OpenAI Build Week

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OpenAI Build Week
Cover of newsletter issue #50
CodexAgent

About this hackathon

OpenAI's global Codex build week: build apps, agents, games or developer tools with Codex and GPT-5.6. Solo or team; cash, OpenAI credits, DevDay tickets and official exposure.

Status
Deadline
2026-07-21
Starts
2026-07-16
Who
Open to all
Level
Intermediate
Prize
$100k · $100,000 cash
Size
—
Format
Online · International
Location
San Francisco (online; placed at organizer’s city)

Browse similarOnline hackathonsAI hackathonsAI Agent hackathonsAI Coding hackathonsHackathons in July 2026

Original listing (Chinese)

The full original listing below is in Chinese, as published in the Hack123 newsletter.

OpenAI 发起的全球 Codex 构建周,⁠‌‌‍‌‌‌‍‌‍‌‌‌‌‍‌‍‍‌‌‌‌‌‍‍⁠用 Codex 和 GPT-5.6 做 App、Agent、游戏或开发者工具。

看点:个人或组队均可;现金、OpenAI Credits、DevDay 门票和官方曝光

奖金:100,000 美元现金

截止日期:2026年7月21日 5:00 PM PT(线上)

Summarized from the Chinese “Beginner Hackathon Series” newsletter. Eligibility, dates and prizes are subject to the organizer’s official page.