100 Quantum Computing Companies Shaping the Global Quantum Revolution (2025)
Google Quantum AI achieved quantum supremacy in 2019 with the 54-qubit Sycamore processor performing a random circuit sampling task in 200 seconds. IBM Quantum progressed from the 127-qubit Eagle milestone in 2021 to 433-qubit Osprey in 2022, with a plan for a 1,121-qubit Condor