Advanced Temporal Consistency
Google's latent diffusion transformers keep characters and backgrounds stable across every frame of the video.
veo3.1 / reference-to-video
Google Veo 3.1 is a high-fidelity video generator by DeepMind. It produces 4K cinematic content up to 60 seconds with deep prompt adherence, temporal consistency, and granular camera controls via GPTProto.com's simple integration.
$ 0.5
image
video
API
Reference To Video
curl --request POST "https://gptproto.com/api/v3/google/veo3.1/reference-to-video" \
--header "Authorization: Bearer $GPTPROTO_API_KEY" \
--header "Content-Type: application/json" \
--data '{
"prompt": "A young woman walks alone under a transparent umbrella in a quiet alley during light rain, soft city lights reflecting on the wet pavement. Her pace is calm and thoughtful. The camera follows slowly behind her, occasional droplets hitting the lens. Subtle piano music plays, evoking a melancholic but peaceful mood. Dreamy, cinematic, slightly slow motion.",
"images": [
"https://oss.gptproto.com/2025/11/12/d5c2f08479b9452aacbcf9963631ce21.jpeg"
],
"aspect_ratio": "16:9",
"enhance_prompt": true
}'Query Result
curl --request POST "https://gptproto.com/api/v3/predictions/{{id}}/result" \
--header "Authorization: Bearer $GPTPROTO_API_KEY" \
--header "Content-Type: application/json"Google Veo 3.1 Video Generator Features
Explore how the Google Veo 3.1 video generator enables high-end cinematic production with consistent characters and textures.
Granular Camera Controls
Direct the virtual camera using pans, tilts, and zooms through Google's advanced function calling parameters.
Inpainting and Video Editing
Modify specific objects or backgrounds within a Google video stream without regenerating the entire scene.
Native 4K Cinematic Output
Generate native high-definition content at various frame rates without external upscaling tools.
How to Get a veo3.1 API Key
Getting a veo3.1 API key takes four steps and a few minutes. Create a free GPTProto account, add credits, generate your key, and make your first call — at $0.5 it's a cheaper veo3.1 API key than going direct, and one key works across every model on the platform. Full veo3.1 Documentation is in the docs.
Sign up
Create your free GPT Proto account to begin. You can set up an organization for your team at any time.
Top up
Your balance can be used across all models on the platform, including veo3.1, giving you the flexibility to experiment and scale as needed.
Generate your API key
In your dashboard, create an API key — you'll need it to authenticate when making requests to veo3.1.
Make your first API call
Use your API key with our sample code to send a request to veo3.1 via GPT Proto and see instant AI-powered results.
Google Veo 3.1 Video Generator FAQ
Find answers about the Google Veo 3.1 video generator, covering technical specs, pricing on GPTProto.com, and 4K production capabilities.
How does Google Veo 3.1 handle pricing?
Pricing for the Google Veo 3.1 video generator starts at $0.60 per second for 1080p output. GPTProto.com provides unified billing for this Google model, offering a 30% discount for asynchronous batch processing. This eliminates the complexity of managing Google Cloud resource quotas while providing flat-rate credits for your production needs.
What is the maximum duration for a Google video?
The Google Veo 3.1 video generator can produce continuous sequences up to 60 seconds long. This allows for extended cinematic shots that maintain consistent lighting and character design throughout the duration. For longer projects, creators often use Google's editing features to stitch or modify specific segments.
Does this Google model support 4K resolution?
Yes, the Google Veo 3.1 video generator natively supports both 1080p and 4K resolutions. Unlike older models that require third-party upscaling, this Google generator renders high-definition detail directly. Note that 4K generation typically incurs twice the cost of standard 1080p output on the GPTProto.com platform.
Is Google SynthID included in the output?
Every video produced by the Google Veo 3.1 video generator includes Google's SynthID watermarking. This technology embeds information directly into the pixels to track provenance and ensure safety. It is designed to be invisible to the human eye, maintaining the cinematic quality of your Google-generated content.
What are the camera controls in Google Veo 3.1?
Google has implemented specific function calling for cinematic controls. You can direct the Google Veo 3.1 video generator to perform pans, tilts, and dolly zooms by passing parameters in your API request. This gives developers granular control over the virtual lens, behaving more like a real-world camera crew.
How long does Google take to generate a video?
Latency for the Google Veo 3.1 video generator is measured in minutes rather than seconds. A typical 5-second 1080p clip takes between 3 and 6 minutes to process on Google DeepMind clusters. This makes it suitable for high-quality production rather than real-time interactive applications.
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