gymnasium

A standard API for reinforcement learning and a diverse set of reference environments (formerly Gym).

Installation

In a virtualenv (see these instructions if you need to create one):

pip3 install gymnasium

Dependencies

Releases

Version Released Bookworm
Python 3.11
Trixie
Python 3.13
Files
1.4.0 2026-10-05    
1.3.0 2026-04-22    
1.2.3 2025-12-18    
1.2.2 2025-11-04    
1.2.1 2025-09-23    
1.2.0 2025-06-27    
1.1.1 2025-03-06    
1.1.0 2025-02-26    
1.0.0 2024-10-08
1.0.0a2 pre-release 2024-05-21    
1.0.0a1 pre-release 2024-02-13    
0.29.1 2023-08-21
0.29.0 2023-07-14
0.28.1 2023-03-25
0.28.0 2023-03-24
0.27.1 2023-01-20
0.27.0 2022-12-12
0.26.3 2022-10-24
0.26.2 2022-10-05
0.26.1 2022-09-16
0.0.1 yanked 2021-11-05

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Page last updated 2026-10-05 13:15:52 UTC