diff --git a/js/llm.ts b/js/llm.ts
index c8169b2..3e93508 100644
--- a/js/llm.ts
+++ b/js/llm.ts
@@ -22,7 +22,7 @@ export type LLMArgs = {
   temperature?: number;
 } & OpenAIAuth;
 
-export const DEFAULT_MODEL = "gpt-4o";
+export const DEFAULT_MODEL = "gpt-4o-mini";
 
 const PLAIN_RESPONSE_SCHEMA = {
   properties: {
@@ -217,7 +217,7 @@ export function LLMClassifierFromTemplate<RenderArgs>({
     const prompt =
       promptTemplate + "\n" + (useCoT ? COT_SUFFIX : NO_COT_SUFFIX);
 
-    let maxTokens = 512;
+    const maxTokens = 512;
     const messages: ChatCompletionMessageParam[] = [
       {
         role: "user",