diff --git a/.env.example b/.env.example
index 76a3e53..dcbc5de 100644
--- a/.env.example
+++ b/.env.example
@@ -8,5 +8,5 @@ NODE_ENV=development
 
 # AI Investment Advisor (OpenAI-compatible API)
 AI_API_URL=https://integrate.api.nvidia.com/v1
-AI_API_KEY=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
-AI_MODEL=moonshotai/kimi-k2.5
+AI_API_KEY=your_nvidia_api_key_here
+AI_MODEL=qwen/qwen3.5-397b-a17b
diff --git a/backend/src/modules/investment-planning/investment-planning.service.ts b/backend/src/modules/investment-planning/investment-planning.service.ts
index 698af20..e7393dc 100644
--- a/backend/src/modules/investment-planning/investment-planning.service.ts
+++ b/backend/src/modules/investment-planning/investment-planning.service.ts
@@ -402,7 +402,7 @@ Based on this complete financial picture, provide your investment recommendation
   private async callAI(messages: Array<{ role: string; content: string }>): Promise<AIResponse> {
     const apiUrl = this.configService.get<string>('AI_API_URL') || 'https://integrate.api.nvidia.com/v1';
     const apiKey = this.configService.get<string>('AI_API_KEY');
-    const model = this.configService.get<string>('AI_MODEL') || 'moonshotai/kimi-k2.5';
+    const model = this.configService.get<string>('AI_MODEL') || 'qwen/qwen3.5-397b-a17b';
 
     if (!apiKey) {
       this.logger.error('AI_API_KEY not configured');