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COMPANY RESEARCH · Computing hardware

Quantinuum

Provides programmable trapped-ion computers and tools for circuits with mid-circuit measurement, reset and classical feedback, alongside emulators for development.

United States / United Kingdom · Research reviewed 7 Sept 2026

Latest record: 2 evidence sources added · axis ratings unchanged.

Review history 2 records

Record dates show when an assessment or clarification was saved. Review dates show the evidence check. Earlier records were recovered from QubitWire’s source history; no earlier score movement is inferred.

  1. 2 evidence sources added · axis ratings unchanged

    Assessment reviewed 6 Sept 2026 · Research reviewed 7 Sept 2026
    What changed
    Research brief
    PreviouslyNone recorded
    NowInitial technology, access and evidence brief
    Evidence source
    PreviouslyNone recorded
    Nowhttps://docs.quantinuum.com/systems/user_guide/hardware_user_guide/access.html
    Evidence source
    PreviouslyNone recorded
    Nowhttps://arxiv.org/abs/2604.26423
    Sources in this record (6)
TECHNOLOGY & ACCESS

What it does. Where it fits.

Trapped-ion quantum charge-coupled device (QCCD): Helios moves barium-ion qubits between storage and logic zones to enable all-to-all connectivity.

Who should look closer

Testing circuits that benefit from flexible qubit connectivity. Research on dynamic circuits, error correction and hardware-aware algorithm design.

QubitWire’s editorial assessment of practical fit.

Subscription hardware and emulators

Subscription users can access supported hardware, emulators and machine-specific syntax checkers through Quantinuum's documented interfaces. Available machines depend on the subscription.

Check the current access route ↗
DOCUMENTED EVIDENCE

What has been demonstrated

The vendor's Helios preprint characterizes a 98-qubit processor. A separate Jülich-authored preprint compares Helios against exact simulations up to 48 qubits and finds output distinguishable from random sampling up to 93 qubits on its specified LR-QAOA benchmark.

What remains unresolved

The Jülich study is a preprint with limited samples. Above 48 qubits its reference is random sampling, not exact ground truth; those results do not establish optimal solutions or general application advantage.

The next question to watch

Can the measured circuit quality translate into repeatable useful applications and more capable logical computation as system size and workload depth increase?

A research question, not a promised milestone.

QubitWire coverage

CHECK THE ORIGINALS

Sources & evidence

  1. Helios: A 98-qubit trapped-ion quantum computerOrganization-originated source · 7 Nov 2025

    The technical preprint reports 98 qubits, all-to-all connectivity and average two-qubit gate infidelity of 7.9(2) times 10^-4 across operational zones.

  2. Quantinuum Announces Commercial Launch of HeliosOrganization-originated source · 5 Nov 2025

    Launch announcement offers Helios through cloud and on-premise channels, identifies Guppy programming support and names Amgen, BMW, JPMorganChase and SoftBank as early users or collaborators.

  3. Helios Operation — Quantinuum SystemsOrganization-originated source · Publication date not stated

    User documentation covers barium-ion qubits, dynamic transport, native gates, mid-circuit measurement and real-time classical computation.

  4. Fermionic dynamics on a trapped-ion quantum computer beyond exact classical simulationOrganization-originated source · 30 Oct 2025

    Phasecraft and Quantinuum researchers report 56-qubit Fermi-Hubbard dynamics on H2, with exact checks where feasible.

  5. Quantinuum Systems — access, emulators and syntax checkersVendor technical documentation · Publication date not stated

    Explains subscription access and distinguishes actual processors, emulators and syntax-only checks.

  6. Large-Scale Quantum Circuit Simulation on an Exascale System for QPU BenchmarkingIndependent research preprint · 29 Apr 2026

    Jülich authors benchmark Helios against exact simulations through 48 qubits, then random sampling at larger sizes. Results degrade into the random regime at 95 and 98 qubits for the tested circuit family.

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