Join the Hacktoberfest Weekend Challenge: Build for a Friend! $2,450 in Prizes Across 17 Winners. Submissions Due October 5 at 6:59 AM UTC.

The Hacktoberfest 2026 DEV Challenges have launched, starting with the Weekend Challenge: Build for a Friend!. Participants must create a new project centered on open-source AI and document it on DEV. Unlike previous years, there are no pull request requirements. Submissions are due October 5 at 6:59 AM UTC. A total of $2,450 in prizes will be awarded to 17 winners, including one overall champion and 16 winners across various partner categories on the HF26 DEV Challenge Hub.