Before shipping the model, the team spent a few weeks on pre-training and a few weeks on synthetic-data reinforcement learning; many planned methods were omitted.

“you know a few weeks of pre-training then you know the few weeks of you know synthetic data in rl then shipping it and so there's a a lot of stuff that didn't make it in that uh we're really excited about and so the right there's a trade-off of um the”