Replit
Coding agents

Live from Replit HQ Part 2

Our short summary of Replit’s engineering write-up. The full story, with all the detail, is on their blog.

Read the full write-up on replit.com (opens in a new tab)

Problem

Multiple AI agents editing the same code caused merge conflicts and coordination problems.

Solution

They created Agent 4, a pipeline of specialized models that plans task order, runs parallel jobs, and uses coding models to automatically resolve most merge conflicts, surfacing only edge cases to the user.

90% of conflicts resolve automatically

Want the architecture, code and numbers? They’re in the original post.

Read the full write-up on replit.com (opens in a new tab)

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