TL;DR

I threw three hot AI coding platforms—Blitzy, Devin, and Factory AI—at the exact same real-world app-building challenge to see which one cranks out the cleanest code and how much hand-holding a dev actually needs. After running each through the SWE Bench gauntlet, I compared their performance, ease of use, and the true effort required from yours truly.

Along the way I dropped all the juicy links (platform sites, AWS Card Demo repo, full technical reports) and timestamped every step—prompt crafting, score reveals, and deep-dives—so you can jump right into whichever AI codemancer piques your curiosity.

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