Qbit History

Timeline of quantum computing and qubit milestones. Filter by company to see each company's events.

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IBM Quantum Google Quantum AI IonQ Quantinuum Microsoft Rigetti Computing Xanadu PsiQuantum Pasqal Infleqtion USTC (Superconducting) USTC (Photonic)

2019-10-23 2023-12-04

2019-10-23 Google Quantum AI
Google Sycamore: Quantum Supremacy Claim
Google announced Sycamore, a 53-qubit processor, completing a task in 200 seconds that would take a supercomputer thousands of years.
Source
2023-12-04 IBM Quantum
IBM Condor: First 1,000+ Qubit Chip
IBM unveiled Condor, a 1,121-qubit superconducting processor, becoming the first to cross the 1,000 physical qubit threshold.
Source