IQM entangles its full 54-qubit chip, just above the proof line

Verdict: MONITOR

The cloud-accessible Emerald processor produced a 54-qubit GHZ state above the entanglement threshold, but only narrowly and with readout correction.

Reviewed, edited and approved by Joerg Germann, Editor · Editorial method

Quantum Litmus provides independent editorial analysis, not investment advice.

Holdings disclosure: Holdings confirmed 5 October 2026: the editor personally holds shares in IONQ, IQMX, NVDA, PSQL, QBTS, QUBT, RGTI, and XNDU.TO. Backloop Technology holds none. These holdings did not determine selection or the readiness judgment. About this report.

This is editorial analysis, not investment, procurement or engineering advice.