diff --git a/backend/internal/service/billing_service.go b/backend/internal/service/billing_service.go
index 7fa69d41ea..873773d9f9 100644
--- a/backend/internal/service/billing_service.go
+++ b/backend/internal/service/billing_service.go
@@ -802,6 +802,7 @@ func (s *BillingService) GetModelPricing(model string) (*ModelPricing, error) {
 				LongContextInputThreshold:          litellmPricing.LongContextInputTokenThreshold,
 				LongContextInputMultiplier:         litellmPricing.LongContextInputCostMultiplier,
 				LongContextOutputMultiplier:        litellmPricing.LongContextOutputCostMultiplier,
+				ImageInputPricePerToken:            litellmPricing.InputCostPerImageToken,
 				ImageOutputPricePerToken:           litellmPricing.OutputCostPerImageToken,
 			}), nil
 		}
diff --git a/backend/internal/service/pricing_service.go b/backend/internal/service/pricing_service.go
index d0ae3c7d96..814d6ddaa1 100644
--- a/backend/internal/service/pricing_service.go
+++ b/backend/internal/service/pricing_service.go
@@ -125,6 +125,7 @@ type LiteLLMModelPricing struct {
 	SupportsPromptCaching               bool    `json:"supports_prompt_caching"`
 	OutputCostPerImage                  float64 `json:"output_cost_per_image"`       // 图片生成模型每张图片价格
 	OutputCostPerImageToken             float64 `json:"output_cost_per_image_token"` // 图片输出 token 价格
+	InputCostPerImageToken              float64 `json:"input_cost_per_image_token"`  // 图片输入 token 价格（如 gpt-image-2 图片编辑）
 
 	// TokenPricingAbsent 表示源数据中 input/output token 价格均缺失（仅有图片价）。
 	// 此类条目只可用于图片计费，token 计费必须回退到 fallback 或 fail-closed，
@@ -158,6 +159,7 @@ type LiteLLMRawEntry struct {
 	SupportsPromptCaching               bool     `json:"supports_prompt_caching"`
 	OutputCostPerImage                  *float64 `json:"output_cost_per_image"`
 	OutputCostPerImageToken             *float64 `json:"output_cost_per_image_token"`
+	InputCostPerImageToken              *float64 `json:"input_cost_per_image_token"`
 }
 
 // PricingService 动态价格服务
@@ -435,7 +437,7 @@ func (s *PricingService) parsePricingData(body []byte) (map[string]*LiteLLMModel
 		}
 
 		// 只保留有有效价格的条目
-		if entry.InputCostPerToken == nil && entry.OutputCostPerToken == nil && entry.OutputCostPerImage == nil && entry.OutputCostPerImageToken == nil {
+		if entry.InputCostPerToken == nil && entry.OutputCostPerToken == nil && entry.OutputCostPerImage == nil && entry.OutputCostPerImageToken == nil && entry.InputCostPerImageToken == nil {
 			continue
 		}
 
@@ -489,6 +491,9 @@ func (s *PricingService) parsePricingData(body []byte) (map[string]*LiteLLMModel
 		if entry.OutputCostPerImageToken != nil {
 			pricing.OutputCostPerImageToken = *entry.OutputCostPerImageToken
 		}
+		if entry.InputCostPerImageToken != nil {
+			pricing.InputCostPerImageToken = *entry.InputCostPerImageToken
+		}
 
 		result[modelName] = pricing
 	}