Tim Sweeney: AI gains at Epic range ‘from 20% in some areas ... to 5x for other areas’
Tim Sweeney @TimSweeneyEpicX
Why it matters
First-hand numbers from Epic’s CEO on current AI productivity gains and his forecast for 2027.
Summary
Posted Oct 12, 2026 (19:01 UTC). Replying to a user, Sweeney describes the present gains at Epic: ‘Right now it’s highly variable, from 20% in some areas (like the most technical areas of UE dev) to 5x for other areas (like web dev). By this time next year I expect very little will be less than 3x of January 2026 efficiency.’ The question he answers was not fetched.
Metrics as of 2026-10-13 via api.fxtwitter.com: 90,978 views, 208 likes, 12 reposts.
Archived text
@FilmGamerOne Right now it’s highly variable, from 20% in some areas (like the most technical areas of UE dev) to 5x for other areas (like web dev). By this time next year I expect very little will be less than 3x of January 2026 efficiency.