pricing

Priced by the observable, not the qubit.

Width costs us nothing on these routes, so it costs you nothing: every tier takes 256 qubits per call. What a tier sells is the bundle budget — the largest observable a job may carry — and the credits a month includes. One credit per 10,000 words of the largest bundle, per observable; one to two credits per QEC point. A job that is refused or fails is not charged.

Free

$0

Run your own circuits. Enough bundle for a depth-4 random circuit at any width, or a 12-site quench. No card.

  • 60,000 words per bundle
  • 100 credits included
  • 64 qubits per call (abuse bound)
  • Certificates on every value
  • Citable records with permalinks
  • API keys, revocable

depth-4 brickwork at any width · TFIM 8–12 sites · d=5 coherent sweeps

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Verifier

$100/month

A group standing behind results, with the bundle budget for 24-site quenches and depth-5 brickwork.

  • 600,000 words per bundle
  • 25,000 credits included
  • 256 qubits per call (abuse bound)
  • Certificates on every value
  • Citable records with permalinks
  • API keys, revocable

TFIM to 24 sites · depth-5 brickwork at any width

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Enterprise

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Offline certified jobs above the single-request budget, d=7 coherent QEC, the fermionic chart at 200+ sites, and IV&V contracts.

  • 4,000,000 words per bundle
  • 1,000,000 credits included
  • 2,000 qubits per call (abuse bound)
  • Certificates on every value
  • Citable records with permalinks
  • API keys, revocable

TFIM to 100 sites certified · 200 sites exact (fermionic chart) · d=7 QEC

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Tier changes take effect when the payment processor confirms them, never on request. The width-side verification route keeps its own per-run credit cost. Bundle sizes quoted for the "fits" lines are the measured sizes in record cq-front-2026-09-01.

other ways to work with us

When the console is not the product.

Certified jobs

Above the single-request budget — 100-site quenches, d=7 coherent QEC, 33-million-term transforms — run offline and return a signed record. Priced per job.

Verification engagements

We reproduce a vendor or hardware claim you are evaluating against analytic or certified ground truth, and deliver a record you can re-run yourself. Fixed scope, fixed price.

Toolchain licensing

The routes behind a compiler, transpiler or QEC product's own CI, under an OEM licence with a private deployment.

Research groups

Site licences for departments and labs, with citation terms so a certificate can appear in a paper.

Ask about an engagement

scope

What it does, and what it does not.

Stating the boundary next to the result is the point. In a field where every benchmark is self-reported, the vendor that publishes its own limits is the one worth checking.

In class

  • Any circuit over the universal gate set, measured at the end: the exact probability of every outcome on up to 20 measured qubits, or up to 10 when the measured qubits depend on more than 20 qubits of the circuit. Counts, when asked for, are those probabilities times the shots, rounded.
  • Exact expectation values and typed observables on structured circuits, at widths of a million qubits.
  • Local observables on deep circuits: exact to depth 10 on a 1D brickwork of any width (measured at 1,000,000 qubits), certified beyond it. The cost is set by depth, not width.
  • Condensed-matter quenches: certified observable transport (TFIM to 100 sites within 4e-7 of an MPS oracle) and exact matchgate dynamics in the fermionic chart (TFIM order parameter at 200 sites in 7.7 s).
  • QEC: code-capacity thresholds at any distance in O(n) per shot, and the exact coherent-error logical channel of the rotated surface code at d=3 and d=5.
  • Analytic ground truth a third party can check without trusting us.

Out of class

  • Random sampling of shots: counts are exact probabilities times the shots, rounded, never draws. Distributions over more than 20 measured qubits are refused.
  • Scrambled circuits wider than 20 qubits at depth of order the width: each measured qubit depends on more of the circuit than one run holds, and the run is refused with the numbers, never approximated.
  • Interacting spin models at long times (XXZ, Hubbard): the value is returned with its certificate, and past 24 sites the certificate stops certifying.
  • Any claim about hardware fidelity. This is a classical engine, not a QPU.