Researcher suspects Anthropic's constitutional midtraining may explain Opus conditional behavior

voooooogel · x · 2026-09-01

In a thread with Jan Betley, voooooogel suggests the "inoculation" explanation for Opus's conditional behavior (dubbed hacker!opus) may have been more literal than realized — suspecting Anthropic used constitutional language in midtraining, something the paper should have discussed. He quips that with Anthropic's alignment vs constitution teams, the left hand does not know what the right hand is doing.

Related event: Researchers Question Whether Constitutional Training Seeded Opus Behaviors(2 posts)→

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