diff --git a/models/gpt-3.5-turbo-16k-0613/model.json b/models/gpt-3.5-turbo-16k-0613/model.json
new file mode 100644
index 000000000..434b45cc0
--- /dev/null
+++ b/models/gpt-3.5-turbo-16k-0613/model.json
@@ -0,0 +1,19 @@
+{
+    "source_url": "https://openai.com",
+    "id": "gpt-3.5-turbo-16k-0613",
+    "object": "model",
+    "name": "OpenAI GPT 3.5",
+    "version": 1.0,
+    "description": "OpenAI GPT 3.5 model is extremely good",
+    "format": "api",
+    "settings": {},
+    "parameters": {
+      "max_tokens": 4096
+    },
+    "metadata": {
+      "author": "OpenAI",
+      "tags": ["General", "Big Context Length"]
+    },
+    "engine": "openai"
+}
+  
\ No newline at end of file
diff --git a/models/gpt-3.5-turbo/model.json b/models/gpt-3.5-turbo/model.json
index 4262564a3..c34e5e69f 100644
--- a/models/gpt-3.5-turbo/model.json
+++ b/models/gpt-3.5-turbo/model.json
@@ -7,9 +7,7 @@
     "description": "OpenAI GPT 3.5 model is extremely good",
     "format": "api",
     "settings": {},
-    "parameters": {
-      "max_tokens": 4096
-    },
+    "parameters": {},
     "metadata": {
       "author": "OpenAI",
       "tags": ["General", "Big Context Length"]
diff --git a/models/gpt-4/model.json b/models/gpt-4/model.json
new file mode 100644
index 000000000..c30578675
--- /dev/null
+++ b/models/gpt-4/model.json
@@ -0,0 +1,19 @@
+{
+    "source_url": "https://openai.com",
+    "id": "gpt-4",
+    "object": "model",
+    "name": "OpenAI GPT 3.5",
+    "version": 1.0,
+    "description": "OpenAI GPT 3.5 model is extremely good",
+    "format": "api",
+    "settings": {},
+    "parameters": {
+      "max_tokens": 4096
+    },
+    "metadata": {
+      "author": "OpenAI",
+      "tags": ["General", "Big Context Length"]
+    },
+    "engine": "openai"
+}
+  
\ No newline at end of file