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Garry Tan Reveals High-Velocity AI Development Workflow =======================================================
Garry Tan Reveals High-Velocity AI Development Workflow =======================================================  ### Garry Tan
@garrytan
I'm going to rile up the trolls with this right now but
I am working on 3 different big projects simultaneously across 15 @conductor_build sessions all the time.
In the last 7 days I'm averaging 17k lines of code per day, 35% tests, all thanks to gstack. (All mornings/nights/weekends on top of my real job at YC)
I ran /retro (from gstack) on all three projects and this is what came back:
Mar 15, 2026, 10:17 PM View on X
18 Replies
1 Retweets
73 Likes
4,829 Views  Garry Tan @garrytan
One Sentence Summary
Y Combinator CEO Garry Tan shares how he achieves 17k lines of code per day across multiple projects using gstack and Conductor.
Summary
Garry Tan, President of Y Combinator, details a highly productive development setup where he manages three major projects simultaneously. He credits his output—averaging 17,000 lines of code daily with 35% test coverage—to a toolset called 'gstack' and 'Conductor'. This highlights a significant shift in developer productivity enabled by modern, likely AI-integrated, development environments.
AI Score
88
Influence Score 26
Published At Yesterday
Language
English
Tags
Developer Productivity
gstack
Conductor
Software Engineering
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Garry Tan Reveals High-Velocity AI Development Workflow |... ===============