Se usan modelos de openai a partir de variables de entorno

supabase/functions/generate-subject-suggestions/index.ts

@@ -160,6 +160,11 @@ Deno.serve(async (req: Request): Promise<Response> => {
       SERVICE_ROLE_KEY,
     );
 
+    // Model name controlled via env var
+    const GENERATE_SUBJECT_SUGGESTIONS_MODELO = Deno.env.get(
+      "GENERATE_SUBJECT_SUGGESTIONS_MODELO",
+    ) ?? "gpt-5-mini";
+
     const { data: plan, error: planError } = await supabaseService
       .from("planes_estudio")
       .select("id,nombre,nivel,tipo_ciclo,numero_ciclos,datos")
@@ -276,7 +281,7 @@ Deno.serve(async (req: Request): Promise<Response> => {
     }
 
     const options: StructuredResponseOptions = {
-      model: "gpt-5-mini",
+      model: GENERATE_SUBJECT_SUGGESTIONS_MODELO,
       input: [
         { role: "system", content: systemPrompt },
         {