Model Hubs & Serving

evostra

A fast Evolution Strategy implementation in Python for reinforcement learning.

Status
UnmaintainedNo commits in 3008 days.
Last checked
Checked · Oct 16, 2026
License
Open source
Pricing
Free tier · from $0

What it is

Evostra is a high-performance library that implements the Evolution Strategies algorithm in Python, making it easier to apply these techniques in reinforcement learning tasks. It's designed for efficiency and ease of use, allowing developers to quickly integrate evolutionary algorithms into their projects.

Evostra stands out with its high-performance Evolution Strategies implementation specifically tailored for Python and reinforcement learning tasks, offering a robust solution for those who need an efficient alternative to traditional machine learning algorithms.

When it fits — and when it doesn’t

A good fit for

  • Researchers looking for a fast Evolution Strategies implementation in Python

  • Developers needing to integrate evolutionary algorithms into their reinforcement learning projects quickly and efficiently

Look elsewhere if

  • Projects requiring real-time performance or extremely low-latency execution, as Evostra is optimized for efficiency rather than speed

  • Use cases where gradient-based methods are preferred over evolutionary strategies

Known weaknesses

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

  1. 01

    Narrow focus on Evolution Strategies limits versatility

    Evostra is specifically tailored towards evolution strategies in reinforcement learning tasks. It may not be as useful or adaptable for other types of machine learning problems that require different algorithms.

  2. 02

    Small community and limited support

    Due to its niche focus, Evostra has a relatively small user base which can result in fewer contributions, slower bug fixes, and less community-driven development compared to more popular libraries.

What it does well

  • High-performance Evolution Strategies implementation

  • Ease of integration into Python projects

  • Optimized for reinforcement learning tasks

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 evostra

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

Open the setup guide →
Get the badge

A small badge for evostra’s README or site: its name, “Tracked on AI Navigator”, and the availability status and check month from this page. It updates as the catalog does.

evostra — tracked on AI Navigator

Markdown

[![evostra — tracked on AI Navigator](https://navigateaitools.com/badge/evostra.svg)](https://navigateaitools.com/explorer/tool/evostra)

HTML

<a href="https://navigateaitools.com/explorer/tool/evostra"><img src="https://navigateaitools.com/badge/evostra.svg" alt="evostra — tracked on AI Navigator" height="58"></a>