veo_3_1-fast
Google Veo 3.1 系列视频生成模型，支持文字与图像引导、首尾帧控制和同步音频生成。
- Starting price
- Per Request
- Context
- —
- Maximum input window
- Modalities
- →
Pricing by Supplier
Capabilities / Supported modalities
Provider & data privacy
SentencePiece (Gemini)Performance
About veo_3_1-fast
Google Veo 3.1 系列视频生成模型，支持文字与图像引导、首尾帧控制和同步音频生成。
Use cases and prompting
Starting points for evaluation; supported inputs and options are listed in API access.
Use cases to explore
- Explore product storyboards and short promotional scenes.
- Prototype camera movement and scene pacing before a full production.
Practical tips
Describe the subject, action, camera movement and lighting. Test a short scene first; check the API documentation for supported duration, resolution and reference inputs.
Example prompt
A ceramic cup on a wooden table at sunrise. Steam rises slowly as the camera moves closer. Warm side lighting, a quiet background, one continuous shot.
API access
Code samples
/v1beta/models/veo_3_1-fast:generateContent| Parameter | Type | Default / range | Description |
|---|---|---|---|
promptrequired | string | — | Text description of the desired video |
duration | integer | 1 ~ 60 | Video length in seconds |
aspect_ratio | enum | = 16:9 | Output aspect ratio |
fps | integer | = 248 ~ 60 | Frames per second |
Replace <YOUR_API_KEY> with the API key from your token settings.
Authentication
All requests must include Authorization: Bearer <TOKEN> header. Anthropic-formatted endpoints accept the x-api-key header instead.
Generate tokens from the Tokens page; you can scope them to specific models, groups, IPs, and rate-limits.
Supported parameters
| Parameter | Type | Default / range | Description |
|---|---|---|---|
promptrequired | string | — | Text description of the desired video |
duration | integer | 1 ~ 60 | Video length in seconds |
aspect_ratio | enum | = 16:9 | Output aspect ratio |
fps | integer | = 248 ~ 60 | Frames per second |
Rate limits
| Supplier | RPM | TPM | RPD |
|---|---|---|---|
| Google AI Studio | 90 | — | 1.4K |
| Google Vertex | 110 | — | 1.8K |
| 标准按次 | 60 | — | 1.0K |
RPM = requests per minute, TPM = tokens per minute, RPD = requests per day. Limits apply per token group.
Frequently asked questions about veo_3_1-fast
What is veo_3_1-fast?
Google Veo 3.1 系列视频生成模型，支持文字与图像引导、首尾帧控制和同步音频生成。
How do I call veo_3_1-fast?
Create an API key with access to veo_3_1-fast, then use the exact model ID and a supported endpoint from the API access section. Request fields depend on the selected endpoint.
How is veo_3_1-fast priced?
Pricing depends on the selected provider group and the model billing unit. The current input, output, request, or media prices are shown on this page before sign-up.
How should I evaluate veo_3_1-fast for my project?
Describe the subject, action, camera movement and lighting. Test a short scene first; check the API documentation for supported duration, resolution and reference inputs.