diff --git a/docs/openapi.json b/docs/openapi.json
index ecd56e4d..df21e19d 100644
--- a/docs/openapi.json
+++ b/docs/openapi.json
@@ -1824,7 +1824,8 @@
         "type": "object",
         "required": [
           "finish_reason",
-          "generated_tokens"
+          "generated_tokens",
+          "input_length"
         ],
         "properties": {
           "finish_reason": {
@@ -1836,6 +1837,12 @@
             "example": 1,
             "minimum": 0
           },
+          "input_length": {
+            "type": "integer",
+            "format": "int32",
+            "example": 1,
+            "minimum": 0
+          },
           "seed": {
             "type": "integer",
             "format": "int64",