TL;DR
Tim lines up three AI coding platforms—Blitzy, Devin, and Factory AI—and gives each the exact same real-world app-building task (an AWS Card Demo) to see who writes solid code fastest and with the least hand-holding. He times every step, reviews SWE Bench scores, and even shares his prompts and timestamps so you can follow along.
The verdict? There’s no clear winner—some tools blast out boilerplate in seconds but need extra tweaking, while others take a bit more back-and-forth but produce cleaner, more reliable code. It’s a handy look at where each AI shines and when you’ll still need your own dev chops.
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