Frontend Frameworks

textdistance

Compute distance between sequences with over 30 algorithms.

Status
UnmaintainedNo commits in 545 days.
Last checked
Aging · Sep 4, 2026
License
Open source
Pricing
Free tier · from $0

What it is

Textdistance is a Python library that provides more than thirty string metrics for computing distances and similarities between sequences. It's useful in various applications such as natural language processing, data cleaning, and information retrieval where sequence comparison is required.

Textdistance offers a comprehensive set of string distance algorithms in a single, easy-to-use Python library, making it ideal for developers and data scientists who need robust sequence comparison capabilities.

When it fits — and when it doesn’t

A good fit for

  • Developers working on projects that require string distance calculations for data analysis or NLP tasks

  • Data scientists who need to compare and analyze textual data efficiently

Look elsewhere if

  • Projects requiring real-time processing of large datasets where performance is critical

  • Applications needing a web-based interface for sequence comparison

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited language support

    The library is exclusively available in Python, which can be a limitation for projects that use other languages.

  2. 02

    Poor documentation for advanced usage

    While the basic API is well-documented, detailed explanations and examples for more complex operations are lacking.

  3. 03

    Performance issues with very large datasets

    The library can become slow when processing extremely large sequences or datasets due to computational complexity of string distance algorithms.

What it does well

  • Supports over 30 string distance algorithms

  • Easy to use API for comparing sequences

  • High performance with optimized implementations

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up textdistance

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →