The text prompt describing the desired video motion
If you want to specify your own characters, create them at https://kie.ai/sora-2?model=sora-2-characters to obtain their character_ids, then enter up to five IDs here to use those characters (if you only need a public character, simply reference it in the prompt with @Name; no ID required).
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
If you want to specify your own characters, create them at https://kie.ai/sora-2?model=sora-2-characters to obtain their character_ids, then enter up to five IDs here to use those characters (if you only need a public character, simply reference it in the prompt with @Name; no ID required).
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
Click to upload a video
Supported formats: MP4, WEBM, AVI, MOV. Maximum file size: 10MB; Maximum files: 1
Upload a 1-4 s clip (≤ 100 MB, mp4/mov/webm/m4v/avi) featuring a non-real person; keep the subject centered, well-lit, and free of motion blur for best recognition.
In one short line, state stable traits (e.g., “cheerful barista, green apron, warm smile”); avoid camera directions, contradictions, or disallowed celebrity likeness.
Briefly list any boundaries (“no violence, politics, or alcohol; PG-13 max”); tighter wording helps the model enforce your content limits.
taskId of the task already generated
Video duration interval. Extract segment from x seconds to y seconds. The difference between end and start must be between 1 and 4 seconds.
Username of the character
In one short line, state stable traits (e.g., “cheerful barista, green apron, warm smile”); avoid camera directions, contradictions, or disallowed celebrity likeness.
Briefly list any boundaries (“no violence, politics, or alcohol; PG-13 max”); tighter wording helps the model enforce your content limits.
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
Sora 2 Pro API on Kie AI
Create 1080p Sora AI videos with synchronized native audio using Sora 2 Pro API on Kie AI — faster, cheaper, and without Sora 2 watermark.
What’s the Difference Between Sora 2 vs Sora 2 Pro?
Sora 2 is tuned for speed and everyday content creation, while Sora 2 Pro API focuses on higher fidelity, longer duration, and professional-grade output. The Pro version handles tougher scenes with better stability, resolution, and synchronized native audio, though generation may take more time.
| Feature | Sora 2 API | Sora 2 Pro API |
|---|---|---|
| Model Type | Text to Video, Image to Video | Text to Video, Image to Video |
| Video Length | Up to 10 seconds | Up to 15 seconds |
| Resolution | Up to 720p | Up to 1080p (HD) |
| Audio | Native audio supported | Native audio supported |
| Performance | Tuned for speed and everyday creation | Focused on higher fidelity and complex scenes |
| Best For | Quick generation, social or educational content | Cinematic, commercial, and professional projects |
Supported Modes of Sora 2 Pro API on Kie AI
Sora 2 Pro API (Standard, 720p)
Sora 2 Pro API (Standard, 720p) offers smooth video generation with improved visual and audio quality. It supports 10s and 15s outputs, ideal for branding, storytelling, and quick creative tasks.
Sora 2 Pro API (HD, 1080p)
Sora 2 Pro API (HD, 1080p) delivers high-definition videos with synchronized native audio. Supporting 10s and 15s clips, it’s designed for cinematic, commercial, and professional production.
Sora 2 Pro Watermark Remover
Sora 2 Pro Watermark Remover removes or reconstructs dynamic watermarks in video frames while keeping native audio perfectly synchronized.
Sora 2 Pro API Pricing: Kie AI vs OpenAI vs Fal.ai
Kie AI offers the most affordable access to Sora 2 Pro API, providing the same native audio and HD video generation at over 60% lower cost compared to OpenAI and Fal.ai.
| Provider | Sora 2 API | 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 |
Key Features of Sora 2 Pro API on Kie AI
Sora 2 Pro API 1080p Video Generation up to 15 Seconds
Sora 2 Pro API enables high-quality 1080p video creation up to 15 seconds. It’s perfect for cinematic storytelling, product showcases, and short creative projects. The output stays smooth, detailed, and consistent, giving developers premium HD control.
Sora 2 AI API Pro with Realistic Audio and Lip-Sync
Sora 2 AI API Pro generates synchronized audio, natural voice effects, and accurate lip-sync for every scene. Each motion and dialogue aligns perfectly, making videos sound alive and realistic—ideal for immersive storytelling or branded content creation.
Sora 2 Pro API Access without ChatGPT Pro
You can use the Sora 2 Pro API on Kie AI without needing a ChatGPT Pro or GPT Plus plan. Just enter a text or image prompt to start generating videos. You can purchase entry-level credits to explore the sora2 pro api and test its core features before upgrading.
OpenAI Sora 2 Pro API Watermark-Free HD Output
When using the OpenAI Sora 2 Pro API, you can choose to generate videos without watermarks. This option lets you export clean HD results for personal or professional use, such as marketing materials or client projects, without extra post-editing.
Seamless Integration with Sora 2 API and Sora 2 Pro API
On Kie AI, you can flexibly switch between the Sora 2 API and the Sora 2 Pro API. Each option fits different project goals — the Sora 2 API offers faster generation, while the Sora 2 Pro API provides higher quality output. You can choose whichever best matches your creative or production needs.
How to Use Sora 2 Pro API on Kie AI
Step 1: Access the Sora 2 Pro API Playground
Go to the Kie AI playground and select the Sora 2 Pro API interface. You can start by entering a text prompt or uploading an image to guide video generation. No ChatGPT Pro plan is needed, and new users receive free testing credits to explore core features.
Step 2: Choose the Sora 2 Pro Model and Settings
Select the Sora 2 Pro model from the dropdown menu. Adjust settings such as duration (10s or 15s), resolution (720p or 1080p), and watermark preference. These options help you control quality, aspect ratio, and performance directly within the sora 2 pro api interface.
Step 3: Generate and Integrate into Your Project
Click “Generate” to create your video using the sora 2 pro api. After testing, you can get your Sora API key to integrate it into your own project or workflow. This allows seamless access to Kie AI’s infrastructure for building scalable, AI-powered video applications.
Try These Sora 2 Prompts with Kie AI Sora 2 Pro API
Realistic Action Scene with Dynamic Motion
Prompt: a person is standing on 2 horses with legs spread. make it not slowmo also realistic. the guy fell off pretty hard in the end. single shot.
Studio Ghibli-Style Landscape Animation
Prompt: in the style of a studio ghibli anime, a boy and his dog run up a grassy scenic mountain with gorgeous clouds, overlooking a village in the distant background.
Extreme Weather Expedition with Native Audio
Prompt: Two mountain explorers in bright technical shells, ice crusted faces, eyes narrowed with urgency shout in the snow, one at a time.
Dialogue and Lip-Sync Accuracy Test
Prompt: old professor talks in english then german.