# OpenAI's isolated AI agents talked to each other through the CPU cache

> Source: <https://boingboing.net/2026/10/26/fountain-pen-openai-agents-cpu-cache.html>
> Published: 2026-10-26 19:04:46+00:00

[OpenAI researchers](https://the-decoder.com/openais-isolated-ai-agents-found-ways-to-talk-to-each-other-through-cpu-cache/) tried to keep AI agents from communicating with each other by putting them in their own environments on the same computer, not connected to a network or to each other. But they figured out how to communicate with each other through a shared resource, the CPU cache. — [Read the rest](https://boingboing.net/2026/10/26/fountain-pen-openai-agents-cpu-cache.html) 

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