diff --git a/swagger/docs.go b/swagger/docs.go
index 132cd4f34..4c6d9b2b2 100644
--- a/swagger/docs.go
+++ b/swagger/docs.go
@@ -1535,6 +1535,12 @@ const docTemplate = `{
                         "$ref": "#/definitions/schema.Message"
                     }
                 },
+                "metadata": {
+                    "type": "object",
+                    "additionalProperties": {
+                        "type": "string"
+                    }
+                },
                 "mode": {
                     "description": "Image (not supported by OpenAI)",
                     "type": "integer"
@@ -1567,6 +1573,9 @@ const docTemplate = `{
                 "quality": {
                     "type": "string"
                 },
+                "reasoning_effort": {
+                    "type": "string"
+                },
                 "ref_images": {
                     "description": "Reference images for models that support them (e.g., Flux Kontext)",
                     "type": "array",
diff --git a/swagger/swagger.json b/swagger/swagger.json
index 1f4e2ce93..4b46f78ea 100644
--- a/swagger/swagger.json
+++ b/swagger/swagger.json
@@ -1528,6 +1528,12 @@
                         "$ref": "#/definitions/schema.Message"
                     }
                 },
+                "metadata": {
+                    "type": "object",
+                    "additionalProperties": {
+                        "type": "string"
+                    }
+                },
                 "mode": {
                     "description": "Image (not supported by OpenAI)",
                     "type": "integer"
@@ -1560,6 +1566,9 @@
                 "quality": {
                     "type": "string"
                 },
+                "reasoning_effort": {
+                    "type": "string"
+                },
                 "ref_images": {
                     "description": "Reference images for models that support them (e.g., Flux Kontext)",
                     "type": "array",
diff --git a/swagger/swagger.yaml b/swagger/swagger.yaml
index 63310fff5..8e01f3f97 100644
--- a/swagger/swagger.yaml
+++ b/swagger/swagger.yaml
@@ -491,6 +491,10 @@ definitions:
         items:
           $ref: '#/definitions/schema.Message'
         type: array
+      metadata:
+        additionalProperties:
+          type: string
+        type: object
       mode:
         description: Image (not supported by OpenAI)
         type: integer
@@ -514,6 +518,8 @@ definitions:
         description: Prompt is read only by completion/image API calls
       quality:
         type: string
+      reasoning_effort:
+        type: string
       ref_images:
         description: Reference images for models that support them (e.g., Flux Kontext)
         items: