# Seedance 1 Pro Fast > ByteDance cinematic AI video generation model optimized for speed. 30-60% faster inference and ~60% reduced cost vs Seedance 1 Pro. Supports text-to-video and image-to-video with camera control. - **Provider**: replicate - **Model ID**: bytedance/seedance-1-pro-fast - **Category**: video_generation - **Credits**: 190 per request - **Pricing Type**: input_based ## API Endpoint Base URL: https://api.core.today/v1 ### Create Prediction POST /predictions ### Get Status GET /predictions/{job_id} ### Cancel DELETE /predictions/{job_id} ## Authentication Header: `X-API-Key: YOUR_API_KEY` ## Input Parameters - `duration` (integer, optional): Duration in seconds (Default: `5`) - `image` (string, optional): Input image for image-to-video generation - `aspect_ratio` (string, optional): Video aspect ratio (ignored if image is used) (Default: `16:9`; Options: `16:9`, `9:16`, `1:1`) - `seed` (integer, optional): Random seed for reproducibility - `camera_fixed` (boolean, optional): Whether to fix camera position (Default: `False`) - `fps` (integer, optional): Frame rate (frames per second) (Default: `24`) - `prompt` (string, **required**): Text prompt for video generation - `resolution` (string, optional): Video resolution (Default: `720p`; Options: `480p`, `720p`, `1080p`) ## Example Request ```json { "model": "bytedance/seedance-1-pro-fast", "input": { "duration": 5, "fps": 24, "aspect_ratio": "16:9", "prompt": "high speed supercar driving on the beach at sunset", "resolution": "720p", "camera_fixed": false } } ``` ## Response Format ```json { "job_id": "abc123", "status": "pending", "provider": "replicate", "model": "black-forest-labs/flux-schnell", "created_at": "2026-01-01T00:00:00Z", "result": null, "error": null } ``` Status values: `pending`, `processing`, `completed`, `failed`, `cancelled` ## Usage Flow 1. POST /predictions with model and input → receive job_id 2. Poll GET /predictions/{job_id} until status is `completed` or `failed` 3. Result contains output URL(s) or data ## Output Type url ## Tags bytedance, seedance, video-generation, text-to-video, image-to-video, cinematic, fast, camera-control ## Documentation https://replicate.com/bytedance/seedance-1-pro-fast