See every step.
Follow the circuit diagram and source code together. Advance gate by gate or play the complete sequence.
CIRCUIT DIAGRAM · STEP CONTROLS
qSapien AI Labs · Quantum × AI
A quantum idea.
A clearer way
to explore it.
See what a quantum circuit does, one gate at a time. Inspect the state, explore measurement outcomes, and take your results into the next experiment.
Opens in a new tab · Browser-based simulation · No quantum hardware needed
QUANTUM THINKING, MADE VISIBLEqS / 01
ONE STANDALONE LABQiskit-style circuitsCirq-style circuitsOpenQASM 2Up to 15 qubits
A practical place to begin
Look inside
your experiment.
The lab turns a supported circuit into an inspectable simulation. Start with an example, upload a small circuit, and follow how its gates change the quantum state.
Make states visible.
Explore amplitudes, basis-state probabilities, and single-qubit Bloch vectors as your circuit evolves.
STATE VECTOR · PROBABILITIES
Keep the evidence.
Choose a sampling seed and shot count. Export the circuit, execution progress, probabilities, and sampled outcomes as JSON.
SEEDED SAMPLING · RESULT EXPORT
A complete workspace, in its own tab
From your first circuit
to an inspectable result.
BELL STATE / ILLUSTRATIVE CIRCUIT
2qubits
50%ideal P(00)
50%ideal P(11)
An ideal mathematical example. Finite-shot counts fluctuate around these probabilities.
- 01
Sign in to your lab account.
Your account is shared across devices through the existing MySQL login. New registration accepts .edu email addresses; email ownership is not verified.
- 02
Choose an example or upload a circuit.
Use supported Qiskit/Cirq circuit syntax or OpenQASM 2. The lab checks every instruction and identifies unsupported code before simulation.
- 03
Run, inspect, and export.
Compare probabilities with your expected results. Export a record of the simulated experiment for review.
New standalone AI lab · Open registration
AI Tokenomincs Lab.
Paste code or prompts to analyze AI API usage, generate optimized code candidates, and explore projected KPI savings. Three free analyses per account. Register with any valid email address.
Clear limits. Useful experiments.
Know what your
results mean.
qSapien.ai currently provides ideal-state simulation for small, explicitly defined circuits. It helps you inspect a circuit's behavior within those assumptions.
- Input files
- .py, .qasm, or .txt; up to 128 KB
- Circuit size
- 1–15 qubits; up to 1,500 operations
- Supported gates
- H, X, Y, Z, S, T and supported inverses; rotations; phase; controlled gates; SWAP; Toffoli. Exact syntax varies by input format.
- Measurements
- Final measurement of all qubits; reproducible seeded samples
- Run location
- Simulation runs in your browser. Choosing Save stores circuit source in your private account on the server.
Interpret the results within the model. No hardware noise, arbitrary Python, training loops, or mid-circuit measurement. Simulation alone does not establish real-device performance, quantum advantage, or universal algorithm correctness.
qSapien AI Labs
What would you
like to explore?
Tell us about your quantum or AI research question, a lab issue, or an idea for collaboration.
Keep passwords, recovery keys, and private research data out of your inquiry.