> ## 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.

# Veo 3.1 Fast API

> Veo 3.1 Fast API on Venice: text to video and image to video, up to 4K and 8s clips, from $0.11 per second. Anonymized access without your identity.

> [accordion] Plain-text specification
>
> ## Veo 3.1 Fast API
>
> Veo 3.1 Fast is a text to video and image to video model by Google, available on the Venice API as `veo3.1-fast-text-to-video`. Requests are anonymized, so the provider never sees your identity.
>
> ### Veo 3.1 Fast API pricing
>
> | Model ID | Variant | Privacy | Price |
> | - | - | - | - |
> | `veo3.1-fast-text-to-video` | Text to video | Anonymized | from \$0.11 / sec |
> | `veo3.1-fast-image-to-video` | Image to video | Anonymized | from \$0.11 / sec |
>
> Clip prices for `veo3.1-fast-text-to-video`, silent:
>
> | Duration | 720p | 1080p | 4K |
> | - | - | - | - |
> | 4s | \$0.44 | \$0.44 | \$1.32 |
> | 6s | \$0.66 | \$0.66 | \$1.98 |
> | 8s | \$0.88 | \$0.88 | \$2.64 |
>
> ### Veo 3.1 Fast specifications
>
> | Spec | Value |
> | - | - |
> | Provider | Google |
> | Released | Oct 15, 2024 |
> | Privacy | Anonymized |
> | Status | Stable |
> | Modes | text to video and image to video |
> | Resolutions | 720p, 1080p, 4K |
> | Durations | 4s, 6s, 8s |
> | Aspect ratios | 16:9, 9:16 |
> | Audio | Optional |
>
> ### How to use the Veo 3.1 Fast API
>
> Send requests to `POST https://api.venice.ai/api/v1/video/queue` with `"model": "veo3.1-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": "veo3.1-fast-text-to-video",
>     "prompt": "Slow aerial drone shot over a misty mountain valley at golden hour",
>     "duration": "4s",
>     "resolution": "720p",
>     "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": "veo3.1-fast-text-to-video", "queue_id": "<queue_id>" }' --output video.mp4
> ```
>
> ### Related models
>
> * [Kling 2.6 Pro API](https://docs.venice.ai/models/kling-2-6-pro.md): from \$0.0775 / sec
> * [Veo 3.1 Full Quality API](https://docs.venice.ai/models/veo-3-1-full-quality.md): from \$0.22 / sec
> * [Kling 2.5 Turbo Pro API](https://docs.venice.ai/models/kling-2-5-turbo-pro.md): from \$0.0775 / sec
> * [Ovi API](https://docs.venice.ai/models/ovi.md): from \$0.044 / sec


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