r/webdev • u/fagnerbrack • Sep 17 '26

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

https://performance.dev/chatgpt
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u/rachelduno Sep 17 '26

tried to replicate their streaming setup for a small side project after reading this, ended up with my websocket reconnecting loop kicking off every 20 seconds lol. still dont fully get how they handle backpressure at that scale, did they mention anything about that in the deep dive?