2K
text, image, audio
video
Not listed
About this model
LTX-2.5 Fast is an accelerated endpoint for Lightricks' LTX-2.5 video generation model. Designed for high-speed text-to-video and image-to-video workflows, it trades a degree of rendering fidelity for significantly faster inference speeds. It supports up to 20-second clips, 4K resolution output, and native synchronized audio generation, making it ideal for rapid prototyping and high-throughput production.
Input modalities
text
Accepted as model input
image
Accepted as model input
audio
Accepted as model input
Providers
Available routing options for this model through OneInfer.
Video generation
$0.0900 / second
Video generation
$0.1300 / second
Routing
OneInfer optimized
Pricing
Current OneInfer pricing for this model.
| Usage | Price |
|---|---|
| Video generation1280x720 · 720p · 6–20s · 16:9 | $0.0900 / second |
| Video generation720x1280 · 720p · 6–20s · 9:16 | $0.0900 / second |
| Video generation1920x1080 · 1080p · 6–20s · 16:9 | $0.1300 / second |
| Video generation1080x1920 · 1080p · 6–20s · 9:16 | $0.1300 / second |
| Video generation2560x1440 · 1440p · 6–10s · 16:9 | $0.1900 / second |
| Video generation1440x2560 · 1440p · 6–10s · 9:16 | $0.1900 / second |
| Video generation3840x2160 · 4k · 6–10s · 16:9 | $0.3000 / second |
| Video generation2160x3840 · 4k · 6–10s · 9:16 | $0.3000 / second |
Performance & Benchmarks
Independent evaluations and live cluster operational metrics
We haven’t measured this model yet.
API Guide
- 1
Generate your access token
Use your API key to generate the JWT access token required by the Models API.
- 2
Add the JWT token
Copy the generated JWT token and replace
JWT_TOKENin the example below. - 3
Check your credits
If your balance is too low, before calling the model.
- 4
Run the API example
Choose your preferred language, copy the example, and send your first model request.
curl -X POST https://staging-api.oneinfer.ai/v1/ula/generate-video \ -H "Authorization: Bearer YOUR_JWT_TOKEN" \ -H "Content-Type: application/json" \ -d '{ "provider": "lightricks", "model": "Lightricks/LTX-2.5-Fast", "prompt": "A red fox running through a snowy forest", "resolution": "1280x720", "aspect_ratio": "16:9", "duration": 5, "generate_audio": false, "camera_fixed": false, "service_tier": "default" }'
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