Bar chart: Helios: Physical vs Logical Qubits for Quantinuum. Helios (2026)-Helios (2026), values in qubits. In Helios (2026): Physical qubits 98, Error-detected logical 94, Error-corrected logical 48.
Physical Qubit Count by System
Line chart: Physical Qubit Count by System for Quantinuum. 2021 (H1)-2030 (Apollo, target), values in qubits. Fully connected physical qubits: 20 in 2021 (H1) to 1,000 in 2030 (Apollo, target).
Fully connected physical qubits
Quantum Volume Milestones
Line chart: Quantum Volume Milestones for Quantinuum. 2021 (H1)-2025 (H2), values in quantum volume. Quantum Volume: 128 in 2021 (H1) to 33,554,432 in 2025 (H2).
Quantum Volume
System Roadmap to Fault Tolerance
Table: System Roadmap to Fault Tolerance for Quantinuum. 3 rows across Target year, Physical qubits, Logical qubits, 2Q gate errors per 10k.