Providers.
20 cloud-accessible QPU offerings tracked, grouped by vendor.
IBM Quantum — Open Planverified primary
IBM Heron r2 / Eagle systems · superconducting · 156 physical qubits · 99.70% 2Q fidelity
Free tier (10 min runtime per 28-day window) · $0
Honesty: 10 min QPU runtime per 28-day rolling window. One-time Mar 2026 promo: 180 min over 12 months for any user who has run at least 20 min in the prior year.
IBM Quantum — Pay-As-You-Goverified primary
IBM Heron r2 / r3 (156Q), Nighthawk r1 (120Q) · superconducting · 156 physical qubits · 99.70% 2Q fidelity
$/min QPU runtime · $96 per QPU minute
Honesty: Read directly from IBM's own pricing page on 2026-09-07: $96 USD per minute with a 1-second minimum purchase and no annual commitment.
IBM Quantum — Flex Planverified primary
IBM Heron r2 / r3 (156Q) · superconducting · 156 physical qubits · 99.70% 2Q fidelity
$/min (pre-purchased, 12-month window) · $72 per QPU minute
Honesty: IBM's pricing page states Flex starts at $72 USD per minute with a 400-minute annual minimum, a $28,800 annual floor. Read directly 2026-09-07.
IBM Quantum — Premiumverified primary
IBM Heron r2 / r3 (156Q), Nighthawk r1 (120Q) · superconducting · 156 physical qubits · 99.70% 2Q fidelity
$/min against a 5,200-minute annual minimum · $48 per QPU minute
Honesty: IBM's pricing page states Premium begins at $48 USD per minute with a 5,200-minute annual minimum, a $249,600 annual floor. Read directly 2026-09-07.
AWS Braket — IonQ Forteverified primary
IonQ Forte (36 qubits, Yb-171+ trapped-ion) · trapped-ion · 36 physical qubits · 99.60% 2Q fidelity
$0.30/task + $0.08/shot · $0.08 per shot
Honesty: Minimum 2,500 shots per task when error mitigation is on. Reserved access $7,000/hr. Re-verified 2026-09-07 against the AWS Price List API Braket offer file (publication 2026-08-31): $0.30 per task, $0.08 per shot, $7,000 per reserved hour, unchanged. Forte-Enterprise-1 carries the same rates.
AWS Braket — IonQ Aria (withdrawn)retired
IonQ Aria (25 qubits, Yb-171+ trapped-ion) · trapped-ion · 25 physical qubits · 99.50% 2Q fidelity
Withdrawn from Braket. Last published rate: $0.30/task + $0.03/shot · quote-only
Honesty: No longer orderable. Checked 2026-09-07: the Braket supported-devices list carries only Forte-1 and Forte-Enterprise-1 from IonQ, and Aria is absent from the Braket pricing table. The $0.03/shot rate survives only as a legacy SKU in the AWS Price List API alongside other retired devices (Harmony, Aspen). Kept here as a historical reference, not a current price. Azure Quantum still sells Aria 1.
AWS Braket — Rigetti Cepheus-1-108Qverified primary
Rigetti Cepheus-1-108Q (12 × 9-qubit chiplets, Ankaa-class) · superconducting · 108 physical qubits · 99.10% 2Q fidelity
$0.30/task + $0.000425/shot · $0.000425 per shot
Honesty: GA on Braket April 2026. Reserved $4,100/hr. Re-verified 2026-09-07 against the AWS Price List API Braket offer file (publication 2026-08-31): $0.30 per task, $0.000425 per shot, $4,100 per reserved hour, unchanged.
AWS Braket — QuEra Aquilaverified primary
QuEra Aquila (analog Hamiltonian simulator, Rydberg) · neutral-atom · 256 physical qubits · fidelity not published
$0.30/task + $0.01/shot (analog programs) · $0.01 per shot
Honesty: Analog mode only — not a gate-model device; 2Q fidelity not comparable. Reserved $2,500/hr. Re-verified 2026-09-07 against the AWS Price List API Braket offer file (publication 2026-08-31): $0.30 per task, $0.01 per shot, $2,500 per reserved hour, unchanged.
AWS Braket — IQM Garnetverified primary
IQM Garnet (20-qubit superconducting) · superconducting · 20 physical qubits · fidelity not published
$0.30/task + $0.00145/shot · $0.00145 per shot
Honesty: Reserved $3,000/hr. Re-verified 2026-09-07 against the AWS Price List API Braket offer file (publication 2026-08-31): $0.30 per task, $0.00145 per shot, $3,000 per reserved hour, unchanged.
AWS Braket — IQM Emeraldverified primary
IQM Emerald (54-qubit superconducting, Crystal 54) · superconducting · 54 physical qubits · 99.50% 2Q fidelity
$0.30/task + $0.00160/shot · $0.0016 per shot
Honesty: 54-qubit Crystal 54, full square-lattice connectivity, ~99.5% two-qubit gate fidelity. EU (Stockholm) region; launched on Braket July 2025. Reserved $4,000/hr.
AWS Braket — AQT IBEX-Q1verified primary
AQT IBEX-Q1 (12-qubit trapped-ion, calcium-40) · trapped-ion · 12 physical qubits · 98.70% 2Q fidelity
$0.30/task + $0.02350/shot · $0.0235 per shot
Honesty: 12-qubit all-to-all trapped-ion (Ca-40), Quantum Volume 128, room-temperature, <2 kW. First EU-hosted trapped-ion system on Braket (Innsbruck via Stockholm eu-north-1); launched Nov 2025. Avg 1Q fidelity 99.966%. Reserved $4,800/hr.
Azure Quantum — IonQ Aria 1 (PAYG)verified primary
IonQ Aria 1 (25-qubit trapped-ion) · trapped-ion · 25 physical qubits · 99.50% 2Q fidelity
Per-program AQT formula + minimum · $12.42-97.5 per program (minimum)
Honesty: Minimum per execution: $97.50 with error mitigation on (default), $12.4166 with mitigation off. Plus $0.000220/1Q-gate-shot, $0.000975/2Q-gate-shot. Re-read 2026-09-07; the Azure doc still carries a 2026-04-23 update stamp and the rates are unchanged. Azure also sells a $25,000/month Aria-Forte subscription covering Aria 1, Forte 1 and Forte Enterprise 1.
Azure Quantum — IonQ Forte (PAYG)verified primary
IonQ Forte 1 / Forte Enterprise 1 (36-qubit trapped-ion) · trapped-ion · 36 physical qubits · 99.60% 2Q fidelity
Per-program AQT formula + minimum · $25.79-168.2 per program (minimum)
Honesty: Minimum per execution: $168.195 with mitigation on (default), $25.7899 with mitigation off. Gate-shot rates differ from Aria: $0.0001645/1Q-gate-shot and $0.001121/2Q-gate-shot. Re-read 2026-09-07, unchanged.
Azure Quantum — Quantinuum H2 Standardverified primary
Quantinuum H2 (56-qubit trapped-ion, QCCD) · trapped-ion · 56 physical qubits · 12 logical · 99.80% 2Q fidelity
Monthly subscription, HQC-metered · $125,000 per month
Honesty: $125K/mo includes 10k HQCs on H2 + 100k eHQCs on emulator. HQC = 5 + C(N_1q + 10·N_2q + 5·N_m)/5000. Re-read 2026-09-07, unchanged. A quote-only pay-as-you-go H2 option is also listed, priced per HQC via Quantinuum sales.
Azure Quantum — Quantinuum H2 Premiumverified primary
Quantinuum H2 (56-qubit trapped-ion, QCCD) · trapped-ion · 56 physical qubits · 12 logical · 99.80% 2Q fidelity
Monthly subscription, HQC-metered · $175,000 per month
Honesty: $175K/mo includes 17k HQCs on H2 + 170k eHQCs on emulator. Re-read 2026-09-07, unchanged.
Azure Quantum — Rigetti Cepheusverified primary
Rigetti Cepheus-1-108Q · superconducting · 108 physical qubits · 99.10% 2Q fidelity
$0.02 per 10-ms execution increment · $0.02 per 10-ms
Honesty: $0.02 per 10-ms = $2/sec or $120/min. QVM simulator free. Re-read 2026-09-07, unchanged; Cepheus-1-108Q is the only Rigetti QPU listed on Azure.
Azure Quantum — Pasqal Fresnelverified primary
Pasqal Fresnel (Orion Beta generation) · neutral-atom · 100 physical qubits · fidelity not published
Per QPU-hour (EUR) · $3,487 per QPU hour
Honesty: Priced by Pasqal in euros: EUR 3,000 per QPU-hour, emulator EUR 15/hr. The euro price is unchanged on re-read 2026-09-07; the dollar figure moved because the euro did. Converted at the ECB reference rate of 1.1622 USD/EUR (2026-09-04), giving about $3,487. The earlier $3,210 used a 1.07 rate that no longer holds.
Google Quantum AI — Willowquote only
Willow (Sycamore-class successor) · superconducting · 105 physical qubits · 1 logical · fidelity not published
Research-only access; not commercially priced · quote-only
Honesty: Early-access research programme only; selection via proposal, application deadline 15 May 2026, and Google states selected applicants have been notified. Willow is not yet available to the public and carries no published list price. Re-checked 2026-09-07. Below-threshold QEC demonstrated to distance-7 surface code (Nature, Dec 2024).
D-Wave Leap — Trialverified primary
Advantage2 (Zephyr topology) · annealer · 4400 physical qubits · fidelity not published
Free trial (1 min QPU time or 20 min hybrid solver) · $0 free trial
Honesty: One minute of QPU time or 20 minutes of hybrid-solver time, or a combination; the trial expires one month after signup (UTC). Re-verified 2026-09-07 on D-Wave's own developer page after the older support-centre article started returning 403 to automated fetches. D-Wave separately runs the Leap Quantum LaunchPad programme, a 3-month free trial for qualified applicants. ANNEALER paradigm — not gate-model; 2Q fidelity not directly comparable.
D-Wave Leap — Commercialquote only
Advantage2 (4,400+ flux-qubit annealer) · annealer · 4400 physical qubits · fidelity not published
Annual subscription, quote-only · quote-only
Honesty: No public 2026 list price. Re-checked 2026-09-07: D-Wave's cloud-platform page still routes commercial Leap access through contact-sales with no published tiers or rates. Previously documented at ~$2,000/hr in 2023 industry reports — do not republish that figure.