LTX-2.3 Fast
Fast, low-cost LTX-2.3 variant for text-to-video and image-to-video at up to 4K.
Specs
- Context
- —
- Max output
- —
- Input price
- —
- Output price
- $0.03/ second
- Released
- 2026-03-05
Context
- Not published
Pricing · USD / second
- Input
- —
- Output
- $0.03
- Cache read
- —
- Cache write
- —
Modalities
- Input
- TextImage
- Output
- Video
API
- API types
Reasoning
- Not published
Info
- Status
- Active
- Released
- 2026-03-05
- Knowledge cutoff
- —
Features
- Not published
How to call
1 provider
lightricksmodel = ltx-2-3-fast
video
POSThttps://api.ltx.io/v2/text-to-video
JSON
Standard format
{
"id": "ltx-2-3-fast",
"object": "model",
"created": 1772668800,
"owned_by": "lightricks",
"name": "LTX-2.3 Fast",
"api": {
"types": [
"video"
]
},
"limits": {
"context": null,
"input": null,
"output": null
},
"modalities": {
"input": [
"text",
"image"
],
"output": [
"video"
]
},
"reasoning": {
"supported": null,
"efforts": []
},
"pricing": {
"currency": "USD",
"unit": "second",
"input": null,
"output": 0.03,
"cache_read": null,
"cache_write": null
},
"features": [],
"info": {
"status": "active",
"release_date": "2026-03-05",
"knowledge_cutoff": null,
"description": "Fast, low-cost LTX-2.3 variant for text-to-video and image-to-video at up to 4K.",
"docs": "https://docs.ltx.io/models/ltx-2-3",
"verified_at": "2026-10-11"
}
}Official sources
3