Veo 3.1 fast
Summary
Veo 3.1 fast is a proprietary video generation model from Google DeepMind, released on 15 Oct 2025. It accepts text, images and video and generates video, with a 480-token context window and up to 8K output tokens per response.
Video model for prompt-guided generation, editing, and motion workflows
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Google DeepMind |
|---|---|
| Release date | 15 Oct 2025 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 480 (480 tokens) [models.dev] |
| Max output | 8K tokens [models.dev] |
| Input | Text, images and video [models.dev] |
| Output | Video [models.dev] |
| Reasoning mode | No [models.dev] |
| Tool calling | No [models.dev] |
Veo 3.1 fast API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| Gemini API veo-3.1-fast-generate-preview | – | – | – | 480 | models.dev, 4 Oct 2026 |
Frequently asked questions
What is the context window of Veo 3.1 fast?
Veo 3.1 fast has a context window of 480 tokens (480) and can generate up to 8,192 tokens in a single response, according to models.dev.
Is Veo 3.1 fast open source?
No. Veo 3.1 fast is a proprietary model; Google DeepMind has not released its weights. It is available through APIs including Gemini API.
When was Veo 3.1 fast released?
Google DeepMind released Veo 3.1 fast on 15 Oct 2025, according to models.dev.
Change history
No changes detected since we started tracking this model. We re-check every source daily.