Seedance 2.5
Video Generationbytedance/seedance-2.5字节豆包新一代多模态创作视频模型,单段最长 30 秒。支持文本、图片、视频、音频混合输入(最多 30 图 + 10 视频 + 10 音频共 50 个参考素材)。4-30 秒任意整数时长、480p/720p 分辨率、6 种宽高比 + 自适应,默认输出带同步音频,支持多语言提示词。指令遵循、多镜头叙事与长时序一致性全面升级。
Duration
4-30s
Audio
Supported
Released
2026-08-07
Generation Modes
t2vText to Videoi2vImage to Videov2vVideo to Video
Resolutions
480p720p
Aspect Ratios
21:916:94:31:13:49:16adaptive
Capabilities
Video Input
Available Providers
VolcengineBytePlus
Supported Protocols
openai
Pricing
From $0.11/s| Resolution | Mode | Audio | Price / Second |
|---|---|---|---|
| 480p | Text to Video | Any | $0.11/s |
| 480p | Video to Video | Any | $0.14/s |
| 720p | Text to Video | Any | $0.24/s |
| 720p | Video to Video | Any | $0.3/s |
| All other combinations | $0.3/s | ||
Billed per second of generated video. Supported parameter combinations and prices are determined by the live API and may vary by model version.
Code Examples
import timeimport requestsBASE = "https://api.ofox.run/v1/videos"HEADERS = {"Authorization": "Bearer YOUR_OFOX_API_KEY"}# Create the generation tasktask = requests.post(BASE, headers=HEADERS, json={"model": "bytedance/seedance-2.5","prompt": "A golden retriever running on the beach at sunset","duration": 4,"resolution": "720p","generate_audio": True,}).json()# Poll until the task reaches a terminal statewhile True:task = requests.get(f"{BASE}/{task['id']}", headers=HEADERS).json()if task["status"] in ("completed", "failed", "cancelled", "expired"):breaktime.sleep(10)# Prefer mirror_urls (persistent) then fall back to unsigned_urls (24h)print((task.get("mirror_urls") or task.get("unsigned_urls") or [None])[0])
Related Models
More from ByteDance
Similar Models
Frequently Asked Questions
Seedance 2.5 on Ofox.ai costs from $0.11 per second of generated video. The exact rate depends on resolution, generation mode, and audio. Pay-as-you-go, no monthly fees.
Seedance 2.5 supports: Text to Video, Image to Video, Video to Video, 480p / 720p, 4-30s, 21:9 / 16:9 / 4:3 / 1:1 / 3:4 / 9:16 / adaptive. The exact supported combinations are returned by the API.
Create a generation task via POST https://api.ofox.run/v1/videos with your Ofox API key, then poll the task status until it completes and download the video from mirror_urls (or unsigned_urls).
Seedance 2.5 supports the following capabilities: Video Input. Access all features through the Ofox.ai unified API.