The AI Games is an online platform where users can create and train AI bots to compete in various strategy games.
Best Gymnasium Alternatives ranked by AI · updated Aug 2026
Gymnasium is the maintained successor to OpenAI Gym, providing a standard Python API and a broad collection of reinforcement learning environments. It is intended for researchers, educators, and developers who need current tooling and compatibility with modern reinforcement learning libraries.
Top 6 Gymnasium alternatives
OpenAI Gym is an open-source Python toolkit for developing and comparing reinforcement learning algorithms through standardized environments. It was widely used by...
Pros
- Established API used by a large body of reinforcement learning research
- Includes classic control, box2D, toy-text, and Atari-style environments
- Simple environment interface for prototyping agents
Cons
- No longer actively maintained compared with Gymnasium
- Older API differs from current reinforcement learning tooling
- Limited support for modern environments and dependency versions
OpenAI Universe is a platform for training AI agents in a diverse range of environments, including games and websites.
SerpentAI is a game agent framework that allows you to train AI to play any game you own with versatile inputs, and...
COCO (COmparing Continuous Optimisers) is a platform for systematic and sound comparisons of real-parameter global optimisers. It provides benchmark functions, easy interfaces...
Unity ML-Agents enables games and simulations to serve as environments for training intelligent agents.
Pros
- Integration with Unity game engine
- Realistic 3D environments for training
Cons
- Steep learning curve for beginners
- Limited support for non-game environments
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