ByteDance's next-generation video model with a unified multimodal reference-to-video architecture. Generates video from text, up to 30 reference images, 10 reference videos, and 10 reference audio clips — including audio-only input with no image or video required. Supports first/last-frame image-to-video, video editing, video extension, intelligent duration (including automatic selection), and adaptive aspect ratio.
Seedance 2.5 (bytedance/seedance-2.5) is a video model from ByteDance, released 2026-08-07. Pricing via AIgateway: $0.231 per second. Call it via https://api.aigateway.sh/v1/videos/generations — set model="bytedance/seedance-2.5".
curl https://api.aigateway.sh/v1/videos/generations \
-H "Authorization: Bearer $AIGATEWAY_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"bytedance/seedance-2.5","prompt":"a slow drone shot over a mountain lake"}'{
"model": "bytedance/seedance-2.5",
"prompt": "A drone shot of a mountain lake at golden hour",
"duration": 5, // seconds
"aspect_ratio": "16:9"
}
// Response is an async job — poll /v1/jobs/<id> until status === "completed".{
"id": "job_abc123",
"status": "queued", // queued | processing | completed | failed
"model": "bytedance/seedance-2.5",
"created": 1776947082
}
// After completion:
{
"id": "job_abc123",
"status": "completed",
"result": {
"url": "https://media.aigateway.sh/video/abc123.mp4",
"duration": 5,
"resolution": "1920x1080"
}
}# See docs at https://aigateway.sh/docs