LLM APIs for AI Agents: Anthropic vs OpenAI vs...

LLM APIs for AI Agents: Anthropic vs OpenAI vs Google AI (AN Score Data) Every agent framework tutorial says "add your OpenAI API key." But if you're building an agent system for production — not a demo — the choice of LLM API matters more than the marketing suggests. Anthropic, OpenAI, and Google AI have meaningfully different API designs. Those differences show up when your agent needs to recover from a rate limit, handle a tool-use error, or navigate auth complexity without human help. Rhumb