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THE QUANTUM EXECUTION LAYER

The routing layer for quantum

One API that analyzes, prices, and routes circuits to the right available quantum hardware.

Hard constraints first. Eligible candidates ranked by projected quality, queue, cost, and reliability. Full decision trace on every job.

Join waitlist Read the API
Routable targets
1
QPU architectures
7
Index / QPU-hour
$5,317PUBLISHED
qrouter · local execution~/examples/bell.qasm

▸ Circuit profile01 / 05

MODE BALANCEDTARGET AUTOSHOTS 1,024
CIRCUIT PROFILE READY · 2Q / DEPTH 4LOCAL DEMO · CATALOG RATE SNAPSHOT

NETWORK

Backed by advisors and angels from

Past and present affiliations of individual advisors and supporters. Organizations shown do not imply institutional endorsement.

// 01 — BUILT FOR QUANTUM WORKLOADS

Deterministic where it matters,
quantum where it counts.

01

Workload specific

Every route begins with circuit requirements and explicit user constraints.

02

Predictable quotes

Review estimated execution cost and routing inputs before provider submission.

03

Provider neutral

Use one request and one result lifecycle across configured backends.

04

Traceable

Preserve candidate scores, rejection reasons, and the selected route.

// 02 — QCI ENGINE

Choose by trade-off,
not one metric.

QCI combines circuit compatibility, projected execution quality, queue time, cost, reliability, and user constraints into a workload-specific route decision.

The selected route should not simply be the fastest, cheapest, or highest-fidelity option. Hard constraints are applied first; eligible candidates are then ranked under the chosen policy.

  • Compatibility filters before scoring
  • Explicit cost & queue ceilings
  • Rejection reasons preserved per candidate
Read routing methodology
SELECTEDIBM BrisbaneBALANCED POLICY · PHYSICAL QPU REQUIRED
TWO-QUBIT FIDELITYESTIMATED 1,024-SHOT COST (LOG) →IBM Brisbane780s queue · $0.658IonQ Aria 11200s queue · $0.525IQM Garnet480s queue · $1.785
ILLUSTRATIVE QCI RATE SNAPSHOT3 ELIGIBLE / 5 CHECKED

01 / Route

Select the right available backend

The QCI Engine removes incompatible targets, applies workload constraints, and ranks the remaining options across projected quality, queue, cost, and reliability.Explore routing
ROUTE DECISION QCI / V1
QCI Aer GPU2 sec100.0%$0.0031SELECTED
Amazon SV18 sec100.0%$0.0845KEY REQUIRED
IBM Brisbane780 sec99.2%$65.90KEY REQUIRED
BALANCED · 2 QUBITS · 1,024 SHOTS · MAX $2.00

02 / Transpile

Compile for the selected architecture

Turn one OpenQASM circuit into a target-aware program without rebuilding your application around every provider SDK.Read the compiler docs 
OPENQASM 2 · BELL.QASMh q[0];
cx q[0], q[1];
measure q -> c;DEPTH 4 · 2 GATES
→
QCI AER GPU · LOCALh q[0];
cx q[0],q[1];
measure q -> c;OPT LEVEL 2 · ARTIFACT SAVED

03 / Price

Understand the quote before execution

The Quantum Compute Index normalizes configured pricing inputs to a QC-hour. Every public view identifies whether its data is a provider snapshot or a deterministic sample.View methodology
QUANTUM COMPUTE INDEXPUBLISHED
$5,317

per QPU-hour

04 / Deploy

Ship circuits, not provider integrations

Connect a repository, select an OpenQASM entrypoint, set routing defaults, and deploy from a branch, tag, or commit.Repository workflow
github.com/org/quantum-circuits main@f1d8dfc
01Inspect repository
02Detect examples/bell.qasm
03Load qrouter.json defaults
04Pin source commit
05Route to QCI Aer GPU
06Store compiled artifact
07Return normalized counts
Commit-pinned source · normalized artifacts

UNIFIED API

One key. One job contract. Every connected backend.

Submit Qiskit or OpenQASM once. QCI applies constraints, produces the quote, and returns a normalized job lifecycle regardless of provider.

API KEYqci_live_your_workspace_key
Request an API keyAPI reference
curl https://api.qrouter.dev/api/v1/jobs \
  -H "Authorization: Bearer $QROUTER_API_KEY" \
  -H "Idempotency-Key: bell-001" \
  -H "Content-Type: application/json" \
  -d '{
    "circuit": "OPENQASM 2.0; ...",
    "shots": 1024,
    "target": "auto",
    "routing_mode": "balanced"
  }'
POST /api/v1/jobs
201 CREATED{ "id": "job_qr_7c91", "backend": "ibm-brisbane", "quote": "$0.658", "status": "submitted" }