Origin Wukong-180 (4th gen)

Raveh Neeman

doi:10.5281/zenodo.22674814

Origin Quantum · superconducting circuits · DEPLOYED (May 2026) · 180 physical qubits · access: cloud service + export sales

architecture: Transmon lattice with tunable couplers · Open on the map

Register profile — the machine's variant of its architecture

qubit type: transmon

gate mechanism: tunable coupler; 251:180 coupler ratio to cut parallel-gate crosstalk

connectivity: single-core planar lattice

control: room-temperature RF; four in-house subsystems (chip, control, cryo, OS)

control placement: room-temp

readout: dispersive, claimed 99.90%

gate evidence: a number stated by the vendor, protocol unstated

flags: unverifiable, company claim

Technologies by layer — the machine's cell per layer

1 Qubit carrier	Transmon · primary ▨ ✅ transmon, 180 computational + 251 coupling qubits on a single-core chip (4th gen, May 2026); claimed T1 ≈40 µs, T2 ≈20 µs
2 Encoding	Bare physical qubit (no encoding) · primary ◌ 🔎 Bare two-level subspace — Computational subspace of an anharmonic oscillator; leakage to \|2⟩ is the price.
3 Gate mechanism	Tunable-coupler CZ / iSWAP · primary ▨ ✅ tunable couplers, 251:180 coupler ratio to cut parallel-gate crosstalk; claimed 1Q 99.90% / 2Q 99.90% (press release, May 2026)
4 Connectivity / transport	Static nearest-neighbour lattice · primary ▣ Fig. 1b (2×4 qubit region; blue lines = processor topology / allowed 2Q gates) ✅ single-core planar lattice, degree 4 (register); 180 qubits
5 Control	Room-temperature electronics + per-qubit coax/flex · primary ▨ 🔎 room-temperature RF; four in-house subsystems: chip, measurement-and-control, cryo/environment, OS (Origin Sīnán; Origin Pilot OS, Feb 2026)
6 Readout	Dispersive microwave readout (+TWPA, Purcell) · primary ▨ ✅ dispersive; claimed readout fidelity 99.90% (press release, May 2026)
7 Code	— none — nothing in this layer ▨ 🔎 no QEC code run on Wukong-180 (register codes=none); NISQ device
8 Decoder	— none — nothing in this layer ▨ 🔎 no decoder; no real-time path (register)
9 Interconnect	— none — nothing in this layer ◌ 🔎 monolithic single-core chip, no interconnect
10 Manufacturing	Superconducting-qubit lithography (Al/AlOx/Al junctions, Nb wiring, 300 mm) · primary ◌ 🔎 Superconducting-qubit lithography (Nb/Al JJ, 300 mm) — IBM Albany 300 mm / Anderon foundry; Google Santa Barbara; Rigetti ABAA trimming (97.4% frequency-targeting success); OQC 500-qubit wafer-scale…

evidence: ✅ 4 / 10