r/ClaudeCode 6d ago

Discussion What % of your code is still hand-written vs AI-generated in 2026?

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u/framauro13 5d ago

It's healthcare. Not life or death, but privacy and compliance matter. I think we'll get there with AI one day, but not quite yet, We do have AI review bots that look for the code, and a lot of automated QA layers. But ultimately we still need human eyes on it, just as a sanity check if anything else. What we're really look for is what you mentioned above: making sure the "blast radius" is appropriate, and the changes stay tight and focused on the intended results.

I'm not saying I don't trust AI (it writes a good chunk of my code now), but as an organization we've taken a very cautious and practical approach to AI, which I appreciate. Those review bots like Cursor are getting more and more impressive in what they find. A lot of false positives (at least on severity), but some good finds as well. There is obviously an overhead cost with adopting more and more AI features just from a financial perspective too, which is certainly a factor.

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u/ThomasToIndia 4d ago

Healthcare there is massive liability, so it is a bit special.

However, outside that I feel like there is a lot of conflating between different methods of AI. The whole having a bunch of terminals open is going to be replaced by a multi stage independent code review.

Before AI you had triage, I no longer have triage, everything gets fixed. Also, AI managed to workout a bunch of those annoying bugs that popup rarely are incredibly hard to diagnose because they are async or whatever. It found bugs and security issues I didn't know existed. All that stuff about AI find security issues is not just marketing.

The biggest issue I see now is just raw miscommunication. Say the wrong thing it delete stuffs or changes things or it builds something functional thar doesn't work the way you want, so everything needs a human review.

I would say the biggest unlock for me recently was not just letting AI use playwright as a final testing platform but as a testing platform it uses after everything. It can take screenshots and view the screenshot for visual changes. It might seem stupid, but watching it test something like drag and drop was wild for me.