Model Tracker
Veo 3.1
Veo 3.1 is an AI model made by Google. Google released it on 15 October 2025. Its context window is 1,024 tokens.
- Released
- 15 October 2025 — developers.googleblog.com, read 16 October 2026
- Status
- Not confirmed: two readings disagree: preview and ga
- Takes
- Not confirmed: two readings disagree: text, image, video and text, image
- Returns
- Video, Audio — ai.google.dev, read 16 October 2026
- Open weights
- Not confirmed: The maker's pages do not state whether Veo 3.1 weights are open or provide downloadable weights.
- Licence
- Not confirmed: The maker's pages reviewed do not name a licence for Veo 3.1.
- Context window
- 1,024 tokens — ai.google.dev, read 16 October 2026
- Longest answer
- Not confirmed: The maker prints an output limit of one video, but does not print a standard output-token limit for Veo 3.1.
- Knowledge cutoff
- Not confirmed: The maker's pages reviewed do not state a knowledge-cutoff date for Veo 3.1.
- API price, input
- Not confirmed: The pricing page lists Veo 3.1 generation prices per second of video, not per 1M input tokens; it does not state an input-token price.
- API price, output
- Not confirmed: The pricing page lists Veo 3.1 generation prices per second of video, not per 1M output tokens; it does not state an output-token price.
- Where
- Not confirmed: two readings disagree: api, app, cloud and api, app
- Parameters
- Not confirmed: The maker's pages reviewed do not publish a parameter count for Veo 3.1.
- Model card
- https://storage.googleapis.com/deepmind-media/Model-Cards/Veo-3-Model-Card.pdf — storage.googleapis.com, read 16 October 2026
Questions
When was Veo 3.1 released?
Google released Veo 3.1 on 15 October 2025.
What is the context window of Veo 3.1?
The context window of Veo 3.1 is 1,024 tokens, as Google prints it.
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- Gemini 3 Flash
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- Gemini 3.1 Flash TTS
- Gemini 3.1 Flash-Lite
- Gemini 3.1 Pro
Sources
- Generate videos with Veo 3.1 in Gemini API (read 16 October 2026)
- Introducing Veo 3.1 and new creative capabilities in the Gemini API (read 16 October 2026)
- Gemini Developer API pricing (read 16 October 2026)
- Veo 3 Model Card (January 2026) (read 16 October 2026)