Weak Models as Decryption Oracles: Frontier Model Reasoning Traces Decrypted

lbeurerkellner · x · 2026-08-14

The author notes that frontier models are refusal-trained against disclosing reasoning, but their cheap, weaker siblings are not. Porting reasoning across models makes the sibling a decryption oracle, while the frontier model's alignment is never touched. The implications are real.

Related event: Researchers Decrypt Hidden Chain-of-Thought of OpenAI, Anthropic and Google Models, Enabling Cross-Model Jailbreaks(14 posts)→

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