In the AI 2027 scenario, AI researchers’ serial speed increases from roughly 20× to roughly 90× human speed over the course of the scenario.

“serial speed starts to matter a bunch because you switch to AI researchers that have like orders of magnitude more serial speed than humans but it tops out like we think that like over the course of our scenario if you look at our like sliding stats chart it goes from like like 20x to like 90x or something over the course of of the scenario which is important but like not huge and also we think that like”