bytedance/seedance-2.0-fast/reference-to-video

Imagem para Vídeo

Apenas uso comercial

Fast multimodal video generation from reference images, videos, and audio. Supports video editing and extension.

Entrada

Carregando configuração de parâmetros...

Saída

Inativo

Os vídeos gerados serão exibidos aqui

Configure os parâmetros e clique em executar para começar a gerar

Cada execução custará 0.081. Com $10 você pode executar aproximadamente 123 vezes.

Você pode continuar com:

Upscale de Vídeo Estender Vídeo

Parâmetros

Exemplo de código
import requests
import time

# Step 1: Start video generation
generate_url = "https://api.atlascloud.ai/api/v1/model/generateVideo"
headers = {
    "Content-Type": "application/json",
    "Authorization": "Bearer $ATLASCLOUD_API_KEY"
}
data = {
    "model": "bytedance/seedance-2.0-fast/reference-to-video",
    "prompt": "A beautiful sunset over the ocean with gentle waves",
    "width": 512,
    "height": 512,
    "duration": 3,
    "fps": 24,
}

generate_response = requests.post(generate_url, headers=headers, json=data)
generate_result = generate_response.json()
prediction_id = generate_result["data"]["id"]

# Step 2: Poll for result
poll_url = f"https://api.atlascloud.ai/api/v1/model/prediction/{prediction_id}"

def check_status():
    while True:
        response = requests.get(poll_url, headers={"Authorization": "Bearer $ATLASCLOUD_API_KEY"})
        result = response.json()

        if result["data"]["status"] in ["completed", "succeeded"]:
            print("Generated video:", result["data"]["outputs"][0])
            return result["data"]["outputs"][0]
        elif result["data"]["status"] == "failed":
            raise Exception(result["data"]["error"] or "Generation failed")
        else:
            # Still processing, wait 2 seconds
            time.sleep(2)

video_url = check_status()

Instalar

Instale o pacote necessário para a sua linguagem de programação.

bash

pip install requests

Autenticação

Todas as solicitações de API requerem autenticação por meio de uma chave de API. Você pode obter sua chave de API no painel do Atlas Cloud.

bash

export ATLASCLOUD_API_KEY="your-api-key-here"

Cabeçalhos HTTP

python

import os

API_KEY = os.environ.get("ATLASCLOUD_API_KEY")
headers = {
    "Content-Type": "application/json",
    "Authorization": f"Bearer {API_KEY}"
}

Mantenha sua chave de API segura

Nunca exponha sua chave de API em código do lado do cliente ou repositórios públicos. Use variáveis de ambiente ou um proxy de backend.

Enviar uma solicitação

import requests

url = "https://api.atlascloud.ai/api/v1/model/generateVideo"
headers = {
    "Content-Type": "application/json",
    "Authorization": "Bearer $ATLASCLOUD_API_KEY"
}
data = {
    "model": "your-model",
    "prompt": "A beautiful landscape"
}

response = requests.post(url, headers=headers, json=data)
print(response.json())

Enviar uma solicitação

Envie uma solicitação de geração assíncrona. A API retorna um ID de predição que você pode usar para verificar o status e obter o resultado.

POST/api/v1/model/generateVideo

Corpo da solicitação

import requests

url = "https://api.atlascloud.ai/api/v1/model/generateVideo"
headers = {
    "Content-Type": "application/json",
    "Authorization": "Bearer $ATLASCLOUD_API_KEY"
}

data = {
    "model": "bytedance/seedance-2.0-fast/reference-to-video",
    "input": {
        "prompt": "A beautiful sunset over the ocean with gentle waves"
    }
}

response = requests.post(url, headers=headers, json=data)
result = response.json()

print(f"Prediction ID: {result['id']}")
print(f"Status: {result['status']}")

Resposta

{
  "id": "pred_abc123",
  "status": "processing",
  "model": "model-name",
  "created_at": "2025-01-01T00:00:00Z"
}

Verificar status

Consulte o endpoint de predição para verificar o status atual da sua solicitação.

GET/api/v1/model/prediction/{prediction_id}

Exemplo de polling

import requests
import time

prediction_id = "pred_abc123"
url = f"https://api.atlascloud.ai/api/v1/model/prediction/{prediction_id}"
headers = { "Authorization": "Bearer $ATLASCLOUD_API_KEY" }

while True:
    response = requests.get(url, headers=headers)
    result = response.json()
    status = result["data"]["status"]
    print(f"Status: {status}")

    if status in ["completed", "succeeded"]:
        output_url = result["data"]["outputs"][0]
        print(f"Output URL: {output_url}")
        break
    elif status == "failed":
        print(f"Error: {result['data'].get('error', 'Unknown')}")
        break

    time.sleep(3)

Valores de status

processingA solicitação ainda está sendo processada.

completedA geração está completa. As saídas estão disponíveis.

succeededA geração foi bem-sucedida. As saídas estão disponíveis.

failedA geração falhou. Verifique o campo de erro.

Resposta concluída

{
  "data": {
    "id": "pred_abc123",
    "status": "completed",
    "outputs": [
      "https://storage.atlascloud.ai/outputs/result.mp4"
    ],
    "metrics": {
      "predict_time": 45.2
    },
    "created_at": "2025-01-01T00:00:00Z",
    "completed_at": "2025-01-01T00:00:10Z"
  }
}

Enviar arquivos

Envie arquivos para o armazenamento do Atlas Cloud e obtenha uma URL que pode ser usada nas suas solicitações de API. Use multipart/form-data para enviar.

POST/api/v1/model/uploadMedia

Exemplo de upload

import requests

url = "https://api.atlascloud.ai/api/v1/model/uploadMedia"
headers = { "Authorization": "Bearer $ATLASCLOUD_API_KEY" }

with open("image.png", "rb") as f:
    files = {"file": ("image.png", f, "image/png")}
    response = requests.post(url, headers=headers, files=files)

result = response.json()
download_url = result["data"]["download_url"]
print(f"File URL: {download_url}")

Resposta

{
  "data": {
    "download_url": "https://storage.atlascloud.ai/uploads/abc123/image.png",
    "file_name": "image.png",
    "content_type": "image/png",
    "size": 1024000
  }
}

Schema de entrada

Os seguintes parâmetros são aceitos no corpo da solicitação.

Total: 0Obrigatório: 0Opcional: 0

Nenhum parâmetro disponível.

Exemplo de corpo da solicitação

json

{
  "model": "bytedance/seedance-2.0-fast/reference-to-video"
}

Schema de saída

A API retorna uma resposta de predição com as URL de saída geradas.

idstringrequired

Unique identifier for the prediction.

statusstringrequired

Current status of the prediction.

processingcompletedsucceededfailed

modelstringrequired

The model used for generation.

outputsarray[string]

Array of output URLs. Available when status is "completed".

errorstring

Error message if status is "failed".

metricsobject

Performance metrics.

predict_timenumber

Time taken for video generation in seconds.

created_atstringrequired

ISO 8601 timestamp when the prediction was created.

Format: date-time

completed_atstring

ISO 8601 timestamp when the prediction was completed.

Format: date-time

Exemplo de resposta

json

{
  "id": "pred_abc123",
  "status": "completed",
  "model": "model-name",
  "outputs": [
    "https://storage.atlascloud.ai/outputs/result.mp4"
  ],
  "metrics": {
    "predict_time": 45.2
  },
  "created_at": "2025-01-01T00:00:00Z",
  "completed_at": "2025-01-01T00:00:10Z"
}

Atlas Cloud Skills

O Atlas Cloud Skills integra mais de 300 modelos de IA diretamente no seu assistente de codificação com IA. Um comando para instalar e depois use linguagem natural para gerar imagens, vídeos e conversar com LLM.

Clientes compatíveis

Claude Code

OpenAI Codex

Gemini CLI

Cursor

Windsurf

VS Code

Trae

GitHub Copilot

Cline

Roo Code

Amp

Goose

Replit

40+ clientes compatíveis

Instalar

bash

npx skills add AtlasCloudAI/atlas-cloud-skills

Configurar chave de API

Obtenha sua chave de API no painel do Atlas Cloud e defina-a como variável de ambiente.

bash

export ATLASCLOUD_API_KEY="your-api-key-here"

Funcionalidades

Após a instalação, você pode usar linguagem natural no seu assistente de IA para acessar todos os modelos do Atlas Cloud.

Geração de imagensGere imagens com modelos como Nano Banana 2, Z-Image e mais.

Criação de vídeosCrie vídeos a partir de texto ou imagens com Kling, Vidu, Veo, etc.

Chat com LLMConverse com Qwen, DeepSeek e outros modelos de linguagem de grande escala.

Upload de mídiaEnvie arquivos locais para fluxos de trabalho de edição de imagens e imagem para vídeo.

Saiba mais

github.com/AtlasCloudAI/atlas-cloud-skills

MCP Server

O Atlas Cloud MCP Server conecta seu IDE com mais de 300 modelos de IA através do Model Context Protocol. Funciona com qualquer cliente compatível com MCP.

Clientes compatíveis

Cursor

VS Code

Windsurf

Claude Code

OpenAI Codex

Gemini CLI

Cline

Roo Code

100+ clientes compatíveis

Instalar

bash

npx -y atlascloud-mcp

Configuração

Adicione a seguinte configuração ao arquivo de configuração de MCP do seu IDE.

json

{
  "mcpServers": {
    "atlascloud": {
      "command": "npx",
      "args": [
        "-y",
        "atlascloud-mcp"
      ],
      "env": {
        "ATLASCLOUD_API_KEY": "your-api-key-here"
      }
    }
  }
}

Ferramentas disponíveis

atlas_generate_imageGere imagens a partir de prompts de texto.

atlas_generate_videoCrie vídeos a partir de texto ou imagens.

atlas_chatConverse com modelos de linguagem de grande escala.

atlas_list_modelsExplore mais de 300 modelos de IA disponíveis.

atlas_quick_generateCriação de conteúdo em uma etapa com seleção automática de modelo.

atlas_upload_mediaEnvie arquivos locais para fluxos de trabalho de API.

Saiba mais

github.com/AtlasCloudAI/mcp-server

API Schema

Schema não disponível

Faça login para ver o histórico de solicitações

Você precisa fazer login para acessar o histórico de solicitações do modelo.

Fazer Login

1. Introduction

Seedance 2.0 is a state-of-the-art multimodal generative AI model designed for synchronized video and audio content creation. Developed by ByteDance and integrated into the CapCut/Dreamina platform as of March 2026, this model family advances the field of generative multimedia by combining sophisticated diffusion transformer architectures with physics-informed world modeling for realistic motion and spatial consistency.

Seedance 2.0’s significance lies in its Dual-Branch Diffusion Transformer (DB-DiT) architecture that jointly processes video and audio streams, enabling phoneme-level lip synchronization across multiple languages. Compared to previous iterations, it achieves substantially higher output usability rates and faster generation speeds. The two variants target different workloads: Seedance 2.0 delivers high-fidelity, cinematic-quality renders with enhanced lighting and texture detail, while Seedance 2.0 Fast provides a cost-effective, accelerated pipeline optimized for high throughput and rapid prototyping.

2. Key Features & Innovations

Dual-Branch Diffusion Transformer Architecture: Seedance 2.0 integrates separate yet synchronized diffusion branches for video and audio, enabling tight coupling between visual motion and sound generation. This architecture improves motion realism and audio-visual coherence beyond previous generative models.
World Model with Physics Simulation: The model incorporates a physics-based world modeling approach that simulates realistic object motion and spatial consistency over time. This leads to naturalistic dynamics and stable scene composition across generated video sequences.
Rich Multimodal Input Support: Seedance 2.0 accepts diverse input formats including text prompts, up to 9 images, and up to 3 video or audio clips of 15 seconds each. This flexibility allows nuanced content creation workflows combining static, dynamic, and auditory cues.
Phoneme-Level Lip Synchronization: The native audio generation pipeline supports lip-sync at the phoneme granularity in 8+ languages, ensuring high fidelity mouth movements closely match generated speech or singing.
High Usability and Efficiency: The model achieves an estimated 90% usable output rate compared to an industry average of approximately 20%, reducing post-processing overhead. Additionally, it delivers a 30% inference speed advantage over predecessor systems.
API Variants for Different Use Cases: The Seedance 2.0 endpoint is geared toward high fidelity and cinematic visual effects suitable for final production, while the Seedance 2.0 Fast variant offers roughly 3 times faster generation and approximately 91% cost savings at $0.022 per second of output, ideal for rapid iteration and volume workflows.

3. Model Architecture & Technical Details

Seedance 2.0 is built around the Dual-Branch Diffusion Transformer (DB-DiT), which separately processes video and audio streams via transformer-based denoising diffusion models while synchronizing generation steps to enforce audio-visual alignment. The system leverages a World Model that integrates physics simulation modules, enabling consistent spatial and temporal object behaviors within video sequences.

Training was conducted in multiple stages on large-scale, diverse datasets spanning images, videos, text captions, and audio recordings across multiple languages. Initial large-scale pre-training utilized resolutions spanning from 720p to 1080p, followed by supervised fine-tuning (SFT) to improve text and visual prompt conditioning fidelity. Reinforcement Learning with Human Feedback (RLHF) optimized multi-dimensional reward models that simultaneously assess aesthetics, motion coherence, and audio-visual synchronization quality.

The training pipeline supports multiple aspect ratios including 9:16, 16:9, 1:1, and 4:3, and target output lengths from 4 to 60 seconds. Specialized modules enable the @ reference system for fine-grained control of creative elements based on provided input assets.

4. Performance Highlights

Seedance 2.0 was benchmarked on the comprehensive SeedVideoBench-2.0 suite, which evaluates generative video models across over 50 image-based and 24 video-based benchmarks covering diverse content domains and multi-modal tasks.

Rank	Model	Developer	Score/Metric	Release Date
1	Kling 3.0	External	Competitive	2025
2	Sora 2	External	Competitive	2025
3	Seedance 2.0	ByteDance	High audiovisual sync, motion realism	2026
4	Veo 3.1	External	Strong baseline	2025

Seedance 2.0 matches or exceeds these contemporary models in synchronized video-audio generation, demonstrating especially strong performance in phoneme-level lip synchronization and motion naturalism thanks to the World Model component. Its 30% speed improvement and 90% output usability rate reflect notable efficiency advancements.

5. Intended Use & Applications

Social Media Content Creation: Efficiently generate engaging short videos with synchronized audio and visually rich effects, tailored for platforms like TikTok and Instagram.
E-commerce Product Videos: Automatically produce dynamic product showcases combining text, image, and video inputs with realistic motion and sound to enhance online shopping experiences.
Marketing Campaigns: Craft high-quality cinematic promotional content that integrates brand assets via the @ reference system for tailored storytelling and audience engagement.
Music Videos: Generate synchronized visuals with phoneme-accurate lip-syncing for multilingual vocal tracks to support artist and record label promotional needs.
Short Narrative Films: Create compelling narrative-driven video clips with coherent motion and spatial consistency, supporting indie filmmakers and content creators.
Fashion and Luxury Showcases: Produce visually detailed and aesthetic presentations incorporating texture and lighting refinements for high-end brand communications.