No. 6 of 28 ·Test Data Generation Tools

Mimesis

Linux

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Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Mimesis is ranked #6 of 28 in test data generation tools on Freedom251. It runs on Linux. There is a free plan.

Mimesis plans and pricing

All plans

Mimesis Free Free software under the MIT License No paid plans stated mimesis.name · 4 Oct 2026

Compared on test data generation tools

Generation modes: synthetic
Relational data: Yes
Supported data formats: JSON, XML, CSV, pickle
Deployment: self-hosted

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The record

Product: Mimesis is a Python library that generates fake but realistic data across multiple languages and locales.
Use cases: The documentation describes using Mimesis to populate databases, create JSON or XML files, anonymize production data, and generate Pandas dataframes.
Data types: It can generate names, addresses, dates, phone numbers, email addresses, financial data, and other values.
Locales: Mimesis supports 47 locales.
Customization: Users can add custom data providers and custom field handlers.
Structured data: Mimesis includes schema based generators and supports related datasets with foreign keys and nested schemas.
Integration: The documentation describes integration with factory_boy and says ORM integration is possible using third party libraries such as mimesis-factory.
Editor support: Mimesis is fully typed and the documentation says it provides editor autocompletion across most of its API.
Compatibility: The current documented compatibility is Python 3.10 or higher, including PyPy 3.10; the final versions compatible with Python 3.8 and 3.9 are Mimesis 11.1.0.
Dependencies: Mimesis has no hard dependencies, though pytz is needed for timezone support in some Datetime provider methods.
Distribution: The project is installed as a Python package, including with pip, and the documentation also gives Poetry and Jupyter installation instructions.
License: Mimesis is provided under the MIT License, which permits use, copying, modification, distribution, sublicensing, and sale subject to its stated conditions.
Disclaimer: The creators say Mimesis is designed to facilitate testing and intended for legitimate use, and should not be used for illicit purposes.
Maintainers: The documentation identifies Isaak Uchakaev and contributors as the maintainers and lists Likid Geimfari and Sobolev Nikita as maintainers.
Price from: Free

Where it ranks on Freedom251

Best Test Data Generation Tools in 2026#6 of 28

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Sources

mimesis.name/master/· checked 4 Oct 2026
mimesis.name/master/about.html· checked 4 Oct 2026
mimesis.name/master/installation.html· checked 4 Oct 2026
mimesis.name/master/additional-info.html· checked 4 Oct 2026