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Doubao-Seedream-4.5

bytedance/doubao-seedream-4.5

Seedream 4.5 是字节跳动最新推出的图像多模态模型，整合了文生图、图生图、组图输出等能力，融合常识和推理能力。相比前代4.0模型生成效果大幅提升，具备更好的编辑一致性和多图融合效果，能更精准的控制画面细节，小字、小人脸生成更自然

Modalities
Public starting price
¥0.250/image
Added to catalog
Dec 3, 2025

Online Inference

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Doubao-Seedream-4.5
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Generation details

API Call

Doubao-Seedream-4.5 code examples and API guide

Modelmesh normalizes requests and responses across service providers behind one consistent API.

Modelmesh provides an OpenAI-compatible Completion API for more than 300 models and service providers. Call it directly, through the OpenAI SDK, or with supported third-party SDKs.

Modelmesh-specific request headers in these examples are optional. When supplied, your application can appear on the Modelmesh rankings.

#!/usr/bin/env bash set -euo pipefail API_KEY="$SSY_API_KEY" curl --fail-with-body --silent --show-error --location \ --request POST \ "https://router.shengsuanyun.com/api/v1/tasks/generations" \ --header "Content-Type: application/json" \ --header "Authorization: Bearer ${API_KEY}" \ --data '{ "model": "bytedance/doubao-seedream-4.5", "image": [ "https://oss.shengsuanyun.com/example/modelinfo/248/2025-12-05_10:54:49_input_1.png" ], "prompt": "参考这张图片，保持画面内容不变，将图像风格变为动漫风格", "sequential_image_generation": "auto", "sequential_image_generation_options": { "max_count": 1 }, "size": "2048x2048", "watermark": false }'
                  
                    
                        
                        #!/usr/bin/env bash
                      
                        
                        set -euo pipefail
                      
                        
                        ​
                      
                        
                        API_KEY="$SSY_API_KEY"
                      
                        
                        ​
                      
                        
                        curl --fail-with-body --silent --show-error --location \
                      
                        
                          --request POST \
                      
                        
                          "https://router.shengsuanyun.com/api/v1/tasks/generations" \
                      
                        
                          --header "Content-Type: application/json" \
                      
                        
                          --header "Authorization: Bearer ${API_KEY}" \
                      
                        
                          --data '{
                      
                        
                          "model": "bytedance/doubao-seedream-4.5",
                      
                        
                          "image": [
                      
                        
                            "https://oss.shengsuanyun.com/example/modelinfo/248/2025-12-05_10:54:49_input_1.png"
                      
                        
                          ],
                      
                        
                          "prompt": "参考这张图片，保持画面内容不变，将图像风格变为动漫风格",
                      
                        
                          "sequential_image_generation": "auto",
                      
                        
                          "sequential_image_generation_options": {
                      
                        
                            "max_count": 1
                      
                        
                          },
                      
                        
                          "size": "2048x2048",
                      
                        
                          "watermark": false
                      
                        
                        }'
#!/usr/bin/env bash set -euo pipefail API_KEY="$SSY_API_KEY" REQUEST_ID="${SSY_REQUEST_ID:?Set SSY_REQUEST_ID to the ID returned by task submission}" curl --fail-with-body --silent --show-error --location \ --request GET \ "https://router.shengsuanyun.com/api/v1/tasks/generations/${REQUEST_ID}" \ --header "Authorization: Bearer ${API_KEY}"
                  
                    
                        
                        #!/usr/bin/env bash
                      
                        
                        set -euo pipefail
                      
                        
                        ​
                      
                        
                        API_KEY="$SSY_API_KEY"
                      
                        
                        REQUEST_ID="${SSY_REQUEST_ID:?Set SSY_REQUEST_ID to the ID returned by task submission}"
                      
                        
                        ​
                      
                        
                        curl --fail-with-body --silent --show-error --location \
                      
                        
                          --request GET \
                      
                        
                          "https://router.shengsuanyun.com/api/v1/tasks/generations/${REQUEST_ID}" \
                      
                        
                          --header "Authorization: Bearer ${API_KEY}"

Pricing

Pricing Details

All prices shown in CNY
每张图片
¥0.25/每张图片