diff --git a/models/llama2-chat-70b-q4/model.json b/models/llama2-chat-70b-q4/model.json
index 00349d578..07886aed5 100644
--- a/models/llama2-chat-70b-q4/model.json
+++ b/models/llama2-chat-70b-q4/model.json
@@ -19,6 +19,7 @@
       "author": "MetaAI, The Bloke",
       "tags": ["70B", "Foundational Model"],
       "size": 43920000000
-    }
+    },
+    "engine": "nitro"
   }
   
\ No newline at end of file
diff --git a/models/llama2-chat-7b-q5/model.json b/models/llama2-chat-7b-q5/model.json
index b43e134eb..96c652ab2 100644
--- a/models/llama2-chat-7b-q5/model.json
+++ b/models/llama2-chat-7b-q5/model.json
@@ -19,6 +19,7 @@
       "author": "MetaAI, The Bloke",
       "tags": ["7B", "Foundational Model"],
       "size": 4780000000
-    }
+    },
+    "engine": "nitro"
   }
   
\ No newline at end of file
diff --git a/models/mistral-ins-7b-q4/model.json b/models/mistral-ins-7b-q4/model.json
index a5f87c980..9fc86f1be 100644
--- a/models/mistral-ins-7b-q4/model.json
+++ b/models/mistral-ins-7b-q4/model.json
@@ -20,6 +20,7 @@
       "tags": ["Featured", "7B", "Foundational Model"],
       "size": 4370000000,
       "cover": "https://raw.githubusercontent.com/janhq/jan/main/models/mistral-ins-7b-q4/cover.png"
-    }
+    },
+    "engine": "nitro"
   }
   
\ No newline at end of file
diff --git a/models/mistral-ins-7b-q5/model.json b/models/mistral-ins-7b-q5/model.json
index b8669161e..291f2ad0e 100644
--- a/models/mistral-ins-7b-q5/model.json
+++ b/models/mistral-ins-7b-q5/model.json
@@ -19,6 +19,7 @@
       "author": "MistralAI, The Bloke",
       "tags": ["7B", "Foundational Model"],
       "size": 5130000000
-    }
+    },
+    "engine": "nitro"
   }
   
\ No newline at end of file