How can developers access Seedance 2.5 API?

Developers can access Seedance 2.5 through CometAPI, which provides unified API access and simplified integration workflows.

How does Seedance 2.5 compare with Sora and Veo?

Seedance 2.5 focuses on creative video generation and commercial production workflows, while Sora emphasizes advanced simulation and Veo focuses on realistic video understanding and professional production quality.

What types of videos can Seedance 2.5 API create?

Seedance 2.5 can generate marketing videos, social media clips, product demonstrations, storytelling scenes, animation concepts, and other creative video content.

Does Seedance 2.5 support image-to-video generation?

Yes. Seedance 2.5 supports image-based video workflows, allowing users to animate reference images and create dynamic visual content.

Is Seedance 2.5 suitable for enterprise video automation?

Yes. Seedance 2.5 is suitable for enterprises that need scalable AI-generated videos for advertising, e-commerce, and content marketing workflows.

Can Seedance 2.5 API generate cinematic videos from text prompts?

Yes. Seedance 2.5 is designed for text-to-video generation and can transform natural language descriptions into cinematic video sequences with scenes, motion, and visual styles.

Doubao

可使用熱門

seedance-2-5

Seedance-2-5 API

seedance-2-5 is a next-generation audio-video joint generation model built for 30-second storytelling, with precise reference control and powerful editing capabilities.

起始價格

$0.103 / 秒

按使用量計費

API 健康狀態

可使用

正式環境端點

回應時間

支援非同步

實測 API 回應時間

發布時間

Aug 6, 2026

Doubao

概覽

Seedance-2-5 的實用總覽,涵蓋重要行為與整合注意事項。

Technical Specifications of Seedance 2.5

Specification	Details
Model name	Seedance 2.5
Provider	ByteDance Seed
Model family	Seedance Video Generation Series
Model type	Multimodal AI video generation model
Primary capability	Text-to-video / Image-to-video / Reference-to-video
Input modalities	Text, Image, Video, Audio
Output	AI-generated video with synchronized audio
Maximum generation length	Up to 30 seconds
Maximum references	Up to 50 multimodal references
Resolution	Native 4K claimed by product materials
Audio generation	Supported
Editing capability	Video refinement and editing workflows
Character consistency	Improved multi-scene consistency
Main applications	Advertising, film pre-production, ecommerce, social media, gaming

What Is Seedance 2.5?

Seedance 2.5 is an advanced AI video generation model developed by ByteDance’s Seed team, designed to transform natural language descriptions and visual references into high-quality video content.

Compared with earlier text-to-video systems that mainly focused on generating short visual clips from simple prompts, Seedance 2.5 emphasizes semantic understanding, cinematic composition, motion consistency, and creative controllability.

Main Features of Seedance 2.5

1. Native 30-Second Single-Shot Video Generation

A major improvement over previous Seedance generations is longer continuous generation.

Seedance 2.5 supports:

Up to 30-second video generation
Multi-shot storytelling
Scene transitions
Narrative continuity

This enables creators to generate complete scenes instead of combining multiple short clips manually.

2. Advanced Multimodal Reference Control

Seedance 2.5 supports large-scale reference inputs.

Users can provide:

Character images
Product images
Style references
Video references
Audio references

The goal is maintaining:

Character identity
Visual style
Motion consistency
Brand elements

throughout generated sequences.

3. Improved Character Consistency

AI video generation often struggles with identity changes between frames.

Seedance 2.5 improves:

Character appearance stability
Multi-character scenes
Long-shot consistency
Object persistence

This makes it more suitable for:

Advertising campaigns
Story-driven videos
Virtual characters

4. Audio-Visual Generation

Seedance models emphasize unified audio-video generation.

Capabilities include:

Background sound
Music synchronization
Audio references
Lip-sync style workflows

Seedance 2.0 introduced native audio-video joint generation, establishing the foundation for this direction.

5. Production-Level Video Editing

Seedance 2.5 supports iterative creative workflows:

Modify generated scenes
Preserve existing elements
Adjust motion
Refine details

Instead of generating from scratch repeatedly, creators can progressively edit outputs.

6. Cinematic Camera and Motion Control

Seedance 2.5 focuses on controllable cinematic generation:

Examples:

Camera movement
Scene composition
Object interaction
Complex motion sequences

This targets professional video production rather than simple prompt animation.

How to Use Seedance 2.5 API with CometAPI

Seedance 2.5 is ByteDance Seed’s advanced AI video generation model designed for professional video creation workflows, supporting text-to-video, image-to-video, and multimodal reference generation. Developers typically interact with Seedance models through asynchronous video generation APIs: create a generation task, receive a task ID, poll the status, and retrieve the generated video after completion.

CometAPI provides a unified API access layer for AI video models, allowing developers to integrate Seedance-family models through a consistent REST interface instead of managing multiple provider SDKs and authentication systems.

Step 1: Get Your CometAPI API Key

First, create a CometAPI account and generate an API key from the developer console. Your API key should be stored securely on your backend server and never exposed in client-side applications.

Step 2: Create a Seedance 2.5 Video Generation Task

Seedance-style video generation APIs typically support multiple generation modes, including text-to-video and image-to-video workflows. The current Seedance API implementation uses asynchronous generation tasks; after submitting a request, the user receives a task ID and can then retrieve the generated video. Before using the API, it's recommended to test it on PlayGround.

Step 3: Build AI Video Applications

With CometAPI, developers can combine Seedance 2.5 with other AI models:

GPT models for script generation
Image models for storyboard creation
Speech models for voiceovers
Video models for final production

This creates a complete AI content production pipeline.

常見問題

定價

先參考上方的單次執行預估,再查看完整的 CometAPI 與官方價格比較。

5 秒測試

$0.515

預估 CometAPI 使用費用

10 秒測試

$1.03

預估 CometAPI 使用費用

15 秒測試

$1.54

預估 CometAPI 使用費用

Seedance-2-5 的定價

探索 Seedance-2-5 的競爭性定價，專為滿足各種預算和使用需求而設計。我們靈活的方案確保您只需為實際使用量付費，讓您能夠隨著需求增長輕鬆擴展。了解 Seedance-2-5 如何在保持成本可控的同時提升您的專案效果。

Seedance 2.5 Video Generation Pricing

Customer model ID: seedance-2-5

Resolution	Official price / second	Actual price / second
480p (854x480)	$0.103	$0.103
720p (1280x720)	$0.231	$0.231

The default group actual billing equals the official price.

Billed per second. Supported duration: 4–30 seconds. Reference images use the input_reference multipart field.

API

複製可用的端點與程式碼範例,需要完整參數時再開啟完整 API 參考文件。

一個 API,直接對接正式環境模型

只需驗證一次,即可呼叫模型端點,並在各供應商間維持一致的計費與監控流程。

POST/v1/videos

Seedance-2-5 的範例程式碼和 API

存取完整的範例程式碼和 API 資源，以簡化您的 Seedance-2-5 整合流程。我們詳盡的文件提供逐步指引，協助您在專案中充分發揮 Seedance-2-5 的潛力。

POST

/v1/videos

#!/bin/bash

set -euo pipefail

if [[ -z "${COMETAPI_KEY:-}" ]]; then
  echo "Set COMETAPI_KEY before running this example."
  exit 0
fi

curl -sS --request POST "https://api.cometapi.com/v1/videos" \
  --header "Authorization: Bearer ${COMETAPI_KEY}" \
  --form-string 'model=seedance-2-5' \
  --form-string 'prompt=A cinematic tracking shot of a paper dragon flying above a lantern-lit river at dusk.' \
  --form-string 'seconds=5' \
  --form-string 'size=16:9' | jq .

cURL Code Example

#!/bin/bash

set -euo pipefail

if [[ -z "${COMETAPI_KEY:-}" ]]; then
  echo "Set COMETAPI_KEY before running this example."
  exit 0
fi

curl -sS --request POST "https://api.cometapi.com/v1/videos" \
  --header "Authorization: Bearer ${COMETAPI_KEY}" \
  --form-string 'model=seedance-2-5' \
  --form-string 'prompt=A cinematic tracking shot of a paper dragon flying above a lantern-lit river at dusk.' \
  --form-string 'seconds=5' \
  --form-string 'size=16:9' | jq .

Python Code Example

import json
import os

import requests


COMETAPI_KEY = os.environ.get("COMETAPI_KEY") or "<YOUR_COMETAPI_KEY>"
BASE_URL = "https://api.cometapi.com"

if COMETAPI_KEY == "<YOUR_COMETAPI_KEY>":
    print("Set COMETAPI_KEY before running this example.")
    raise SystemExit(0)

response = requests.post(
    f"{BASE_URL}/v1/videos",
    headers={"Authorization": f"Bearer {COMETAPI_KEY}"},
    files={
        "model": (None, "seedance-2-5"),
        "prompt": (
            None,
            "A cinematic tracking shot of a paper dragon flying above a lantern-lit river at dusk.",
        ),
        "seconds": (None, "5"),
        "size": (None, "16:9"),
    },
    timeout=30,
)
response.raise_for_status()
print(json.dumps(response.json(), indent=2))

JavaScript Code Example

const apiKey = process.env.COMETAPI_KEY || "<YOUR_COMETAPI_KEY>";
const baseUrl = "https://api.cometapi.com";

if (apiKey === "<YOUR_COMETAPI_KEY>") {
  console.log("Set COMETAPI_KEY before running this example.");
  process.exit(0);
}

const form = new FormData();
form.set("model", "seedance-2-5");
form.set(
  "prompt",
  "A cinematic tracking shot of a paper dragon flying above a lantern-lit river at dusk.",
);
form.set("seconds", "5");
form.set("size", "16:9");

const response = await fetch(`${baseUrl}/v1/videos`, {
  method: "POST",
  headers: { Authorization: `Bearer ${apiKey}` },
  body: form,
});

if (!response.ok) {
  console.error(await response.text());
  process.exit(1);
}

console.log(JSON.stringify(await response.json(), null, 2));

功能

在選擇架構或評估正式環境負載前,先掌握模型的關鍵資訊。

支援的功能

現有模型 API 回傳的功能。

text-to-video

image-to-video

輸入與輸出

輸入

text

輸出

video

正式環境資訊

供應商: Doubao
上下文: 依模型而定
商業使用: 支援

應用場景

將 Seedance-2-5 用於符合其 video 能力的正式工作流程,並在長期整合前比較其他選項。

文字轉影片的概念與社群內容

產品展示與電影感分鏡

圖像轉影片動態與創意迭代

其他模型

比較 CometAPI 提供的其他模型,在品質、延遲、功能與價格間取得平衡。

開啟模型比較 →

MiniMax

MiniMax H3

minimax-h3 is a new video generation model designed for high-quality creative production. It delivers improved prompt understanding, stronger visual consistency, smoother motion, and more flexible reference-image control for cinematic video generation workflows.

查看模型

Flux

Flux 3

FLUX 3 - Real World Models: Towards Multimodal Flow Models as the Backbone of Visual Intelligence.

查看模型

Doubao

Seedance 2-0

Seedance 2.0 是 ByteDance 面向電影級、多鏡頭敘事影片生成的新一代多模態影片基礎模型。不同於單鏡頭的文字轉影片示範，Seedance 2.0 強調基於參考的控制（圖像、短片段、音訊）、角色與風格在跨鏡頭間的連貫與一致性，以及原生的聲畫同步——旨在讓 AI 影片切實服務於專業創作與前期預視工作流程。

查看模型

Aliyun

Happy Horse 1.1

HappyHorse 1.1 是一款多模態影片生成模型，專為專業內容製作、廣告、短片、社群媒體製作與故事創作而設計。它在 HappyHorse 1.0 的基礎上擴展了能力——HappyHorse 1.0 因在獨立的影片生成評測中名列前茅而廣受關注——並具備更強的場景連貫性與更佳的視覺保真度。

查看模型

Aliyun

Happy Horse 1.0

Happy Horse 1.0 — A high-quality audio-video generation model that supports text-to-video and image-to-video creation. It can generate synchronized visuals, audio, and lip movements, making it suitable for short films, advertising creatives, and product showcases.

查看模型

Google

Gemini omni fast

Gemini Omni Fast is a lightweight multimodal video generation model designed for fast and flexible content creation. It enables efficient video generation with support for multiple input types, making it suitable for interactive and iterative workflows.

查看模型

Uptime

在正式上線前,查看即時心跳資料、端點可用性與實測回應時間。

版本

在鎖定正式環境整合版本前,先查看可用的模型識別碼。

seedance-2-5

持續探索

比較模型,繼續你的研究

Doubao

可使用熱門

seedance-2-5

Seedance-2-5 API

seedance-2-5 is a next-generation audio-video joint generation model built for 30-second storytelling, with precise reference control and powerful editing capabilities.

起始價格

$0.103 / 秒

按使用量計費

API 健康狀態

可使用

正式環境端點

回應時間

支援非同步

實測 API 回應時間

發布時間

Aug 6, 2026

Doubao

概覽

Seedance-2-5 的實用總覽,涵蓋重要行為與整合注意事項。

Technical Specifications of Seedance 2.5

Specification	Details
Model name	Seedance 2.5
Provider	ByteDance Seed
Model family	Seedance Video Generation Series
Model type	Multimodal AI video generation model
Primary capability	Text-to-video / Image-to-video / Reference-to-video
Input modalities	Text, Image, Video, Audio
Output	AI-generated video with synchronized audio
Maximum generation length	Up to 30 seconds
Maximum references	Up to 50 multimodal references
Resolution	Native 4K claimed by product materials
Audio generation	Supported
Editing capability	Video refinement and editing workflows
Character consistency	Improved multi-scene consistency
Main applications	Advertising, film pre-production, ecommerce, social media, gaming

What Is Seedance 2.5?

Seedance 2.5 is an advanced AI video generation model developed by ByteDance’s Seed team, designed to transform natural language descriptions and visual references into high-quality video content.

Main Features of Seedance 2.5

1. Native 30-Second Single-Shot Video Generation

A major improvement over previous Seedance generations is longer continuous generation.

Seedance 2.5 supports:

Up to 30-second video generation
Multi-shot storytelling
Scene transitions
Narrative continuity

This enables creators to generate complete scenes instead of combining multiple short clips manually.

2. Advanced Multimodal Reference Control

Seedance 2.5 supports large-scale reference inputs.

Users can provide:

Character images
Product images
Style references
Video references
Audio references

The goal is maintaining:

Character identity
Visual style
Motion consistency
Brand elements

throughout generated sequences.

3. Improved Character Consistency

AI video generation often struggles with identity changes between frames.

Seedance 2.5 improves:

Character appearance stability
Multi-character scenes
Long-shot consistency
Object persistence

This makes it more suitable for:

Advertising campaigns
Story-driven videos
Virtual characters

4. Audio-Visual Generation

Seedance models emphasize unified audio-video generation.

Capabilities include:

Background sound
Music synchronization
Audio references
Lip-sync style workflows

Seedance 2.0 introduced native audio-video joint generation, establishing the foundation for this direction.

5. Production-Level Video Editing

Seedance 2.5 supports iterative creative workflows:

Modify generated scenes
Preserve existing elements
Adjust motion
Refine details

Instead of generating from scratch repeatedly, creators can progressively edit outputs.

6. Cinematic Camera and Motion Control

Seedance 2.5 focuses on controllable cinematic generation:

Examples:

Camera movement
Scene composition
Object interaction
Complex motion sequences

This targets professional video production rather than simple prompt animation.

How to Use Seedance 2.5 API with CometAPI

Step 1: Get Your CometAPI API Key

First, create a CometAPI account and generate an API key from the developer console. Your API key should be stored securely on your backend server and never exposed in client-side applications.

Step 2: Create a Seedance 2.5 Video Generation Task

Step 3: Build AI Video Applications

With CometAPI, developers can combine Seedance 2.5 with other AI models:

GPT models for script generation
Image models for storyboard creation
Speech models for voiceovers
Video models for final production

This creates a complete AI content production pipeline.

常見問題

定價

先參考上方的單次執行預估,再查看完整的 CometAPI 與官方價格比較。

5 秒測試

$0.515

預估 CometAPI 使用費用

10 秒測試

$1.03

預估 CometAPI 使用費用

15 秒測試

$1.54

預估 CometAPI 使用費用

Seedance-2-5 的定價

Seedance 2.5 Video Generation Pricing

Customer model ID: seedance-2-5

Resolution	Official price / second	Actual price / second
480p (854x480)	$0.103	$0.103
720p (1280x720)	$0.231	$0.231

The default group actual billing equals the official price.

Billed per second. Supported duration: 4–30 seconds. Reference images use the input_reference multipart field.

API

複製可用的端點與程式碼範例,需要完整參數時再開啟完整 API 參考文件。

一個 API,直接對接正式環境模型

只需驗證一次,即可呼叫模型端點,並在各供應商間維持一致的計費與監控流程。

POST/v1/videos

Seedance-2-5 的範例程式碼和 API

存取完整的範例程式碼和 API 資源，以簡化您的 Seedance-2-5 整合流程。我們詳盡的文件提供逐步指引，協助您在專案中充分發揮 Seedance-2-5 的潛力。

POST

/v1/videos

#!/bin/bash

set -euo pipefail

if [[ -z "${COMETAPI_KEY:-}" ]]; then
  echo "Set COMETAPI_KEY before running this example."
  exit 0
fi

curl -sS --request POST "https://api.cometapi.com/v1/videos" \
  --header "Authorization: Bearer ${COMETAPI_KEY}" \
  --form-string 'model=seedance-2-5' \
  --form-string 'prompt=A cinematic tracking shot of a paper dragon flying above a lantern-lit river at dusk.' \
  --form-string 'seconds=5' \
  --form-string 'size=16:9' | jq .

cURL Code Example

#!/bin/bash

set -euo pipefail

if [[ -z "${COMETAPI_KEY:-}" ]]; then
  echo "Set COMETAPI_KEY before running this example."
  exit 0
fi

curl -sS --request POST "https://api.cometapi.com/v1/videos" \
  --header "Authorization: Bearer ${COMETAPI_KEY}" \
  --form-string 'model=seedance-2-5' \
  --form-string 'prompt=A cinematic tracking shot of a paper dragon flying above a lantern-lit river at dusk.' \
  --form-string 'seconds=5' \
  --form-string 'size=16:9' | jq .

Python Code Example

import json
import os

import requests


COMETAPI_KEY = os.environ.get("COMETAPI_KEY") or "<YOUR_COMETAPI_KEY>"
BASE_URL = "https://api.cometapi.com"

if COMETAPI_KEY == "<YOUR_COMETAPI_KEY>":
    print("Set COMETAPI_KEY before running this example.")
    raise SystemExit(0)

response = requests.post(
    f"{BASE_URL}/v1/videos",
    headers={"Authorization": f"Bearer {COMETAPI_KEY}"},
    files={
        "model": (None, "seedance-2-5"),
        "prompt": (
            None,
            "A cinematic tracking shot of a paper dragon flying above a lantern-lit river at dusk.",
        ),
        "seconds": (None, "5"),
        "size": (None, "16:9"),
    },
    timeout=30,
)
response.raise_for_status()
print(json.dumps(response.json(), indent=2))

JavaScript Code Example

const apiKey = process.env.COMETAPI_KEY || "<YOUR_COMETAPI_KEY>";
const baseUrl = "https://api.cometapi.com";

if (apiKey === "<YOUR_COMETAPI_KEY>") {
  console.log("Set COMETAPI_KEY before running this example.");
  process.exit(0);
}

const form = new FormData();
form.set("model", "seedance-2-5");
form.set(
  "prompt",
  "A cinematic tracking shot of a paper dragon flying above a lantern-lit river at dusk.",
);
form.set("seconds", "5");
form.set("size", "16:9");

const response = await fetch(`${baseUrl}/v1/videos`, {
  method: "POST",
  headers: { Authorization: `Bearer ${apiKey}` },
  body: form,
});

if (!response.ok) {
  console.error(await response.text());
  process.exit(1);
}

console.log(JSON.stringify(await response.json(), null, 2));