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Google Quantum AI operates two complementary quantum hardware platforms. The first is its superconducting platform, built around Willow, a 105-qubit processor released in December 2024 and Google's flagship. Willow achieved the first below-threshold quantum error correction using the surface code, demonstrating 1 logical qubit and 99.88% two-qubit gate fidelity. It solved a benchmark problem in 5 minutes that would take a classical supercomputer 10 septillion years. Google targets fault-tolerant quantum computing by roughly 2029. The second is a neutral-atom platform announced in March 2026. Professor Adam Kaufman of JILA and CU Boulder leads a new team in Boulder, Colorado developing neutral-atom quantum computing across three areas: quantum error correction for atomic arrays, modeling and simulation, and experimental hardware. Neutral atoms offer near-unlimited scaling of qubit count, complementing Willow's strengths in circuit depth and gate speed. Google's dual-modality strategy is one of the first by a major quantum hardware company. Google has also produced a series of research results. In October 2025 it published the Quantum Echoes algorithm in Nature, demonstrating the first verifiable quantum advantage on actual hardware, running 13,000 times faster than the best classical algorithm on the out-of-time-order correlator problem on Willow, with implications for drug discovery through molecular behavior modeling. In 2025, Google achieved 99.99% magic state fidelity, a 40-fold improvement that reduces the overhead for fault-tolerant computation. In March 2026 it reported a 20-fold reduction in the resources needed to break current cryptographic standards, reinforcing a 2029 target for post-quantum cryptography migration. In October 2025, Google acquired Atlantic Quantum for its fluxonium expertise and embedded cryogenic control technology. In August 2025, Google Quantum AI published research on hexagonal qubit grid surface codes (arXiv:2508.08116), demonstr
Quantum Specifications
| Qubit Technology | Superconducting |
| Physical Qubits | 105 |
| Logical Qubits | 1 |
| 2Q Gate Fidelity | 99.88% |
| Error Correction | Surface-code |
| Quantum Focus | hardware |
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