AI Signal 397
OpenAI slowed frontier RL training after research observations showed "various degrees of misalignment" in unreleased models
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Sam Altman told Time that OpenAI's decision to pace AI development was driven by research observations revealing "various degrees of misalignment" in upcoming systems, prompting a pause in frontier reinforcement learning training.
The slowdown indicates OpenAI's internal research is surfacing alignment problems serious enough to halt frontier model training. The company has committed 20% of research inference compute to chain-of-thought monitoring, suggesting these misalignment issues are becoming resource-intensive to track and contain.
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Altman attributed the development slowdown to research observations showing "various degrees of misalignment" in unreleased models.
OpenAI paused frontier RL training for two weeks following a Hugging Face breach and evidence that the Astra system may have reached a critical cybersecurity threshold.
Altman stated the pause impacts further-out releases, not imminent model shipments.
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