D-Wave Quantum Inc. agreed to acquire Quantum Circuits Inc. for $550 million in stock and cash to merge annealing with gate-model.

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D-Wave Quantum agreed to acquire Quantum Circuits Inc. for $550 million to combine annealing quantum computing with error-corrected gate-model technology. The deal merges D-Wave's scalable superconducting control systems and cloud platform with Quantum Circuits' dual-rail error detection approach, which reduces physical resources needed for logical qubits. The acquisition adds a New Haven R&D center led by Yale physicist Rob Schoelkopf and aims to deliver a commercially available gate-model system in 2026. The transaction is expected to close in late January 2026 pending regulatory approvals.

D-Wave Announces Agreement to Acquire Quantum Circuits Inc.