Lightricks · Video generation
LTX-2.5 Fast
The fast version of LTX-2.5, Lightricks' open video model. The official LTX API bills it by the second, at a price that depends on resolution. It generates audio by default.
Developer
Lightricks
Type
Video generation
Status
Active
Last confirmed
Sep 26, 2026
Next review Oct 26, 2026
Official specs
| Clip length | 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 seconds |
|---|---|
| What it can do | Text to video, Image to video, First/last frame |
| Highest resolution | 4K |
| Audio | Generates its own audio |
Official documentation: 6–20 seconds at 720p and 1080p (24 or 25 frames per second), 6, 8 or 10 seconds otherwise; up to 4K.
From Lightricks's own page, confirmed on Sep 26, 2026. This is what the model can do; whether a given channel sells it, and at which settings, is in the prices below. Official spec page
Third-party blind-vote ranking
| Name on the leaderboard | Category | Rank | Elo score |
|---|---|---|---|
| LTX-2.5 Fast | With audio | #25 | 1055 |
| LTX-2.5 Fast | No audio | #16 | 1218 |
The text-to-video board of the Artificial Analysis Video Arena: people watch two clips, pick the better one without knowing which model made it, and the votes give an Elo score. The rank is the model's place in the board's default view (current models), and names are written as the board writes them; checked Sep 26, 2026. Scores move every week and are a guide to quality only. See the leaderboard ↗
Where it is available
None of the subscription tools this site tracks list it; for now it is sold only through the APIs below.
Pay-as-you-go API prices
| API provider | API model name | Resolution | Audio | Official price | Per second | Minimum per generation |
|---|---|---|---|---|---|---|
| LTX API | ltx-2-5-fast | 720p | With audio | $0.09/s | $0.090 | — |
| LTX API | ltx-2-5-fast | 1080p | With audio | $0.13/s | $0.130 | — |
| LTX API | ltx-2-5-fast | 1440p | With audio | $0.19/s | $0.190 | — |
| LTX API | ltx-2-5-fast | 4K | With audio | $0.30/s | $0.300 | — |
Prices as each provider's official pricing page states them, confirmed Sep 26, 2026. No subscription: you pay for the seconds generated. Prices exclude tax.
How the status is checked
Whether a model still runs is checked separately from prices: prices change monthly, but a model can disappear between two price syncs, quietly making every page that mentions it wrong. So each model record has its own confirmation date and review deadline; overdue records are flagged, never assumed to still be running.
Last confirmed on Sep 26, 2026; due to be rechecked by Oct 26, 2026.
More from the same developer
- LTX-Video Lightricks Unconfirmed
- LTX-2.5 Pro Lightricks Active
- LTX-2.3 Fast Lightricks Active
- LTX-2.3 Pro Lightricks Active