> ## Documentation Index
> Fetch the complete documentation index at: https://docs.venice.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# LTX Video 2.3 Fast API

> LTX Video 2.3 Fast API on Venice: text to video and image to video, up to 4K and 20s clips, from $0.0661 per second. Anonymized access without your identity.

> [accordion] Plain-text specification
>
> ## LTX Video 2.3 Fast API
>
> LTX Video 2.3 Fast is a text to video and image to video model by Lightricks, available on the Venice API as `ltx-2-v2-3-fast-text-to-video`. Requests are anonymized, so the provider never sees your identity.
>
> ### LTX Video 2.3 Fast API pricing
>
> | Model ID | Variant | Privacy | Price |
> | - | - | - | - |
> | `ltx-2-v2-3-fast-text-to-video` | Text to video | Anonymized | from \$0.0661 / sec |
> | `ltx-2-v2-3-fast-image-to-video` | Image to video | Anonymized | from \$0.0661 / sec |
>
> Clip prices for `ltx-2-v2-3-fast-text-to-video`, silent:
>
> | Duration | 1080p | 1440p | 4K |
> | - | - | - | - |
> | 6s | \$0.40 | \$0.79 | \$1.58 |
> | 8s | \$0.53 | \$1.06 | \$2.11 |
> | 10s | \$0.66 | \$1.32 | \$2.64 |
> | 12s | \$0.79 | \$1.58 | \$3.17 |
> | 14s | \$0.92 | \$1.85 | \$3.70 |
> | 16s | \$1.06 | \$2.11 | \$4.22 |
> | 18s | \$1.19 | \$2.38 | \$4.75 |
> | 20s | \$1.32 | \$2.64 | \$5.28 |
>
> ### LTX Video 2.3 Fast specifications
>
> | Spec | Value |
> | - | - |
> | Provider | Lightricks |
> | Released | Mar 5, 2026 |
> | Privacy | Anonymized |
> | Status | Stable |
> | Open weights | Yes |
> | Modes | text to video and image to video |
> | Resolutions | 1080p, 1440p, 4K |
> | Durations | 6s, 8s, 10s, 12s, 14s, 16s, 18s, 20s |
> | Aspect ratios | 16:9, 9:16 |
> | Audio | Optional |
>
> ### How to use the LTX Video 2.3 Fast API
>
> Send requests to `POST https://api.venice.ai/api/v1/video/queue` with `"model": "ltx-2-v2-3-fast-text-to-video"` and your API key.
>
> ```bash theme={"system"}
> # 1. Queue the job (returns a queue_id)
> curl https://api.venice.ai/api/v1/video/queue \
>   -H "Authorization: Bearer $VENICE_API_KEY" \
>   -H "Content-Type: application/json" \
>   -d '{
>     "model": "ltx-2-v2-3-fast-text-to-video",
>     "prompt": "Slow aerial drone shot over a misty mountain valley at golden hour",
>     "duration": "6s",
>     "resolution": "1080p",
>     "aspect_ratio": "16:9",
>     "audio": true
>   }'
>
> # 2. Poll until the MP4 is ready
> curl https://api.venice.ai/api/v1/video/retrieve \
>   -H "Authorization: Bearer $VENICE_API_KEY" \
>   -H "Content-Type: application/json" \
>   -d '{ "model": "ltx-2-v2-3-fast-text-to-video", "queue_id": "<queue_id>" }' --output video.mp4
> ```
>
> ### Related models
>
> * [LTX Video 2.5 Fast API](https://docs.venice.ai/models/ltx-video-2-5-fast.md): from \$0.0989 / sec
> * [Seedance 2.0 API](https://docs.venice.ai/models/seedance-2-0.md): from \$0.0879 / sec
> * [Seedance 2.0 Fast API](https://docs.venice.ai/models/seedance-2-0-fast.md): from \$0.07 / sec
> * [Wan 2.7 API](https://docs.venice.ai/models/wan-2-7-video.md): from \$0.11 / sec
> * [Topaz Video Upscale API](https://docs.venice.ai/models/topaz-video-upscale.md): priced by source


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