add gpt 5 display names (#5175)

Author: wenxi-onyx

web/src/lib/hooks.ts

@@ -679,6 +679,8 @@ const MODEL_DISPLAY_NAMES: { [key: string]: string } = {
   "o1-mini": "o1 Mini",
   "o1-preview": "o1 Preview",
   o1: "o1",
+  "gpt-5": "GPT 5",
+  "gpt-5-mini": "GPT 5 Mini",
   "gpt-4.1": "GPT 4.1",
   "gpt-4": "GPT 4",
   "gpt-4o": "GPT 4o",