Page 31 is interesting, where apparently in the task of creating PRs for an internal repository the o3-mini models by far have the lowest performance (even worse than gpt-4o). What is up with that?
Nuclear development is state actors game. If they want to do it they wouldn't need LLM to answer the questions. And most of the work is actually building the program and acquiring materials ..etc. And do all of these development while not make themselves detected by the world (which is impossible task).
But they spent less time and explanation on more important parts like coding performance.