Top 5 AI Gateways for LLM Budget Tracking and Spend Alerts in Production
TL;DR: LLM costs scale unpredictably in production. Token-based billing, variable output lengths, and multi-provider architectures make it easy to overshoot budgets without warning. AI gateways solve this by enforcing hierarchical budget limits, tracking spend in real time, and triggering alerts before overruns happen. This guide evaluates the