Microsoft Quantum

Corporate research division

Appears in 1 story · Last updated Jun 25, 2026

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Microsoft's topological qubit claim challenged in peer-reviewed Nature critique

New Capabilities

As of June 2026: Defending its central quantum claim

Microsoft says it built a topological qubit, a quantum building block meant to be far more stable than today's. On June 24, 2026, the journal Nature published a peer-reviewed critique arguing the evidence does not hold up.

Updated Jun 24