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Quantinuum Helios

Quantinuum · #2 most active of 17 in Quantum

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Highest published two-qubit fidelities, all-to-all connectivity, real-time classical control.

Current version

Helios

Entry cost

Enterprise contract / credits

Changes / 30d

1

Capabilities

  • all-to-all connectivity
  • 99.9%+ 2Q fidelity
  • real-time conditional logic

Pricing

Enterprise contract / credits

Entry price over time

Not enough pricing history yet — we start charting from the second observation.

Geek mode

Models under the hood

  • Helios trapped-ion QPU

    Quantinuum

    disclosed

  • Guppy / TKET

    Quantinuum

    disclosed

Context window

—

Public API

yes

Multi-model routing

no

Stack signals

  • trapped ion
  • QCCD
  • TKET

Shared model stack

Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.

green disclosed · amber inferred · grey unknown

Reported scale

Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.

No public usage figure on record for this product.

Also in Quantum

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Model
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Version
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Model
cat qubit
Amazon Braket

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Managed multi-vendor quantum cloud

Version
GA
Cost
Free simulator tier, per-task hardware pricing
Model
IonQ / IQM / Rigetti / QuEra
Atom Computing

Atom Computing

Neutral-atom systems with 1,000+ qubit arrays.

Version
2025
Cost
Partnership-based
Model
neutral atom
Azure Quantum

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Quantum cloud plus resource estimation

Version
GA
Cost
Free credits then per-hardware pricing
Model
Quantinuum / IonQ / Pasqal
CUDA-Q

NVIDIA

Hybrid quantum-classical programming platform.

Version
0.x
Cost
Free
Model
simulators + partner QPUs

Change history

  • version

    Helios goes live, succeeding H2

    H2Helios

    source