Maksymilian Marcinkowski (marcinkowski-biznes)

Łódź, Łódź Voivodeship, PL

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46676 participants

OpenAI x START Warsaw

Warszawa, Poland

A one-day AI hackathon where Warsaw's best builders turn real business challenges into working products.

Non-monetary prizes
Jul 11, 2026
91 participants