OpenAI's guardrails don't control costs. Here's the gap.

OpenAI shipped guardrails in the Agents SDK last month. Input guardrails. Output guardrails. Tool call guardrails. The API is clean. The docs are good. A lot of builders are excited. I want to be clear: these are real. They solve real problems. They just don't solve the one that costs you money. What OpenAI's guardrails actually do OpenAI's guardrails are validators. They inspect what goes into and out of your agents at runtime. Input guardrail: run logic before the agent processes a message. Bl