> ## 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.

# HappyHorse 1.0 API

> HappyHorse 1.0 API on Venice: text to video, image to video, reference to video and video editing, up to 1080p and 15s clips, from $0.154 per second.

> [accordion] Plain-text specification
>
> ## HappyHorse 1.0 API
>
> HappyHorse 1.0 is a text to video, image to video, reference to video and video editing model by Alibaba Qwen, available on the Venice API as `happyhorse-1-0-text-to-video`. Requests are anonymized, so the provider never sees your identity.
>
> ### HappyHorse 1.0 API pricing
>
> | Model ID | Variant | Privacy | Price |
> | - | - | - | - |
> | `happyhorse-1-0-text-to-video` | Text to video | Anonymized | from \$0.154 / sec |
> | `happyhorse-1-0-image-to-video` | Image to video | Anonymized | from \$0.154 / sec |
> | `happyhorse-1-0-reference-to-video` | Reference to video | Anonymized | from \$0.154 / sec |
> | `happyhorse-1-0-video-to-video` | Video edit | Anonymized | priced by source |
>
> Clip prices for `happyhorse-1-0-text-to-video` with audio:
>
> | Duration | 720p | 1080p |
> | - | - | - |
> | 3s | \$0.46 | \$0.79 |
> | 4s | \$0.62 | \$1.06 |
> | 5s | \$0.77 | \$1.32 |
> | 6s | \$0.92 | \$1.58 |
> | 7s | \$1.08 | \$1.85 |
> | 8s | \$1.23 | \$2.11 |
> | 9s | \$1.39 | \$2.38 |
> | 10s | \$1.54 | \$2.64 |
> | 11s | \$1.69 | \$2.90 |
> | 12s | \$1.85 | \$3.17 |
> | 13s | \$2.00 | \$3.43 |
> | 14s | \$2.16 | \$3.70 |
> | 15s | \$2.31 | \$3.96 |
>
> ### HappyHorse 1.0 specifications
>
> | Spec | Value |
> | - | - |
> | Provider | Alibaba Qwen |
> | Released | Apr 24, 2026 |
> | Privacy | Anonymized |
> | Status | Stable |
> | Modes | text to video, image to video, reference to video and video editing |
> | Resolutions | 1080p, 720p |
> | Durations | 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s |
> | Aspect ratios | 16:9, 9:16, 1:1 |
> | Audio | Always generated |
>
> ### How to use the HappyHorse 1.0 API
>
> Send requests to `POST https://api.venice.ai/api/v1/video/queue` with `"model": "happyhorse-1-0-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": "happyhorse-1-0-text-to-video",
>     "prompt": "Slow aerial drone shot over a misty mountain valley at golden hour",
>     "duration": "5s",
>     "resolution": "720p",
>     "aspect_ratio": "16:9"
>   }'
>
> # 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": "happyhorse-1-0-text-to-video", "queue_id": "<queue_id>" }' --output video.mp4
> ```
>
> ### Related models
>
> * [HappyHorse 1.1 API](https://docs.venice.ai/models/happyhorse-1-1.md): from \$0.154 / sec
> * [Kling O3 4K API](https://docs.venice.ai/models/kling-o3-4k.md): from \$0.462 / sec
> * [Kling V3 4K API](https://docs.venice.ai/models/kling-v3-4k.md): from \$0.462 / sec
> * [Grok Imagine API](https://docs.venice.ai/models/grok-imagine-video.md): from \$0.0633 / sec
> * [Runway Gen-4.5 API](https://docs.venice.ai/models/runway-gen-4-5.md): from \$0.162 / sec


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