GPT Proto
veo-3.1-generate-preview / video-to-video
Veo 3.1 generate preview video to video supports extending or editing existing videos by specifying first and last frames to generate seamless transitions and continuity. It enhances videos by adding realistic audiovisual elements and narrative control while maintaining coherent scene evolution.

PRICE

$ 3.2

Per Time

INPUT

video

OUTPUT

video

Video To Video

curl --location 'https://gptproto.com/v1beta/models/veo-3.1-generate-preview:predictLongRunning' \
--header 'x-goog-api-key: GPTPROTO_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
  "instances": [
    {
      "prompt": "Replace the fox with a tiger",
      "video": {
        "uri": "https://oss.gptproto.com/ai/api1bfc42f3-af1f-4eb9-b91f-ae8fba044ac8.mp4"
      }
    }
  ],
  "parameters": {
    "resolution": "720p",
    "aspectRatio": "9:16"
  }
}'

Query Result

curl --location --globoff --request POST 'https://gptproto.com/v1beta/models/veo-3.1-generate-preview/operations/{{operation_id}}' \
--header 'x-goog-api-key: GPTPROTO_API_KEY' \
--header 'Content-Type: application/json'

Master Cinematic Video Extensions with Veo 3.1 API on GPT Proto

Experience the next generation of AI cinematography with Google's state-of-the-art Veo 3.1 model. Whether you are looking to extend an existing narrative or generate hyper-realistic scenes from scratch, the Veo 3.1 API provides the creative tools needed for professional-grade output. Ready to explore the full spectrum of AI creativity? Browse our comprehensive list of AI models to find the perfect fit for your project.

Transform Static Ideas into Professional Cinematic Masterpieces with Veo 3.1

Veo 3.1 is not just a video generator; it is a comprehensive cinematic engine capable of producing high-fidelity, 8-second clips in stunning 720p or 1080p resolution. What sets Veo 3.1 apart on GPT Proto is its ability to generate native audio alongside the visuals, creating a cohesive sensory experience. For developers and creators, this means moving beyond silent clips into the realm of fully realized digital storytelling. By utilizing the advanced video to video capabilities, you can take a base generation and refine it repeatedly, ensuring that every movement, lighting change, and sound effect aligns perfectly with your creative vision. The model excels at understanding complex cinematic styles, from the gritty atmosphere of film noir to the vibrant, bouncy aesthetics of 3D character animation.

Achieve Unmatched Subject Consistency Using Multi-Image Reference Inputs

One of the most significant challenges in AI video generation has always been maintaining consistency across different scenes. Veo 3.1 solves this by allowing users to provide up to three reference images. This "Image-based direction" ensures that your protagonist, product, or environment remains visually identical throughout the video. On GPT Proto, you can easily input images of a specific character and a unique outfit, and the Veo 3.1 API will merge these elements into a fluid, 8-second masterpiece. This is particularly valuable for brand marketing and character-driven storytelling where visual integrity is non-negotiable. You no longer have to hope the AI "remembers" your subject; you define it with precision.

Precision Storytelling Through Advanced First and Last Frame Interpolation

Creative control reaches a new peak with Veo 3.1's interpolation feature. By specifying both the starting and ending frames, you dictate the exact trajectory of the action. This removes the "lottery" aspect of AI generation, giving you the power to define how a scene begins and concludes. Imagine starting with a close-up of a dormant volcano and ending with a wide shot of a massive eruption; Veo 3.1 intelligently fills the gap with realistic fluid dynamics and atmospheric effects. This capability allows for seamless transitions and intentional pacing that was previously only possible through traditional, time-consuming manual animation or high-budget CGI teams.

"Veo 3.1 on GPT Proto redefines the boundaries of AI video, blending native audio generation with surgical visual control to turn prompts into living breath-taking cinema."

Seamless API Integration and Enterprise Stability for Developers on GPT Proto

Integrating high-performance models like Veo 3.1 into your application requires a platform that prioritizes uptime and ease of use. GPT Proto provides a robust infrastructure that handles the heavy lifting of asynchronous operations, allowing your team to focus on building features rather than managing server clusters. Because video generation is a computationally intensive task, our platform ensures that your requests are queued efficiently and that you receive real-time updates through our streamlined polling system. Developers can access detailed documentation to get started in minutes. To understand the technical specifications and authentication methods, visit our official API Documentation.

Feature Comparison Standard Video Models Veo 3.1 on GPT Proto
Visual Resolution 480p - 720p Up to 1080p (Cinematic High-Fidelity)
Audio Integration Silent Only Native Audio & Dialogue Generation
Subject Consistency Randomized Results Triple-Image Reference Support
Extension Limits Non-Extendable Extend up to 141 Seconds Total
Processing Speed Inconsistent Optimized "Fast" Model Variants

Transparent Pay-As-You-Go Pricing and Real-Time Usage Tracking on GPT Proto

We believe that access to cutting-edge AI should be transparent and scalable. Unlike platforms that lock you into confusing subscription tiers or opaque "credits" systems, GPT Proto operates on a direct balance model. You simply add funds to your account and pay for exactly what you use. This flexibility is ideal for both independent creators testing a single concept and enterprises running thousands of generations daily. You can monitor your consumption in real-time through our intuitive interface. To manage your account or add funds, visit the Billing Center to Top-up your Balance. For a detailed breakdown of your current generation history and API calls, check your Personal Usage Dashboard.

The landscape of AI video is evolving at a breakneck pace, and staying informed is the key to maintaining a competitive edge. From prompt engineering tips to deep dives into the latest model updates, our team regularly shares insights to help you maximize your creative output. Stay ahead of the curve and discover new ways to leverage Veo 3.1 by visiting the GPT Proto Official Blog. Whether you are a filmmaker, a developer, or a visionary dreamer, the tools to bring your imagination to life are now at your fingertips on GPT Proto.

GPT Proto

Real World Application Scenarios

See how veo 3.1 generate preview/video to video enables developers and studios to automate video editing, enhance production, and accelerate workflows across diverse industries.

Media Makers

Automated Post-production Editing

Studios use veo 3.1 generate preview/video to video to automate tasks like frame interpolation, color grading, and object removal from raw footage. Its preview feature allows editors to make incremental adjustments before finalizing cuts, reducing manual labor and repetitive revisions. By integrating the model into their editing pipeline, teams decrease turnaround times, maintain consistent visual quality, and scale up for large projects. The process is adaptable for commercials, educational clips, or cinematic productions requiring reliable batch modifications.

Code Developers

Marketing Campaign Video Branding

Marketing teams deploy veo 3.1 generate preview/video to video to quickly create themed visual assets and custom branding animations for social platforms and ad campaigns. The model can modify style, color, and transitions across multiple video formats. Fast preview cycles help teams collaborate efficiently, ensuring branding consistency and creative adaptation per channel. API integration supports automated bulk updates for dynamic branding, improving campaign responsiveness while minimizing time to market.

API Clients

Educational Content Transformation

EdTech platforms and educators leverage veo 3.1 generate preview/video to video to update instructional videos with new graphics, overlays, and real-time corrections. The preview workflow streamlines lesson revisions, allowing quick insertion of clarifications, interactive segments, and translation overlays. Batch editing supports curricula updates, while final exports retain pedagogical consistency. This flexibility enhances remote learning materials, improves instructional quality, and enables iteration without full re-recording.

Get API Key

Getting Started with GPT Proto — Build with veo 3.1 generate preview in Minutes

Follow these simple steps to set up your account, get credits, and start sending API requests to veo 3.1 generate preview via GPT Proto.

Sign up

Sign up

Create your free GPT Proto account to begin. You can set up an organization for your team at any time.

Top up

Top up

Your balance can be used across all models on the platform, including veo 3.1 generate preview, giving you the flexibility to experiment and scale as needed.

Generate your API key

Generate your API key

In your dashboard, create an API key — you'll need it to authenticate when making requests to veo 3.1 generate preview.

Make your first API call

Make your first API call

Use your API key with our sample code to send a request to veo 3.1 generate preview via GPT Proto and see instant AI‑powered results.

Get API Key

Frequently Asked Questions

User Reviews

Veo 3.1 Generate Preview | Video to Video | GPT Proto API