Veo 3.1 Fast Text to Video API
Text to Video with Veo 3.1 Fast by Google. Veo 3.1 quality at a fraction of the price, with audio.
Try Veo 3.1 Fast Text to Video
Landscape or portrait.
Output resolution. 1080p and 4K clips are always 8 seconds; 4K costs more per second.
Clip length: 4, 6 or 8 seconds at 720p (1080p and 4K are always 8 s). You pay per second.
Create a free account with Google or email — pay only for what you generate.
Your video will appear here
Write a prompt, pick your settings and hit Run. You only pay for successful generations.
Also available: Veo 3.1 Fast Image to Video
Veo 3.1 Fast Text to Video API
/api/v1/run/google/veo-3.1-fast/text-to-videoSubmits an asynchronous job and returns 202 with a generation id. Poll GET /api/v1/generations/{id} or pass webhook_url. See job lifecycle.
Input parameters
| Name | Type | Description | Affects price |
|---|---|---|---|
promptrequired | string | Describe the shot: subject, action, camera movement, lighting and style. | No |
aspect_ratio | string (enum) | Landscape or portrait. Values: 16:9 · 9:16 Default: 16:9 | Yes |
resolution | string (enum) | Output resolution. 1080p and 4K clips are always 8 seconds; 4K costs more per second. Values: 720p · 1080p · 4k Default: 720p | Yes |
duration | integer (enum) | Clip length: 4, 6 or 8 seconds at 720p (1080p and 4K are always 8 s). You pay per second. Values: 4 · 6 · 8 Default: 8 | Yes |
generate_audio | boolean | Generate synchronized sound, ambience and dialogue. Clips with audio are billed at a higher per-second rate. Default: true | Yes |
negative_prompt | string | Things to avoid in the output. | No |
seed | integer | Use the same seed and settings to reproduce a result. Leave empty for random. | No |
webhook_url | string (URL) | Optional. We POST the finished generation here, signed with your webhook secret. Webhooks | No |
Request
curl -X POST https://cheapergen.com/api/v1/run/google/veo-3.1-fast/text-to-video \
-H "Authorization: Bearer $CHEAPERGEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "A tide pool at sunrise, a tiny crab scuttles across glistening rocks, macro lens, gentle waves and gull calls",
"aspect_ratio": "16:9",
"resolution": "720p",
"duration": 8
}'Response
{
"id": "gen_8c2QmX1nq0k4",
"object": "generation",
"model": "google/veo-3.1-fast",
"endpoint": "google/veo-3.1-fast/text-to-video",
"mode": "text-to-video",
"status": "queued",
"input": {
"prompt": "A tide pool at sunrise, a tiny crab scuttles across glistening rocks, macro lens, gentle waves and gull calls",
"aspect_ratio": "16:9",
"resolution": "720p",
"duration": 8
},
"output": null,
"error": null,
"cost": {
"amount_usd": 0.2255,
"currency": "usd",
"estimated": true,
"official_usd": null,
"saved_usd": null
},
"source": "api",
"started_at": null,
"completed_at": null,
"urls": {
"get": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4",
"cancel": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4/cancel"
},
"created_at": "2026-10-15T09:21:04Z"
}Veo 3.1 Fast pricing
Pay per second of video. No subscription. Failed generations are refunded automatically.
| Tier | Official price | Cheaper Gen. | You save |
|---|---|---|---|
720p + audio with native audio | $0.088/s | −12% | |
720p silent | $0.07/s | −12% | |
1080p + audio with native audio | $0.106/s | −12% | |
1080p silent | $0.088/s | −12% | |
4K + audio with native audio | $0.264/s | −12% | |
4K silent | $0.22/s | −12% |
- Official price: Google Cloud Vertex AI list price for veo-3.1-fast-generate-001 (with audio $0.10 / $0.12 / $0.30 per s at 720p / 1080p / 4K; video only $0.08 / $0.10 / $0.25). Prices verified 2026-10-16.
- With native audio on, every second is billed at the audio rate.
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