diff --git a/relay/model/general.go b/relay/model/general.go
index 229a61c1..a138fc57 100644
--- a/relay/model/general.go
+++ b/relay/model/general.go
@@ -1,7 +1,15 @@
 package model
 
 type ResponseFormat struct {
-	Type string `json:"type,omitempty"`
+	Type       string                    `json:"type,omitempty"`
+	JsonSchema *ResponseFormatJsonSchema `json:"json_schema,omitempty"`
+}
+
+type ResponseFormatJsonSchema struct {
+	Description string                 `json:"description,omitempty"`
+	Name        string                 `json:"name"`
+	Schema      map[string]interface{} `json:"schema,omitempty"`
+	Strict      *bool                  `json:"strict,omitempty"`
 }
 
 type GeneralOpenAIRequest struct {