QHack 2026 Quantum Coding Championship
Registration closed · Similar hackathons still open
- Chroma Awards Season 2$450k · Due 01-07
- Nous Research Hermes Agent Plugin Hackathon 2026$20k · Due 11-11
- MLH Global Hack Week: Builders Week 2026 (Nov 6–12, free online)Due 11-12
- PayPal AI Hackathon 2026$67.5k · Due 11-13
- Agents in Context Toronto: A MongoDB Hackathon$15k · Due 11-14
- NEAR HACKATHON 2026$250k · Due 11-14
Not sure which to join? Get 1:1 help →
About this hackathon
Xanadu's annual quantum computing coding competition (Oct 16–23, 2026): solve 23 quantum algorithm, chemistry and application challenges with open-source PennyLane, racing up a leaderboard. Solo or teams of up to 4; masterclasses and notebooks for beginners.
- Status
- Deadline
- 2026-10-23
- Starts
- 2026-10-16
- Who
- Open to all
- Level
- Beginner-friendly
- Prize
- $15k · 1st $15,000, 2nd $13,000, 3rd $11,000; largest QHack prize pool ever (reportedly ~$67,000 total)
- Size
- —
- Format
- Online · International
- Location
- Toronto (online; placed at organizer’s city)
Browse similarOnline hackathonsBeginner-friendly hackathonsHackathons in October 2026
Original listing (Chinese)
The full original listing below is in Chinese, as published in the Hack123 newsletter.
Xanadu 主办的年度量子计算编程赛：用开源框架 PennyLane 解量子算法、量子化学与应用题，按解题速度和难度在排行榜上冲榜，欢迎爱好者、学生和好奇的开发者。
看点：单人或最多 4 人组队；零基础有官方自学大师课和 Jupyter 笔记本带路；比赛 10月16日美东时间 10:00 开赛；邀请好友注册，推荐榜前 10 名各得 100 美元现金
奖金：QHack 历史最高奖池，冠军 15,000、亚军 13,000、季军 11,000 美元（据 devgrantsdaily 称总奖池约 67,000 美元）
截止日期：10月23日（线上，全球；比赛 10月16—23日，报名 8月24日—10月23日）
Summarized from the organizer’s page and public posts. Please confirm details on the official site before registering.