The duration of the generated video, in seconds.
The taskId must be a valid taskId returned from the video generation interface. Note: Video generated after 1080P cannot be extended.
Describe the text prompt for extending the video content.
If provided, the watermark will be added to the generated video.
Enter a task ID to get the video version of your video.
Task ID from a completed video generation task
Enter a task ID to get the video version of your video.
Task ID from a completed video generation task
Enter a task ID to get the video version of your video.
README
Complete guide to using v3-api
Affordable Google Veo 3 API — Cinematic Visuals with Built-in Audio
Kie.ai makes Veo 3 more accessible than ever — enjoy synchronized audio, smooth cinematic quality, and stable performance with Veo 3 Fast ($0.30/8s) and Veo 3 Quality ($2.00/8s), up to 70% cheaper than Fal and Replicate.
What is Google DeepMind Veo 3 API and How It Works?
Google Veo 3 is an advanced AI video generation model developed by Google DeepMind. It enables creators and developers to generate cinematic-quality videos directly from text or image prompts, bringing static concepts to life with dynamic visuals and synchronized audio. By combining large-scale visual understanding with real-time audio rendering, Veo 3 allows users to produce realistic and immersive scenes without the need for traditional cameras or complex post-production work.To give creators easier and more affordable access to this powerful technology, Kie.ai provides stable Veo 3 API integration for real-world production needs. Veo 3 API comes in two options — Veo 3 Fast API for quick, cost-efficient generation and Veo 3 Quality API for premium cinematic output — giving users full control over both speed and quality.
Choose the Right Veo 3 API Model for Your Project with Kie.ai
Through Kie.ai, developers and creators can seamlessly access the Google Veo 3 API with two flexible model options: Veo 3 Fast API and Veo 3 Quality API. These models are designed to meet different production needs — whether your goal is fast, cost-efficient content generation or premium cinematic visuals — giving you full control over speed, quality, and budget.
Veo 3 Fast API – Rapid, Cost-Effective Video Generation
The Veo 3 Fast API is designed for creators who need high-volume output at low cost. It offers rapid generation speed, synchronized audio, and stable performance, making it ideal for social media content, marketing campaigns, and real-time creative workflows. With Kie.ai’s affordable credit-based system, teams can scale AI video production efficiently without sacrificing quality.
Veo 3 Quality API – Premium Cinematic Output
The Veo 3 Quality API focuses on delivering high-fidelity cinematic videos with realistic physics, advanced lighting, and 1080p HD rendering. It’s perfect for filmmakers, agencies, and premium creative projects that require lifelike details and smooth motion for professional storytelling. Powered by Kie.ai’s stable infrastructure and competitive pricing, it makes top-tier AI video generation more accessible than ever.
What Makes Google DeepMind Veo 3 API a Game Changer for AI Video Generation
Text-to-Video & Image-to-Video Generation with Veo 3 API
Veo 3 API allows creators to generate cinematic videos directly from text prompts or static images. It transforms simple ideas into fully animated scenes with coherent lighting, depth, and camera motion—ideal for storytelling, marketing, product launches, and more.
Realistic Audio & Lip Sync with Google Veo 3 API
Veo 3 API features native synchronized audio generation, including dialogue, ambient effects, and soundscapes. Its precise lip-sync technology ensures that generated speech aligns perfectly with character movement, creating immersive and professional-quality results without post-editing.
Cinematic 1080p Video Quality with Veo 3 Quality API
The Veo 3 Quality API delivers 1080p HD resolution with a 16:9 cinematic aspect ratio, offering professional, film-grade visuals. Realistic lighting, smooth camera motion, and detailed rendering make it perfect for cinematic storytelling, advertising, and high-end content creation.
Advanced Scene Understanding & Natural Physics in Veo 3 API
Veo 3 API can interpret complex prompts with multiple characters, layered actions, and detailed environments. It simulates realistic physics, lighting, reflections, and spatial depth—producing natural, immersive scenes that drastically reduce manual animation work.
Google Veo 3 vs OpenAI Sora 2: A Complete Feature & Pricing Comparison
Google Veo 3 and OpenAI Sora 2 represent two of the most advanced solutions in AI video generation. Both support text-to-video and image-to-video creation, offering high-quality visuals and synchronized audio.However, they differ in maximum video length, physics realism, scene control, resolution flexibility, and pricing models. Veo 3, accessible through Kie.ai, gives creators more flexibility with aspect ratios and integration options—ideal for fast, scalable, and professional content production.
| Feature | Google Veo 3 | OpenAI Sora 2 |
|---|---|---|
| Developer | Google DeepMind | OpenAI |
| Video Length | Up to ~8 seconds | ~10 seconds for standard users, up to 16 seconds for Pro users |
| Audio Support | Native synchronized audio (dialogue + effects) | Fully synchronized dialogue, ambient audio, and sound effects |
| Physics & Realism | Realistic motion, natural object interaction | Advanced physics simulation, cinematic realism |
| Scene Control | Strong consistency, stable camera movement | Multi-shot prompts, persistent world states, cinematic camera control |
| Generation Modes | Text-to-video, Image-to-video | Text-to-video, Image-to-video |
| Video Resolution / Aspect Ratio | Auto, 16:9, 9:16 | Portrait, Landscape |
| Pricing (Official) | $0.75/second via Google Cloud Vertex AI | Free tier (invite only) via Sora App; Sora 2 Pro included in ChatGPT Pro ($20/month) |
Google Veo 3 Pricing Comparison – Kie.ai vs Major Platforms
Google Veo 3 pricing can vary widely depending on where it’s accessed. While Google offers official pricing through Google Cloud Vertex AI, many creators and developers turn to third-party providers for more cost-efficient solutions. Through Kie.ai, Veo 3 can be accessed at up to 70% lower cost compared to Fal.ai and Replicate — making it an ideal option for both personal and commercial AI video generation.Google currently offers Veo 3 access via subscription tiers:
- Pro Plan: $19.99/month for access to Veo 3 Fast
- Ultra Plan: $249.99/month for full Veo 3 access
- Vertex AI API: $0.75 per second for Veo 3 with audioThird-Party Veo 3 Pricing Overview：
Most third-party platforms charge between $0.75–$0.79 per second for Veo 3 with audio. For an 8-second video, this typically costs around $6.00–$6.30. In contrast, Kie.ai offers Veo 3 with flexible credits and transparent pricing — no hidden fees, no subscriptions required, and a free trial to get started.
| Platform | Price per 8s Video (with Audio) | Price per Second (with Audio) | Supports Veo 3 Fast |
|---|---|---|---|
| Kie.ai (Veo 3 Fast) | $0.30 (60 credits) | $0.05 | ✅ Yes |
| Kie.ai (Veo 3 Quality) | $2.00 (400 credits) | $0.25 | ✅ Yes |
| Replicate.com | $6.00 | $0.75 | ❌ No |
| Fal.ai | $6.00 | $0.75 | ❌ No |
| AIMLAPI | $6.30 | $0.79 | ❌ No |
How to Get Started with Google Veo3 API on Kie.ai
Integrating Google Veo 3 API through Kie.ai provides developers and creators with direct access to advanced AI video generation featuring synchronized audio, cinematic output, and flexible workflows. The onboarding process is streamlined for both testing and production use.
Step 1: Log In or Sign Up to Get Your Veo 3 API Key
Step 2: Select the Appropriate Model and Test for Veo 3 API Free in Playground
Step 3: Craft a High-Quality Prompt
Step 4: Submit the Generation Request
Step 5: Retrieve and Deploy Your Final Video
Why Kie.ai Is the Best Platform to Access Google Veo 3 API
Affordable Veo 3 API Pricing with Up to 70% Cost Savings
Through Kie.ai, accessing Google Veo 3 API is both affordable and highly cost-efficient. With Veo 3 Fast API priced at just $0.30 per 8-second video and Veo 3 Quality API at $2.00, users save up to 70% compared to Fal.ai and Replicate. This makes Kie.ai the most cost-effective way to scale AI video generation workflows with the Veo 3 API.
Flexible Veo 3 API Model Options for Any Use Case
Kie.ai provides Veo 3 Fast API for rapid, budget-friendly production and Veo 3 Quality API for premium cinematic output. This flexible structure allows teams to balance generation speed, output fidelity, and cost efficiency, making it suitable for everything from quick iterations to professional-grade productions.
Free Veo 3 API Playground for Prompt Testing
Unlike most providers, Kie.ai offers a free Veo 3 API Playground, where users can test prompts and evaluate generation quality before spending credits. This enables better prompt engineering, more predictable results, and a smoother transition from experimentation to integration with the Veo 3 API.
Stable Veo 3 API Infrastructure and Developer Integration
Kie.ai is built on a high-availability infrastructure, ensuring fast response times and high task success rates for Veo 3 API calls. Its well-structured Veo 3 API Documentation provides clear guidelines, making it easy for developers to integrate Veo 3 API into production pipelines — whether for creative tools, enterprise platforms, or high-volume media workflows.