amazon-braket-default-simulator
An open source quantum program simulator to be run locally with the Amazon Braket SDK
Decision gist · record as of 2026-08-14
Yes, if you are developing quantum programs with Amazon Braket. The simulator is actively maintained, has no known vulnerabilities, and provides essential local testing before cloud submission. Install it alongside the Amazon Braket SDK as part of your quantum development workflow. Not relevant for non-Braket quantum work.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Amazon Braket SDK to be installed separately; requires Python >= 3.11.
- Low friction installation with a pure-Python wheel.
- Actively maintained as of 2026-08-14 with no known vulnerabilities.
License · maintenance · safety
Apache License 2.0 (permissive) — Licensed under Apache License 2.0 (permissive), allowing free use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
last release 2026-08-14 (0 days) · last repo commit 2026-08-14 · 74 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 160,291 downloads/mo, #10,666 on PyPI
Alternatives
Verify before relying
pip install amazon-braket-default-simulator
from braket.circuits import Circuit
from braket.devices import LocalSimulator
device = LocalSimulator()
bell = Circuit().h(0).cnot(0, 1)
print(device.run(bell, shots=100).result().measurement_counts)- Performance characteristics and simulation limits (maximum qubit count, circuit depth) not specified in fact sheet.
- Whether StateVectorSimulator and DensityMatrixSimulator have different accuracy or speed tradeoffs.
What it is and what it does
Amazon Braket Default Simulator is a local quantum circuit simulator that integrates with the Amazon Braket SDK. It implements two simulation backends—StateVectorSimulator and DensityMatrixSimulator—that you can use to test and debug quantum circuits before submitting them to the Amazon Braket cloud service. The simulator accepts quantum circuits defined using the Braket SDK and returns measurement results, allowing rapid iteration on quantum algorithm development without incurring cloud execution costs.
The package depends on numerical libraries (numba, numpy, scipy, sympy) and opt_einsum for efficient tensor operations. It is actively maintained, supports current Python versions (3.11, 3.12, 3.13), and carries no known security vulnerabilities. Installation is straightforward via pip, though you must have the Amazon Braket SDK installed separately to use it.
Use it for
- Test quantum circuits locally before submitting expensive cloud jobs to Amazon Braket.
- Debug quantum algorithms by inspecting measurement outcomes and state evolution.
- Prototype and validate quantum programs in development environments without cloud dependencies.
- Compare simulation results between state-vector and density-matrix backends for algorithm validation.
- Integrate quantum simulation into CI/CD pipelines for automated quantum software testing.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are developing quantum programs with Amazon Braket.
The simulator is actively maintained, has no known vulnerabilities, and provides essential local testing before cloud submission. Install it alongside the Amazon Braket SDK as part of your quantum development workflow. Not relevant for non-Braket quantum work.
Install
amazon-braket-default-simulator on PyPI
Before you install
Low friction installation with a pure-Python wheel. Actively maintained as of 2026-08-14 with no known vulnerabilities. Requires 8 runtime dependencies including numba, numpy, scipy, and sympy for numerical computation.
Requires Amazon Braket SDK to be installed separately; requires Python >= 3.11.
License in practice
Licensed under Apache License 2.0 (permissive), allowing free use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
Quickstart
pip install amazon-braket-default-simulator
from braket.circuits import Circuit
from braket.devices import LocalSimulator
device = LocalSimulator()
bell = Circuit().h(0).cnot(0, 1)
print(device.run(bell, shots=100).result().measurement_counts)Verify before relying
- Performance characteristics and simulation limits (maximum qubit count, circuit depth) not specified in fact sheet.
- Whether StateVectorSimulator and DensityMatrixSimulator have different accuracy or speed tradeoffs.
Package facts
| License | Apache License 2.0 permissive |
| Python support | Supports the current Python release >=3.11 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 8 packagesnumbanumpyopt_einsumpydanticscipysympyantlr4-python3-runtimeamazon-braket-schemas |
| Maintenance | Actively maintained 0 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 160,291 / month, #10,666 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseNatural Language :: EnglishProgramming Language :: PythonProgramming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13 |
Evidence: amazon_braket_default_simulator-1.40.0-py3-none-any.whl
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