.86 9 clips | 6 to 20 seconds in two-second steps, or auto, at 24 or 25 fps; 48 and 50 fps stop at 10 seconds |
| LTX 2.3 | $0.08 per second at 1080p via fal | 54 to 73 | $4.32 9 clips | 6, 8 or 10 seconds on the tested Pro endpoint |
Seconds and cost are from our own runs of each model's fixed set: the same 9 clips for every model that makes clips from a prompt. Open a model for every clip and the request behind it.
Every version
| Version | Released | What changed |
|---|---|---|
| LTX 2.3 fal-ai/ltx-2.3/text-to-video | Date not verified | LTX 2.3 is Lightricks’ video model. We test the Pro text-to-video and image-to-video endpoints on fal, at 1080p with native audio. The current Pro schema accepts 6, 8 or 10 seconds, despite broader family marketing describing longer clips. |
| LTX 2.5 Pro lightricks/ltx-2.5/text-to-video/pro | Date not verified | The quality tier of LTX 2.5, Lightricks' open-weight audio and video model: 6, 8 or 10 seconds at 720p or 1080p, $0.12 a second at 720p on fal. |
| LTX 2.5 Fast lightricks/ltx-2.5/text-to-video/fast | Date not verified | The speed tier: 6 to 20 seconds at up to 4K, $0.09 a second at 720p. Not quicker than Pro in our batch. |
Frequently asked questions
Are these vendor demonstration images?
No. The linked model pages show our recorded requests and the files returned, with failures retained and costs identified as published-rate estimates.
Can I run LTX locally?
Yes. Lightricks publishes LTX 2.5 weights on Hugging Face under the LTX-2.x Community License, free for organizations under $10 million in annual revenue and paid above that. The fal Pro and Fast tiers are hosted endpoints.
Can LTX spell on-screen text?
Not on our title card. LTX 2.3 Pro, 2.5 Pro and 2.5 Fast all garbled 'MODA SUMMER SESSIONS'.