LTX Video API
$0.042/s on Varosity credits ($0.040/s with your own key). Clips up to 5s.
no fal account needed · no subscription · failed renders never billed
Best for
- fastest open video model (<5s)
- image-to-video
- good for iteration
Trade-offs
- lower detail than Kling/Veo
- shorter max duration
Call it from your code
One Varosity key works for every model. Video renders are async — the response has a jobId; poll GET /api/v1/jobs/{jobId} until status is "succeeded", then read outputUrl.
curl -X POST https://varosity.ai/api/v1/video/generate \
-H "Authorization: Bearer $VAROSITY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "cinematic aerial of a coastal road at golden hour, slow push-in",
"modelId": "ltx-video",
"aspectRatio": "16:9",
"durationSec": 5
}'Or ask your agent
Connect Claude, Cursor, or any MCP client to https://varosity.ai/api/mcp with your key, then say:
"Use Varosity with ltx-video to make a 5-second clip of …"Agent setup guide
Alternatives to LTX Video
- LTX-2open-weight (Apache-2.0) · very fast$0.053/s
- Grok Imagine Videocheapest frontier video with native audio · synchronized sound + dialogue$0.074/s
- Pika 2.2fast generation · stylized output$0.042/s
- Pika 2.5stylized motion · character consistency$0.084/s
- Runway Gen-4.5 (Replicate)camera control · motion brush$0.053/s
- WAN 2.1 Text-to-Videoplatform-funded (no BYOK) · up to 720p / high quality$0.032/s