[ Greptile Research ]

AI Code Review for Modern Engineering Teams

Faster velocity, diminishing trust.

Teams using coding agents merge five times more pull requests a week. This report traces what that speed costs when validation doesn't keep pace, drawing on published research and interviews with engineering leaders at Coinbase and Uber.

Read the report to discover:

  • Why code is no longer the bottleneck: across 806 repos, velocity gains faded within two months while code complexity (+41%) and static analysis warnings (+30%) stayed elevated

  • How AI-introduced issues accumulate unchecked: of 464,900 tracked across 6,000+ production repositories, 22.7% were still alive a year later

  • Why complexity compounds cost: the longer agents work without validation, the more every subsequent change costs, rising from $0.77 to $1.67 per checkpoint

Get the full report

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