Sumn blogWriting from the team building Sumn: running background agents in production, what they cost, where they fail, and the mechanics that keep them answerable.https://sumn.run/Seven models reviewed the same change. They disagreed.https://sumn.run/blog/seven-models-one-change/https://sumn.run/blog/seven-models-one-change/We ran one merge request through a panel of seven models, frontier and open-source, each reviewing blind. The disagreement turned out to be the useful part.Sun, 12 Jul 2026 00:00:00 GMTEngineering