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Reasoning models struggle to control their chains of thought, and that’s good

TL;DR

OpenAI researchers developed CoT-Control, a technique to actively steer and monitor the chains of thought in reasoning models.

Key Points

  • Tests across multiple large language models showed mixed results: some models improved their internal consistency, others did not respond to the technique.
  • The key finding: reasoning models that struggle to control their own thought processes are simultaneously easier to monitor from the outside.
  • The researchers classify monitorability as a critical AI safety safeguard, reframing the models' limitation as a potential advantage.

Nauti's Take

It sounds paradoxical at first: a model that cannot control its own thoughts is supposed to be safer? But the logic is compelling – transparency through incapacity beats opacity through control.

The genuinely unsettling question this finding raises: what happens when future models actually get better at concealing their reasoning? CoT-Control is a meaningful step, but it bets on models staying 'bad enough' to remain monitorable – not exactly a reassuring long-term strategy.

Sources