As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/veo-3-1/

# Veo 3.1

Google DeepMind, Veo family. Status: preview. Type: video generation. Released: 2025-10-15.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Gemini API | `veo-3.1-generate-preview` | https://generativelanguage.googleapis.com/v1beta/models/veo-3.1-generate-preview:predictLongRunning | https://ai.google.dev/gemini-api/docs/veo |
| Gemini API | `veo-3.1-fast-generate-preview` | https://generativelanguage.googleapis.com/v1beta/models/veo-3.1-fast-generate-preview:predictLongRunning |  |
| Gemini API | `veo-3.1-lite-generate-preview` | https://generativelanguage.googleapis.com/v1beta/models/veo-3.1-lite-generate-preview:predictLongRunning |  |
| Google Cloud Gemini Enterprise Agent Platform (Vertex AI) |  |  | https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/veo/3-1-generate |
| Web app |  |  | https://gemini.google.com |

## Pricing

- Per second: $0.40
- Per second, 4K: $0.60
- Unit as published: per second of video (veo-3.1-generate-preview, 720p/1080p $0.40, 4K $0.60). Fast: $0.10 (720p) / $0.12 (1080p) / $0.30 (4K). Lite: $0.05 (720p) / $0.08 (1080p)
- Source: https://ai.google.dev/gemini-api/docs/pricing
- Last checked: 2026-09-29

## Specs

- Input: text, image, video
- Output: video, audio
- Context window: not published
- Max output: not published
- Open weights: no
- Licence: proprietary

## Where it stands

- Newer video generation models in the registry since its release: 18. The 5 newest:
  - Gemini Omni 1.2 Flash (2026-11-05) https://postcutoff.com/m/gemini-omni-1-2-flash/
  - FLUX 3 Max (2026-10-19) https://postcutoff.com/m/flux-3-max/
  - Kling 4.0 (and 4.0 Flash) (2026-10-15) https://postcutoff.com/m/kling-4-0/
  - Tavus Griffin (Human Interaction Model) (2026-10-01) https://postcutoff.com/m/tavus-griffin/
  - HeyGen Video 1 (2026-09-30) https://postcutoff.com/m/heygen-video-1/
- After it from Google: Gemini Omni Flash (Omni 1.1 Flash) (2026-05) https://postcutoff.com/m/gemini-omni-flash/
- Closed weights; access is hosted only.

## What stands out

- Native audio in every clip: Dialogue, SFX and ambience generated with the video; Veo 3.1 extended audio to Ingredients-to-Video, Frames-to-Video and Extend. Source: https://blog.google/innovation-and-ai/products/veo-updates-flow/
- Reference images and first/last frame control: Multiple reference images for character/object/style consistency; generate a bridge between a start and end frame. Source: https://blog.google/innovation-and-ai/products/veo-updates-flow/
- Video extension to a minute+: Extend clips (720p) to build longer continuous scenes. Source: https://ai.google.dev/gemini-api/docs/veo

## Notes

Specs: 4/6/8 s, 720p/1080p/4K (1080p/4K need 8 s; no 4K on Lite), 16:9 or 9:16, 24 fps. Standard + Fast released 2025-10-15, Lite 2026-03-31; all still preview ids in the Gemini API. Veo 2 and Veo 3.0 sunset 2026-06-30. Google now recommends Gemini Omni Flash as default video model.

Google's dedicated text/image-to-video model with native audio, served as long-running operations.

```bash
curl -X POST "https://generativelanguage.googleapis.com/v1beta/models/veo-3.1-generate-preview:predictLongRunning" \
  -H "x-goog-api-key: $GEMINI_API_KEY" -H "Content-Type: application/json" \
  -d '{"instances":[{"prompt":"A dramatic sunset over mountains"}]}'
# then poll the returned operation name
```

Sources: [Veo guide](https://ai.google.dev/gemini-api/docs/veo), [pricing](https://ai.google.dev/gemini-api/docs/pricing), [deprecations](https://ai.google.dev/gemini-api/docs/deprecations), [Flow blog](https://blog.google/innovation-and-ai/products/veo-updates-flow/).

Model page: https://postcutoff.com/m/veo-3-1/