Quimb
The facts below are what the maker publishes about Quimb, checked and dated. Our editors have not written about it yet.
Plans and prices
From Quimb's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| quimb | Free | Python library; no paid plans or usage limits stated |
The facts
Each one read from Quimb's own pages, with the date it was checked.
What it does
- 3D visuals
- Nochecked 23 Sep 2026
- Algorithms
- The tensor module includes MPS, PEPS, MERA, and quantum-circuit algorithms such as DMRG and TEBD.checked 11 Oct 2026
- Analysis
- Quimb can compute quantities including entanglement measures and stochastically estimate Tr f(X) quantities.checked 11 Oct 2026
- Array backends
- The tensor module can use backend array libraries including JAX and PyTorch through autoray.checked 11 Oct 2026
- Assessment tools
- Nochecked 23 Sep 2026
- Authoring tools
- Nochecked 23 Sep 2026
- Circuit support
- The documentation includes a quantum-circuit guide and a guide for importing OpenQASM circuits.checked 11 Oct 2026
- Delivery mode
- desktopchecked 23 Sep 2026
- Distribution
- Quimb is available from PyPI and conda-forge, and the installation guide recommends Pixi for setup.checked 11 Oct 2026
- Exact calculations
- The core module supports quantum calculations using NumPy arrays or SciPy sparse matrices, including finding ground and excited states and performing time evolution.checked 11 Oct 2026
- Lesson library
- Nochecked 23 Sep 2026
- Optional acceleration
- The guide describes optional SLEPc and PETSc packages, with MPI dependencies, for accelerated and optionally distributed partial eigensolving, SVD, and exponentiation.checked 11 Oct 2026
- Purpose
- Quimb is a Python library for quantum information and many-body calculations, with a primary focus on tensor networks.checked 11 Oct 2026
- Requirements
- The documented core requirements include Python 3.11 or newer, NumPy, SciPy, Numba, cytoolz, tqdm, and psutil.checked 11 Oct 2026
- Research audience
- The documentation says quimb is published in the Journal of Open Source Software and asks researchers to cite it when useful in research.checked 11 Oct 2026
- Tensor networks
- Its tensor module can construct and manipulate arbitrary tensor-network graphs, then contract, optimize, and draw networks.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 23 Sep 2026
Alternatives to Quimb
- 1
SimFlow
Free planWebLinuxmacOSWindows8.2From €8,000 a year - 2
COMSOL Multiphysics
WebAPILinuxmacOS7.7 - 3
FeenoX
Free planWebAPILinuxSelf-hosted7.5Free plan - 4
myPhysicsLab
Free planWebLinuxmacOSSelf-hosted7.5Free plan - 5
OpenFOAM
Free planLinuxmacOSSelf-hostedWindows7.3Free plan - 6
MPTRAC
Free planWebLinuxSelf-hosted7.2Free plan