Frontend Frameworks

sortedcontainers

Fast and pure-Python implementation of sorted collections.

Status
UnmaintainedNo commits in 907 days.
Last checked
Checked · Oct 13, 2026
License
Open source
Pricing
Free tier · from $0

What it is

SortedContainers provides fast and efficient Python implementations of sorted lists, sets, and dictionaries. It is designed for high performance in scenarios where maintaining a sorted order is crucial.

SortedContainers stands out as a lightweight, dependency-free library that offers high-performance sorted collections in Python.

When it fits — and when it doesn’t

A good fit for

  • Developers who need efficient sorting operations without external dependencies

  • Projects that require high-performance sorted collections for large datasets

Look elsewhere if

  • Scenarios where a pure-Python solution is not preferred due to performance concerns

  • Applications requiring real-time data processing with extremely low latency

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

    SortedContainers is exclusively available in Python, limiting its utility for multi-language projects.

  2. 02

    Performance degradation with very large datasets

    While efficient, SortedContainers may exhibit performance issues when handling extremely large datasets due to the overhead of maintaining sorted order.

  3. 03

    Complex setup for non-Pythonic users

    The tool leverages Python-specific idioms and patterns which can be challenging for developers unfamiliar with these conventions.

What it does well

  • High-performance sorted collections

  • Pure Python implementation without dependencies

  • Thread-safe operations

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 sortedcontainers

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

Open the setup guide →
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