Redwood Research blog
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Frontier models’ decision theory depends on who’s asking
Asked which decision theory is right, frontier models name FDT/UDT. But add a sentence saying you're an academic philosopher, and they often switch to CDT.
Continual learning might make your blocking monitors nearly useless
When monitor evasion looks like legitimate learning to your continual learning system, it’s hard to have one without the other
Latent reasoning architectures would undermine CoT, our strongest oversight tool
We should have a strong presumption that latent reasoning architectures would make oversight far more difficult.
Astra is much better at reasoning with filler tokens than previous models
Unlike other models we tested, GPT-6 Astra performs modestly better on general benchmarks with filler tokens, and significantly better on serial depth-heavy tasks.