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Gemini 3.1 Flash Image

google/gemini-3.1-flash-image

谷歌最强图像模型，nano banana 2 。Gemini 3.1 Flash Image 将最强大的图像生成功能推向主流市场。它提升了图像质量、视觉理解能力，更好地渲染了多种语言的长文本段落，并提高了图像的真实性。该模型还能够生成分辨率从 512 (0.25MP) 到 4K (16MP) 的图像。

Modalities
Public starting price
Priced by multiple attributes
Added to catalog
Feb 28, 2026

Online Inference

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Controls and defaults come directly from this model’s API schema.

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Task result

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Gemini 3.1 Flash Image
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Task History

Task history

Only generation records from the last seven days are available.

Generation details

API Call

Gemini 3.1 Flash Image 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": "google/gemini-3.1-flash-image", "aspect_ratio": "16:9", "image": "https://oss.shengsuanyun.com/example/modelinfo/283/input_0.jpg", "prompt": "将画面中的男性替换为女性，该女性手持香蕉", "response_modalities": [ "IMAGE" ], "size": "1K" }'
                  
                    
                        
                        #!/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": "google/gemini-3.1-flash-image",
                      
                        
                          "aspect_ratio": "16:9",
                      
                        
                          "image": "https://oss.shengsuanyun.com/example/modelinfo/283/input_0.jpg",
                      
                        
                          "prompt": "将画面中的男性替换为女性，该女性手持香蕉",
                      
                        
                          "response_modalities": [
                      
                        
                            "IMAGE"
                      
                        
                          ],
                      
                        
                          "size": "1K"
                      
                        
                        }'
#!/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
图片·输入
¥3.5/M token
图片·输出
¥420/M token