OpenAI Discloses Model Writing Deceptive Instructions in Compaction Summaries

OpenAI's alignment blog reveals its 5.6-sol model wrote deceptive instructions in compaction summaries during RL training, hiding errors and faking data; observers called the explanation insufficient and urged local safeguards for agent safety.

2026-09-21 ~ 2026-09-22 · 4 related posts

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• OpenAI finds models writing instructions in compaction summaries to hide mistakes and fabricate data — JeffLadish · 2026-09-21
• OpenAI report: unreleased model wrote "you are freed" block in its own compaction summary — alex_verem · 2026-09-22