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description: A new preprint study comparing 10 quantum processors from Quantinuum, IBM, and IQM found Quantinuum's machines, especially the Helios-1, handled...
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# Quantinuum Processors Stand Out in Study of Quantum Error-Correction Operations

**[The Quantum Insider](https://daily.dev/sources/thequantuminsider)** · 9 min read · 2 upvotes · 0 comments

## Summary

A new preprint study comparing 10 quantum processors from Quantinuum, IBM, and IQM found Quantinuum's machines, especially the Helios-1, handled measurement-based error-correction operations more reliably than competitors, introducing far less additional error than IBM's processors. Researchers from Germany's Jülich Supercomputing Centre proposed a simpler QAOA-based benchmark to assess hardware readiness for error correction before running full protected-memory experiments. Helios-1 preserved meaningful results across surface-code, color-code, and bivariate-bicycle test patterns up to 91 data qubits, and performance improved when operations were scheduled to run in parallel rather than sequentially. The benchmark correlated well with actual logical-memory error rates on IBM's Phoenix processor, though validation remains limited to small test patches and further work is needed before it can replace full error-correction experiments.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://thequantuminsider.com/2026/10/08/quantinuum-processors-stand-out-in-study-of-quantum-error-correction-operations>

## Questions this post answers

### How did Quantinuum's Helios-1 processor perform compared to IBM processors in quantum error correction measurement tests?

Helios-1 introduced substantially less additional error from mid-circuit measurements than IBM's processors in a comparative study. On IBM processors, measurement-based versions of test circuits had effective error rates roughly an order of magnitude higher than versions without measurements, while on Quantinuum's processors the extra error from measurements was comparable in scale to errors from two-qubit operations. Helios-1 also preserved meaningful results across tests involving up to 91 data qubits.

_Teams comparing quantum hardware vendors can follow benchmark results like these on daily.dev._

### What new benchmark method was proposed to test quantum hardware readiness for error correction?

Researchers from Jülich Supercomputing Centre designed a benchmark using a modified quantum approximate optimization algorithm (QAOA) that mimics the connection and measurement patterns of specific error-correction codes without performing full error correction. Scores range from 0.5 (random baseline) to 1 (optimal), and tests on IBM's Phoenix processor showed benchmark rankings correlated with actual logical-memory error rates, needing as few as 500 to 1,000 executions per test.

_Researchers evaluating new benchmarking approaches can track this kind of hardware-readiness work on daily.dev._

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Tags: [#quantum-computing](https://daily.dev/tags/quantum-computing), [#ibm](https://daily.dev/tags/ibm)

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