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Quantum Computing Inc. sells machines and software that use quantum physics to solve certain math problems, and also makes optical chips for sensing and computing.
Quantum Computing Inc. is a small, loss-making company that wants to sell the strange power of quantum mechanics — the physics of tiny particles — as a practical tool. Its main products are "thin-film lithium niobate" photonic chips: tiny optical circuits that manipulate light on a chip. These chips are the building block for the company's quantum computers and for sensors. It also sells access to its quantum machines over the cloud and offers a software package called Dirac, which helps developers write programs for quantum hardware. The pitch to customers is that light-based quantum machines can run at room temperature, unlike the ultra-cold fridge machines built by rivals like IBM and Google, which could make them cheaper and easier to deploy.
The honest part: this is a speculative, pre-revenue-scale story. The company has bleeded cash for years, has a tiny sales base, and its shares have swung wildly on hype around quantum computing. Revenue is measured in the low millions, and losses are much larger than sales. Much of its money has come from selling stock rather than from customers, which is a real risk — if the market loses patience, funding gets harder. It also competes with far bigger, better-funded players and with startups racing toward the same goal. Where the money goes is mostly research, chip fabrication, and keeping the lights on. The company has been building out its own foundry capability to make its photonic chips in-house, which is expensive but could lower costs later. A key recent push is quantum sensing — using its optical chips to build devices like LiDAR for cars and imaging tools — which is a nearer-term business than full quantum computers. It also has a foundry-services arm that sells chip fabrication to outside customers, a more conventional way to earn revenue while the quantum dream matures.
The thing to understand is the gap between the promise and the proof. Quantum computing could one day crack problems that classical computers cannot, but nobody has yet shown a commercially useful quantum advantage at scale, and the field is crowded with hype. Quantum Computing Inc. is a bet that light-based chips are the right path, and that selling the picks and shovels — chips, sensors, foundry work — pays the bills while the grand prize stays out of reach. Treat it as a high-risk venture-style story, not a steady business.
Saved answer · last researched 28 Oct 2026