How to Handle LLM API Errors & Rate Limits in Node.js

When developing an AI-powered application, everything feels flawless in the local environment. You send a prompt to OpenAI or Anthropic, and within seconds, you get a pristine response. But the moment you deploy to production, the harsh reality of AI infrastructure hits you. Large Language Model (LLM) APIs are fundamentally different from traditional web APIs. They are slower, significantly more expensive, and far more prone to rate limits, network timeouts, and sudden outages. Trying to handle...