diff --git a/src/app/api/simulator/[id]/execute/route.ts b/src/app/api/simulator/[id]/execute/route.ts
index 68b76f5..ddd5af1 100644
--- a/src/app/api/simulator/[id]/execute/route.ts
+++ b/src/app/api/simulator/[id]/execute/route.ts
@@ -130,7 +130,7 @@ export async function POST(
     // Check user's credit balance before execution
     const userBalance = await getUserBalance(user.id);
     const costMultiplier = (run.user.subscriptionPlan as { costMultiplier?: number })?.costMultiplier || 1.0;
-    const estimatedCost = calculateCost(0, 100, run.model, costMultiplier); // Rough estimate
+    const estimatedCost = calculateCost(50, 100, run.model, costMultiplier); // Rough estimate
     
     if (userBalance < estimatedCost) {
       return NextResponse.json(
diff --git a/src/lib/simulator-utils.ts b/src/lib/simulator-utils.ts
index c9e8ca5..e202855 100644
--- a/src/lib/simulator-utils.ts
+++ b/src/lib/simulator-utils.ts
@@ -53,7 +53,7 @@ export function calculateCost(
     inputCostPer1k?: number | null
     outputCostPer1k?: number | null
   },
-  // costMultiplier?: number
+  costMultiplier?: number
 ): number {
   const inputCostPer1k = model.inputCostPer1k || 0
   const outputCostPer1k = model.outputCostPer1k || 0