March 2, 2026
Qubits vs wallets
How to Build Your Own Quantum Computer
DIY dream or $100k lab toy? Commenters call it “open” but not “ours”
TLDR: A Canadian nonprofit is building an open-source quantum machine with about 30 controllable atoms and plans to publish every blueprint so others can replicate it. Commenters love the transparency but roast the “DIY” label over likely six‑figure costs and keep asking what practical, real-world quantum win exists yet
An open-source quantum computer you can build yourself? The nonprofit Open Quantum Design says yes—by posting the full blueprints for a small, ion-based machine (think: atoms steered by lasers) and aiming to demo simple algorithms within a year. But in the comments, the vibe split faster than a laser beam. One camp is hyped on the transparency and free IP, picturing a global playbook for students and garage tinkerers. The other camp? Wallet-checking.
“Hundreds of thousands” is the number haunting the thread, with one user estimating a $100k+ parts list—before upkeep. Cue the chorus: DIY in air quotes. Another commenter dryly noted this is for labs and startups, “not ‘you’ as in a single person,” which set off the “is this really a computer or just a fancy noise box?” debate. A veteran voice warned that “quantum computer” covers everything from “indistinguishable from noise” to genuine marvel—translation: brace for marketing fog.
The utility skeptics came in hot, asking for any real-world task these machines can do better than regular computers—beyond headlines about “supremacy.” Meanwhile, a wildcard dropped a link to haiqu.org to “try quantum vibecoding” on a Dutch machine for free, adding comic relief to the cost wars. Between trillion-dollar projections and lab-grade price tags, the community’s mood swings from “open-source hero” to “open source, closed wallet.”
Key Points
- •Open Quantum Design (OQD) was founded in 2024 by researchers from the University of Waterloo and a former Perimeter Institute executive to build an open-source quantum computer.
- •OQD’s flagship is a 30‑qubit trapped‑ion quantum computer developed with the University of Waterloo, targeting ~99% two‑qubit gate fidelities.
- •All hardware and software IP (circuits, CAD models, optical layouts, control software) will be released to enable replication.
- •Funding comes from member fees, the Canadian government, and philanthropic organizations; work is organized via project-specific working groups.
- •OQD collaborates with industry, notably Xanadu, to ensure its software stack (e.g., compiler) is compatible across diverse hardware platforms.