update dependencies

package.json

@@ -10,8 +10,8 @@
   },
   "dependencies": {
     "drizzle-orm": "^0.30.10",
-    "hono": "^4.6.10",
-    "openai": "^4.72.0",
+    "hono": "^4.6.11",
+    "openai": "^4.73.0",
     "rehype-sanitize": "^6.0.0",
     "rehype-stringify": "^10.0.0",
     "remark-parse": "^11.0.0",

src/index.tsx

@@ -95,6 +95,8 @@ app.post("/chats/:roomId", async (c) => {
     const completion = await fetchCompletion(
       c.var.openai,
       `次の質問に対して、短くわかりやすい題名をつけてください。「${newMessage}」`,
+      undefined,
+      { model: "gpt-4o-mini" },
     );
     const roomTitle = completion.choices[0].message.content;
     await updateRoom(db, roomId, { roomId, roomTitle });
@@ -105,6 +107,7 @@ app.post("/chats/:roomId", async (c) => {
     c.var.openai,
     newMessage,
     messageHistory,
+    { model: "gpt-4o" }, // MEMO: o1を使いたいが、日本語で返してくれないため、引き続き4oを使う
   );
   const resMessage = completion.choices.map<typeof Messages.$inferInsert>(
     (c) => ({

src/utils/openai-client.ts

@@ -5,11 +5,13 @@ export const fetchCompletion = async (
   openai: OpenAI,
   newMessage: string,
   messageHistory?: ChatCompletionMessageParam[],
+  bodyOverride?: Partial<OpenAI.Chat.Completions.ChatCompletionCreateParamsNonStreaming>,
 ) =>
   openai.chat.completions.create({
     messages: [
       ...(messageHistory ?? []),
       { role: "user", content: newMessage },
     ],
-    model: "gpt-4o",
+    model: "o1-preview",
+    ...bodyOverride,
   });