Anthropic's training-environment strategy progressed from focusing on coding to expanding the range and horizon of tasks.

“you know i think for the um latter like yes that's probably just the bet they're making like and it's very clear like the pattern of like where these environments are going over the last few years i mean like anthropic's lineage of environments is like a very clear example of this like you know firstly like we just focus on coding and like we're going to get really really good at that and then the task horizon that we've got from coding which is probably the lowest hanging fruit in terms like data available on the internet to create environments like their own internal”