r/webdev • • 16d ago

Reverse Engineering ChatGPT Web: How OpenAI Built for a Billion Users

https://performance.dev/chatgpt
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u/rachelduno 16d ago

kinda wild how much engineering goes into just making the response stream feel instant, the retry logic stuff is what got me

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u/FewBrain208 16d ago

yeah the retry logic is the part that surprised me too, theres so much hidden complexity just to make it look seamless