The text prompt describing the desired video motion
This parameter defines the aspect ratio of the image.
The number of frames to be generated.
The quality or size of the generated image.
When enabled, removes watermarks from the generated video.
The text prompt describing the desired video motion
Click to upload or drag and drop
Supported formats: JPEG, PNG, WEBP Maximum file size: 10MB; Maximum files: 1
URL of the image to use as the first frame. Must be publicly accessible
This parameter defines the aspect ratio of the image.
The number of frames to be generated.
The quality or size of the generated image.
When enabled, removes watermarks from the generated video.
no output
The text prompt describing the desired video motion
This parameter defines the aspect ratio of the image.
The number of frames to be generated.
When enabled, removes watermarks from the generated video.
The text prompt describing the desired video motion
Click to upload or drag and drop
Supported formats: JPEG, PNG, WEBP Maximum file size: 10MB; Maximum files: 1
URL of the image to use as the first frame. Must be publicly accessible
This parameter defines the aspect ratio of the image.
The number of frames to be generated.
When enabled, removes watermarks from the generated video.
Enter the Sora 2 video URL — it must be a publicly accessible link from OpenAI (starting with sora.chatgpt.com).
Scene 1
Scene 2
Total length of the video
Click to upload or drag and drop
Supported formats: JPEG, PNG, WEBP Maximum file size: 10MB; Maximum files: 1
Upload an image file to use as input for the API
This parameter defines the aspect ratio of the image.
Complete guide to using
The Most Affordable and Stable Sora 2 API
The Sora 2 API is OpenAI’s latest AI video generation interface, designed for developers who want to create realistic short videos from either text prompts or images. Powered by the 2025 release of Sora 2, this API delivers advanced text-to-video and image-to-video capabilities with improved physics consistency, natural motion, and HD output.
Flexible Output Levels for Developers With Kie.ai's Sora 2 API
Sora 2 API
Sora 2 API enables fast and stable text-to-video and image-to-video generation with synchronized audio. It supports 10-second outputs, making it perfect for creative projects, short-form storytelling, and social media content. This is the ideal entry point for developers and creators who want efficient, high-quality AI video generation.
Sora 2 Pro API (Standard, 720P)
Sora 2 Pro API (Standard, 720P) delivers enhanced output quality with richer visual and audio details. It supports 10-second and 15-second durations, offering more flexibility for branding, narrative videos, and professional creative use. This tier is well-suited for users who need better fidelity and creative control.
Sora 2 Pro API (HD, 1080P)
Sora 2 Pro API (HD, 1080P) provides high-definition video generation with synchronized audio, designed for premium creative experiences. Supporting 10-second and 15-second clips, it’s ideal for cinematic projects, commercial production, and advanced developer workflows that require exceptional visual quality.
Key Features of Sora 2 API
Text to Video & Image to Video
The Sora 2 API allows developers to generate high-quality videos from either pure text prompts or reference images. With text-to-video, you can describe scenes, actions, or camera movements, and Sora 2 will render cinematic results. With image-to-video, static images can be animated into natural motion sequences while maintaining visual consistency.
HD Output & Flexible Aspect Ratios
Developers can specify portrait or landscape formats, ideal for social media, mobile apps, or cinematic content. The API supports both standard and HD rendering, balancing speed and quality to fit different production needs.
Fine-Grained Creative Control
Beyond basic prompts, the Sora 2 API provides precise control over scene composition, motion physics, and style adjustments. This enables developers to generate outputs ranging from realistic short films to stylized animations, with improved adherence to prompt instructions compared to earlier models.
Secure & Scalable Authentication
All API requests are authenticated with Bearer tokens, ensuring secure access. The infrastructure is designed for high-volume use, making it suitable for production environments, content platforms, and enterprise-level AI video applications.
Innovation
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Sora 2 API Pricing Comparison: Kie.ai vs OpenAI vs Fal.ai
Kie.ai provides Sora 2 API and Sora 2 Pro API at more than 60% lower cost than OpenAI and Fal.ai. With synchronized audio support, stable performance, and flexible access, it’s the most cost-effective way to use Sora 2 for both creators and developers.
| Provider | Sora 2 | Sora 2 Pro (720P) | Sora 2 Pro (1080P) |
|---|---|---|---|
| Kie.ai ✅ | $0.015 / s | $0.045 / s | $0.10-0.13/s |
| OpenAI | $0.10 / s | $0.30 / s | $0.50 / s |
| Fal.ai | $0.10 / s | $0.30 / s | $0.50 / s |
Who Can Benifit from Sora 2 API ?
Discover our core feature capabilities
🎬 AI video apps and social platforms
Enable users to instantly turn prompts into cinematic video clips for TikTok, Instagram, or creative communities.
🎨 Creative studios and artists
Bring storyboards, concept art, or static designs to life with motion and HD rendering.
📰 Media and journalism
Produce visual explainers, reenactments, or illustrative reports quickly, reducing production cost and time.
📈 Marketing and advertising teams
Generate branded content, product showcases, or campaign videos tailored to audience needs.
🎮 Gaming & virtual worlds
Animate characters, environments, and cutscenes directly from text prompts or image references.
Sora 2 vs Veo 3 — Model Comparison
The Sora 2 API and Veo 3 represent two of the most advanced AI video generation models available in 2025. While Sora 2 focuses on flexible text-to-video and image-to-video generation with strong creative control, physics consistency, and HD output, Veo 3 emphasizes realism and audio-visual synchronization, offering up to 4K resolution and native audio. Developers may prefer Sora 2 for customizable, narrative-driven content and easy API integration, while Veo 3 is better suited for high-fidelity, realistic video production through Google’s Gemini API ecosystem.
| Feature | Sora 2 | Veo 3 |
|---|---|---|
| Input modes | Text-to-Video; Image-to-Video | Text-to-Video; Image-to-Video |
| Audio generation | Native audio (dialogue, ambience, SFX) | Produces native audio with lip-sync and ambient sound (less detailed layering) |
| Resolution | Up to 1080p (Pro); typically HD | Up to 4K |
| Clip length | Up to 10s (standard); up to 15s (Pro) | Short-form focus; many demos ~8s |
| Prompt adherence | High controllability; good for stylized/narrative; improved physics | High realism; accurate lighting and A/V sync; less flexible |
| Developer access | Sora 2 API (REST, taskId, callback) | Google Gemini API / Vertex AI |
| Watermarking | Not publicly emphasized | Visible “Veo” + SynthID invisible |
| Strengths | Creative control; flexible styling | Realistic output; synchronized audio-video |
| Limitations | No 4K support; invite-only rollout | Heavier compute; access limits; watermark |
Common Questions & Answers
Find out all the essential details about our platform and how it can serve your needs.
What is the Sora 2 API?
The Sora 2 API is OpenAI’s latest interface for text-to-video and image-to-video generation. It allows developers to transform written prompts or static images into cinematic AI videos with realistic motion and HD output.
What types of content can I create with Sora 2 API?
You can generate short AI videos such as social media clips, product ads, news explainers, animated storyboards, or creative storytelling sequences. Both portrait and landscape formats are supported.
How do I start using the Sora 2 API?
Sign up to get your API Key, then make a POST request to the /createTask endpoint with your prompt and image references. Track the progress with the taskId or set a callBackUrl for automatic updates.
Does Sora 2 API support HD video generation?
Yes. You can choose between standard and hd modes. HD may take slightly longer to process but delivers higher-quality results.
Can I use Sora 2 API for both text-to-video and image-to-video?
Yes. The API supports generating videos from text-only prompts as well as image-based inputs, where your image becomes the first frame of the video.
How is Sora 2 different from Veo 3?
Sora 2 focuses on creative control and flexible generation, while Veo 3 emphasizes ultra-realism, 4K output, and native audio. Developers may prefer Sora 2 for customizable workflows and Veo 3 for high-fidelity productions.