US EditionIBM says 'Loon' chip shows path to useful quantum computers by 2029
- On Nov. 12, 2025, International Business Machines Corporation unveiled two quantum processors, Nighthawk and Loon, at the IBM Quantum Developer Conference, New York and said the community should confirm quantum advantage by end of 2026 and fault tolerance by 2029.
- By shifting to 300mm wafers at the Albany NanoTech Complex, International Business Machines Corporation has doubled chip development speed, cutting processor build time by half.
- IBM Quantum Nighthawk features 120 qubits linked by 218 tunable couplers, increasing connectivity 20% over IBM Quantum Heron, and should reach `IBM users` by the end of this year.
- Shares of IBM rose after the announcement, and researchers may be able to run computations with up to 5,000 two‑qubit gates, with IBM expecting growth to 15,000 by 2028.
- Despite the advances, Loon remains experimental with six‑way qubit connectivity and `break the plane` vertical couplers, but IBM has not disclosed when outsiders can test it amid engineering challenges.
38 Articles
38 Articles
IBM says 'Loon' chip shows path to useful quantum computers by 2029
IBM announced on Wednesday it has built a new experimental quantum computing chip called Loon that demonstrates it hit a key milestone toward making useful quantum computers before the end of the decade.
After DARPA list shakes up quantum computing world, IBM has a message: We’re doing great
With all the news in the quantum world this month—including DARPA’s new list of the most viable quantum companies, and Quantinuum’s announcement of “the most accurate quantum computer in the world“—IBM, not to be outdone, put out a statement of its own. The top-line message: We’re doing great! IBM’s quantum program is hitting all the milestones it’s set out in its most recent road map—and it is accelerating progress toward a large-scale, fault-t…
The technological International Business Machines (IBM) introduced its new experimental chip, Quantum Loon, which aims to create "more powerful and error-resistant quantum supercomputers".
IBM Unveils Nighthawk and Loon chip processors, marking major leap toward practical quantum computing - Tech Startups
IBM announced the Quantum Nighthawk processor, featuring 120 qubits and 218 tunable couplers, enabling 30% more complex circuits. The chip is expected to reach users by late 2025 for applications ranging from drug discovery to materials science. The company also […] The post IBM Unveils Nighthawk and Loon chip processors, marking major leap toward practical quantum computing first appeared on Tech Startups.
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