Key News Facts
Alphabet’s Google Quantum AI has achieved significant milestones in quantum computing, namely achieving quantum supremacy in October 2019 and developing the first logical qubit prototype in 2023, demonstrating reduced error rates in quantum computing. Alphabet aims to build a large, error-corrected quantum computer with at least 1 million qubits in the near future.
Microsoft introduced its Majorana 1 quantum chip using topological superconductors in February 2025, which could potentially enable the integration of over 1 million qubits on a palm-sized chip, positioning Microsoft as a key contender in quantum computing industry growth in the next decade.
IonQ, with a market cap of approximately $18 billion, utilizes trapped-ion technology to reduce quantum errors and enhance qubit coherence. The company is also diversifying into quantum networking, sensing, and security, positioning itself as a unique player in the quantum technology landscape despite its current unprofitability.







