PredictionHardwarePartly delivered
Quantinuum to release Helios, a 100-qubit machine with lower error rates, in 2025
Due 2025
Quantinuum said it would release its Helios system in 2025 with around 100 physical qubits and two-qubit gate error rates below 5 in 10,000 operations (0.05%).
- Predicted by
- Quantinuum
- Type
- Official company roadmap
- Said on
- Sep 2024
- Original deadline
- in 2025 (2025)
- Status
- Partly delivered
Outcome
Nov 5, 2025: Quantinuum launched Helios on November 5, 2025, with 98 qubits, meeting the date and the qubit target. Its reported two-qubit gate fidelity of 99.921% means an error rate of about 0.079%, above the promised maximum of 0.05%.
Outcome sources
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Quantinuum
Quantinuum Announces Commercial Launch of New Helios Quantum Computer that Offers Unprecedented Accuracy to Enable Generative Quantum AI (GenQAI)
“Physical qubits (PQ): 98 PQ at 99.921% 2-qubit gate fidelity, and 99.9975% 1-qubit gate fidelity.”
-
The Quantum Insider
Quantinuum Announces Commercial Launch of Helios — A Quantum Computer With Accuracy to Enable Generative Quantum AI
“Physical qubits (PQ):98 PQ at 99.921% 2-qubit gate fidelity, and 99.9975% 1-qubit gate fidelity.”
Source
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Quantinuum
Technical perspective: By the end of the decade, we will deliver universal, fully fault-tolerant quantum computing
“The Quantinuum Helios™ system, which we are releasing in 2025, will offer around 100 physical qubits with two-qubit gate errors less than 5x10-4.”
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