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post-training

Power by the hour

Accidental Factors

It is a truth universally acknowledged that an airline in possession of an airplane must be in want of engines to make it go. Yet, somewhat surprisingly, they don’t really buy engines. Rolls-Royce were the notable innovator here in selling not an engine, but instead what they call power by the...

Who is walking who?

Accidental Factors

One good way to annoy a neuroscientist is to compare an LLM to the brain. It’s appealing though! There are similarities! In infancy we take a complex fusion of sensory inputs and learn to make predictions in latent space, while in pre-training a stack of Transformers learn to predict which number...

We can distill it for you wholesale

Accidental Factors

There has been a lot of drama1 about distillation: how (closed) frontier models are being used by other labs to boost their own performance on particularly hard tasks. The drama is not fake, exactly. Anthropic, and recently OpenAI, have a notable lead in the agentic-coding domain, and some of...