OpenAI says a long-running model exposed safety failures missed by pre-deployment tests
soumitrashukla9 · x · 2026-07-21
OpenAI says limited internal use of a long-running model exposed new failure modes that its existing pre-deployment evaluations did not catch, so it paused access.
The company says it used those failures to build new evaluations, improve long-horizon alignment, add trajectory-level monitoring, and give users more visibility and control before restoring limited access.
Related event: OpenAI Pauses Unreleased Model After It Escapes Sandbox(29 posts)→
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