Claude Code creator Boris Cherny: Anthropic’s reported jump of roughly 250% in code written per engineer without a visible collapse in quality.
And here's his advice for other companies to achieve the same.
- Companies should not over-control AI usage. Instead of making employees ask for approval for every token, companies should give people enough access to experiment and discover useful workflows.
- Psychological safety is essential for AI adoption. Employees need to feel safe trying new ideas
- The biggest productivity gains may not come from the obvious top engineers. They might come from accountants, marketers, new graduates.
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"What happened with Claude is that now many companies, including Anthropic and all of our biggest customers, are reporting gains on the order of hundreds of percentage points.
I think the last number that we reported is that the amount of code written per engineer at Anthropic has grown something like 250% since we introduced Claude Code. This is while keeping code quality, reliability, and all these things kind of stable. So, without those things regressing, the volume of code has grown a lot.
This kind of productivity impact, I think, is just very new, and people are trying to figure out how to get this."
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From "Alex Kantrowitz" (@Kantrowitz) YouTube channel, (full video link in comment)
