Proteus commercial launch late 2026 (18+ amino acids, ~1,000× throughput); 20 of 20 amino acids by 2027
Universal fault-tolerant quantum computer; commercial quantum advantage by 2027
Company
Founded
2017
2021
Headquarters
Guilford, CT
Broomfield, CO
Employees
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QSI vs QNT FAQ
Is QSI or QNT the bigger company?
QNT is larger, with a market cap of $20.45B versus $201.23M for QSI.
Which has the longer cash runway, QSI or QNT?
QSI's cash runway is 24mo and QNT's is 57mo (current cash ÷ trailing-twelve-month operating burn; "CF+" means cash-flow positive).
What technology do QSI and QNT use?
Quantum-Si (QSI): Quantum Biology. Quantinuum (QNT): Physical Qubits (Trapped-Ion, All-to-All Connectivity). Qubit counts are not directly comparable across different modalities.