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Quantinuum Sets New Quantum Error-Correction Record
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Fusion42 · 19 October 2026 · Fusion42 review
Quantinuum has set a new world record for quantum error-correction with its Helios computer achieving 99.9995% logical fidelity, significantly lowering error rates compared to previous records and competitors. This breakthrough uses AI decoders and all-to-all qubit connectivity, advancing the path toward fault-tolerant quantum computing by 2029.
This Wire brief sits within Fusion42's coverage of Quantum Computing and AI Infrastructure, and 4 sources have reported it between 19 Oct 2026 and 27 Oct 2026.
◆ ◆ The Wire takeaway
You need to rethink product roadmaps as fault-tolerant quantum computing is closer than expected, especially if your tech relies on quantum error correction. This jump in error reduction means competitors can no longer ignore Quantinuum's lead in offering near-perfect quantum reliability.
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4 sources · first reported 19 Oct 2026 · latest 27 Oct 2026
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