Jimeng

Seedance 2.5

Video Generation
bytedance/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
ByteDanceBytePlusVolcengineVolcengine
Supported Protocols
OpenAIopenai

Pricing

From $0.11/s
ResolutionModeAudioPrice / Second
480pText to VideoAny$0.11/s
480pVideo to VideoAny$0.14/s
720pText to VideoAny$0.24/s
720pVideo to VideoAny$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 time
import requests
BASE = "https://api.ofox.io/v1/videos"
HEADERS = {"Authorization": "Bearer YOUR_OFOX_API_KEY"}
# Create the generation task
task = 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 state
while True:
task = requests.get(f"{BASE}/{task['id']}", headers=HEADERS).json()
if task["status"] in ("completed", "failed", "cancelled", "expired"):
break
time.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])

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.