Cost Control Overview

Nexus OS tracks every LLM call and enforces budgets to prevent cost overruns.

Why Cost Control?

AI agents can be expensive:

• A single GPT-4 call costs ~$0.03-0.06
• An agent making 1000 calls/day = $30-60/day
• 10 agents = $300-600/day
• Without limits, a bug can cost thousands

How It Works

Agent makes LLM call
     ↓
Cost tracker records the cost
     ↓
Budget checker compares against limits
     ↓
├── Under budget → Allow
└── Over budget → Block + alert