Cheapest at your usage
$4.50/mo
LTX API · Pay as you go
For 10 videos a month, 5 s each
Channels that sell it
2
Subscriptions: 1 · APIs: 1
Official specs
4K · 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 seconds
Generates its own audio
Last confirmed
Sep 26, 2026
Next review Oct 26, 2026
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.
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
| Tool | Type | Lowest monthly price | Price status |
|---|---|---|---|
| Krea | Multi-model platform | $9 | Manually recorded price |
"Lowest monthly price" is the cheapest confirmed monthly plan for that tool. It does not mean that plan includes this model — premium models are often limited to pricier plans. Each tool's official pricing page is the authority.
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.
This model is included in plans on Krea, but we found no exact official rate for it there, so no durations are listed — we don't estimate on a vendor's behalf.
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.
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