Head to head

Quantinuum Helios vs IonQ Forte

Quantinuum Helios (Quantinuum) and IonQ Forte (IonQ) both sit in Quantum. Every value below comes from the latest crawl of the vendors' own pages.

Attribute	Quantinuum Helios Quantinuum	IonQ Forte IonQ
Segment	Quantum	Quantum
Version	Helios	Forte
Entry cost	Hardware-as-a-service / access via Nexus cloud or on-premise. Pricing is not published (contact sales).	Pricing is not published. Sign up for a free account to access simulators and manage API keys; hardware/QPU access is paid.
Pricing tiers	—	IonQ Quantum Cloud Free Account free
Model stack	Guppy / TKET · Helios · Helios trapped-ion QPU	Forte · Forte QPU · IonQ Forte · IonQ Forte QPU
Context window	—	—
Public API
Routes models
Changes / 30d	6	6
Origin	Global	Global
Capabilities	all-to-all connectivity, 99.9%+ 2Q fidelity, real-time conditional logic, Hardware-as-a-Service, On-premise access, Cloud access, 99.921% Two-qubit gate fidelity, 99.921% two-qubit gate fidelity	36 algorithmic qubits, cloud + on-prem systems, native gate access, Trapped ion quantum computing, IonQ Quantum Cloud access, Forte noise model simulator, Qiskit integration, Cirq integration

Quantinuum Helios

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

Forte and Forte Enterprise systems available through Braket, Azure and IonQ Cloud.