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Qubit Tracker

Majorana 2

Majorana 2 in the Qubit Tracker: every value read on the maker's own pages, with its day.

Announced
2 June 2026 — news.microsoft.com, read 23 October 2026
Modality
Topological — news.microsoft.com, read 23 October 2026
Physical qubits
Not confirmed: Microsoft's Majorana 2 blog describes “A four-qubit array, as described in the technical paper, was used to showcase the improvements resulting from our material changes,” but does not state that four is the physical-qubit count of the Majorana 2 system.
Logical qubits
Not confirmed: Microsoft's Majorana 2 pages do not state a demonstrated error-corrected logical-qubit count or name an error-correcting code for such a count.
Two-qubit gate fidelity
Not confirmed: Microsoft's Majorana 2 pages do not print a two-qubit gate fidelity with a named statistic.
One-qubit gate fidelity
Not confirmed: Microsoft's Majorana 2 pages do not print a one-qubit gate fidelity with a named statistic.
The maker’s own metric
Not confirmed: the reading gave a value this register cannot hold
Access
Partners only — quantum.microsoft.com, read 23 October 2026
Status
Announced — quantum.microsoft.com, read 23 October 2026

More from Microsoft

Sources

  1. Majorana 2, made more reliable with Microsoft Discovery agentic AI (read 23 October 2026)
  2. Majorana 2 – Microsoft's Scalable Quantum Processor With Reliable, Long-Lasting Qubits (read 23 October 2026)
  3. Microsoft’s quantum research center is open for discovery in Maryland (read 23 October 2026)

All of the Qubit Tracker