IBM Is Targeting Verified Quantum Advantage by Year-End 2026. Here Is What the Claim Actually Means.
7 min readKey takeaways IBM’s Nighthawk processor (120 qubits, cloud-available since January 2026) is the hardware vehicle for IBM’s stated goal of verified quantum advantage by end-2026. IBM’s definition requires two things: provable outperformance of all classical methods on a specific, commercially relevant problem, and independent verification by the wider research community. The most likely first domain …