pretraining — The first, biggest phase of building a model: training it on enormous amounts of text so it learns language, facts, and reasoning in general.
alignment — The work of making AI systems actually pursue what their builders and users intend, rather than something subtly or dangerously different.
Why it matters
A frontier-lab researcher's public departure and warnings, plus a leading alignmentThe work of making AI systems actually pursue what their builders and users intend, rather than something subtly or dangerously different.Full definition → researcher joining OpenAI's safety oversight board, signal shifting internal risk assessments at labs whose models power agentic tooling.