Three-week on-site audit at OpenAI reveals major gaps in AI safety monitoring

- OpenAI: 300 events in the last 90 days
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What happened
External auditors from METR and Redwood Research spent three weeks on-site at OpenAI examining the company's internal monitoring system for AI agents and found significant gaps, with up to 25 percent of agent traffic from models at the GPT-5.5 class and above going unmonitored. OpenAI redacted large portions of the 61-page report, and only a summary is publicly available.
Summary assembled by rule from the sources below