commercialsuperconducting
Heron r1
by IBM
Approach
superconducting
Qubit Count
133
Logical Qubits
null
Quantum Volume
512
1Q Gate Fidelity
99.8%
2Q Gate Fidelity
99.5%
Coherence Time
150 µs
Gate Speed
~70 ns (ECR gate)
Connectivity
Heavy-hex lattice, tunable couplers
Operating Temp
15 mK
Cloud Access
IBM Quantum
Year
2023
Status
COMMERCIAL
About
IBM's Heron r1, launched December 2023, represents IBM's quality-over-quantity pivot. With tunable couplers eliminating static ZZ interactions, Heron r1 delivered a 3-5x improvement in two-qubit gate fidelity over Eagle, making it IBM's workhorse for utility-scale experiments.