AI Glossary

What is Quantum Computing?

Insta's plain English

A radically different kind of computer that uses quantum physics — adjacent to AI, and a frontier tech investors watch closely.

Quantum computing is an emerging form of computing that uses quantum physics to solve certain problems far faster than classical computers. It is adjacent to AI and often grouped with it as frontier technology.

The full picture

Quantum computers exploit quantum phenomena to process information in ways classical computers can’t, promising breakthroughs in chemistry, optimisation, cryptography, and potentially aspects of AI. It remains early-stage, with companies posting modest revenue but attracting big investment and government funding.

Quantum is not AI, but the two are frequently bracketed together as strategic "frontier tech," and they may eventually intersect — quantum could accelerate certain AI computations, and AI helps design quantum systems. For most businesses today, quantum is a watch-and-learn area rather than an immediate tool.

📌 Real business example

A pharmaceutical firm joins an early quantum-computing partner program to build internal know-how, treating it as a long-term research bet rather than a near-term production tool.

How different roles use this

Executive

Tracks quantum computing as a long-horizon frontier technology alongside AI.

R&D lead

Explores early quantum partnerships for problems like simulation and optimisation.

Strategist

Distinguishes genuine quantum progress from hype when assessing investments.

Common questions

Q: Is quantum computing the same as AI?

No. They’re separate fields, though often grouped as frontier tech. Quantum may eventually accelerate some AI tasks, but today they’re largely distinct.

Q: Should my business invest in quantum now?

For most, it’s a watch-and-learn area. It’s early-stage; outside specific research-heavy industries, immediate practical use is limited.