fix model

Author: xiaozhou26

API.md

@@ -83,18 +83,6 @@ curl --location 'http://你的服务器ip:8080/v1/models' \
 --header 'Authorization: Bearer access_token'
 ```
 
-当前内置模型列表：
-
-```text
-auto
-gpt-5
-gpt-5-1
-gpt-5-2
-gpt-5-3
-gpt-5-3-mini
-gpt-image-2
-```
-
 ## 文件上传和文件问答
 
 上传文件：

initialize/handlers.go

@@ -620,7 +620,18 @@ func (h *Handler) engines(c *gin.Context) {
 		Data   []ResData `json:"data"`
 	}
 
-	models := []string{"auto", "gpt-5", "gpt-5-1", "gpt-5-2", "gpt-5-3", "gpt-5-3-mini", "gpt-image-2"}
+	models := []string{
+		"auto",
+		"gpt-5.5-instant",
+		"gpt-5-5-thinking",
+		"gpt-5.5-pro",
+		"gpt-5",
+		"gpt-4o",
+		"gpt-4o-mini",
+		"o3",
+		"o4-mini",
+		"o4-mini-high",
+	}
 	var resModelList []ResData
 	for _, model := range models {
 		resModelList = append(resModelList, ResData{

internal/chatgpt/request.go

@@ -1055,7 +1055,7 @@ func imageModelSlug(model string) string {
 		model = "gpt-image-2"
 	}
 	if model == "gpt-image-2" || strings.HasPrefix(model, "gpt-image") {
-		return "gpt-5-3"
+		return "auto"
 	}
 	return model
 }