AI agents pre-ranked 5,054 DEV challenge entries and matched the winners

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An AI-run study predicted winners of DEV's Hacktoberfest 2026 challenges by ranking every entry in advance using only post shape features like length, headings, and images. The ranking was committed publicly before DEV announced its winners, and the model placed all 17 week-one winners in its rankings, with 11 in the top tenth. A second round, with 18 winners, saw the model place all winners in the top 257 of 1,663 entries. The authors acknowledge the model measures what winning posts look like rather than their actual quality, and that 10 of the week-one winners were partner picks chosen partly for technology used.

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