--- title: Gymnasium Reviews meta_title: 'Gymnasium Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter reviews by the users' company size, role or industry to find out how Gymnasium works for a business like yours. aggregate_rating: rating_value: 4.3 review_count: 6 scale: '5' date_modified: '2026-09-22' parent_category: name: Artificial Intelligence url: https://www.g2.com/categories/artificial-intelligence --- # Gymnasium Reviews **Vendor:** Farama Foundation **Category:** [Machine Learning Software](https://www.g2.com/categories/machine-learning) **Average Rating:** 4.3/5.0 **Total Reviews:** 6 ## About Gymnasium OpenAI Gym is a toolkit for developing and comparing reinforcement learning algorithms that supports teaching agents everything from walking to playing games like Pong or Go. ## Gymnasium Pros & Cons Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews. **What users like:** - Users value the **AI Technology** of Gymnasium, finding it essential for advancing their reinforcement learning research. (1 reviews) - Users find Gymnasium to be an excellent platform for **problem solving** , significantly aiding their research activities. (1 reviews) **What users dislike:** - Users find the **complex implementation** challenging, especially for newcomers and in multi-agent environments. (1 reviews) - Users find the **limited features** of Gymnasium challenging, especially in a multi-agent environment and for beginners. (1 reviews) - Users find the **limited support** for multi-agent environments challenging, especially as newcomers to the product. (1 reviews) ## Gymnasium Reviews ### 1. Gym is reinforcement and agent learning toolkit **Rating:** 4.5/5.0 stars **Reviewed by:** Alok y. | Mysql Database Administrator, Small-Business (50 or fewer emp.) **Current User:** The reviewer uploaded a screenshot or submitted the review in-app verifying them as current user. **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** August 08, 2024 **What do you like best about Gymnasium?** Gym is a playground for AI agents to learn to perform their tasks with flexible classes and customization to improve accuracy more and more. I compare my reinforcement learning algorithms like DDPG, DQN, and PPO, while training Gym enhances my model abilities and trains my model on different algorithms and compares better-performing algorithms. Gym is open source and it has classes and modules and custom environments for specific needs and to simulate specialized tasks. Overall, Gym is a feature-rich and user-friendly toolkit. **What do you dislike about Gymnasium?** Gym hasn't distributed training support for complex environments or larger models. Also, it hasn't multi-agent training environments, which is too much of a limitation, like Gym hasn't built-in transfer learning support. **What problems is Gymnasium solving and how is that benefiting you?** Training model and compare to choose best performing algorithms ### 2. OpenAI Gym review **Rating:** 5.0/5.0 stars **Reviewed by:** Goodness E. | Virtual Assistant/Project Manager , Market Research, Small-Business (50 or fewer emp.) **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** December 10, 2024 **What do you like best about Gymnasium?** OpenAI Gym to me is the most popular platform for reinforcement learning research. And it has really been useful for me and my friends in our research activities. **What do you dislike about Gymnasium?** It is not easy to use for me as a newbie. It also has limited support for a multi-agent environment. This has really posed a challenge. **What problems is Gymnasium solving and how is that benefiting you?** OpenAI Gym is solving problems related to reinforcement learning, and personally it has helped me and my team in contributing to the development of more sophisticated AI models, which has led to improved performance in our game application. ### 3. One of the best reinforcement learning toolkit Gym **Rating:** 4.5/5.0 stars **Reviewed by:** anshuman m. | Full-stack Developer, Computer Software, Small-Business (50 or fewer emp.) **Current User:** The reviewer uploaded a screenshot or submitted the review in-app verifying them as current user. **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** February 24, 2024 At G2, we prefer fresh reviews and we like to follow up with reviewers. They may not have updated their review text, but have updated their review. **What do you like best about Gymnasium?** One of the best advancements is its work with multiple algorithms written in any framework. Gym provides me the ability to test my algorithms on high levels of complexity and many types of tasks. Gym API provides an interface of environments to compare the performance of different RL algorithms. **What do you dislike about Gymnasium?** One of the biggest disadvantages I found Gym does not support multi-agent environments it has single-agent environments as multiple agents work in a shared environment which is very good for reinforcement learning. Version capability problems packages can issues during installation and usage. Update problem Gym library remains up to date with the latest advancements and latest environments with time. **What problems is Gymnasium solving and how is that benefiting you?** Help to optimize My reinforcement learning task as a single agent learning environment ### 4. Reinforcement Learning toolkit **Rating:** 3.0/5.0 stars **Reviewed by:** Vishal M. | Technical Lead, Small-Business (50 or fewer emp.) **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** April 06, 2022 **What do you like best about Gymnasium?** They have a leaderboard so contributors can see how their enhancements to reinforcement learning algorithms compare to others, this acts as the starting point fun to learn way for new developers to use their API and produce experimental results and compare with others **What do you dislike about Gymnasium?** Developing AI technology compulsory has to be on an open source project, which could be counterproductive to few. Documentation is not that great and need a bit of time to go through and get used to the kit **What problems is Gymnasium solving and how is that benefiting you?** Tried to automate board-based game as starting point learning the reinforcement learning and exploring the scenarios where the toolkit can actually be productive in actual business scenario. Trying to explore ways to cross train models on existing algorithms, to curve out results ### 5. Library and Class are best to usable **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Wireless | Enterprise (> 1000 emp.) This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture. **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** September 15, 2021 **What do you like best about Gymnasium?** Open source and best to use classes and modules **What do you dislike about Gymnasium?** It could have a little bit more flexibility for the training an agent **What problems is Gymnasium solving and how is that benefiting you?** I am trying to build an RL algorithm for a wireless network optimization ### 6. OpenAI Gym **Rating:** 4.0/5.0 stars **Reviewed by:** Kevin T. | Software Engineering Intern, Information Technology and Services, Enterprise (> 1000 emp.) **Validated Reviewer:** Validated through LinkedIn **Source: Seller invite:** Invitation from a seller or affiliate. This reviewer was not provided any incentive by G2 for completing this review. **Reviewed Date:** August 20, 2018 **What do you like best about Gymnasium?** This toolkit for creating learning algorithms is useful and easy to pick up. Better than writing from scratch via scikit learn and good at testing for performance than pure cross validation. **What do you dislike about Gymnasium?** Couldn't specify ensembles or some low level options to customize my algorithm for specified targeting. **What problems is Gymnasium solving and how is that benefiting you?** Data warehouse processing. ## Gymnasium Discussions - [What is info in OpenAI gym?](https://www.g2.com/discussions/what-is-info-in-openai-gym) - [What is OpenAI used for?](https://www.g2.com/discussions/what-is-openai-used-for) - [How does OpenAI gym work?](https://www.g2.com/discussions/how-does-openai-gym-work) - [View Gymnasium pricing details and edition comparison](https://www.g2.com/products/gymnasium/reviews?section=pricing&secure%5Bexpires_at%5D=2026-10-05+06%3A59%3A14+-0500&secure%5Bsession_id%5D=27a3fb60-3050-477e-849c-7642ffbc34c1&secure%5Btoken%5D=7840ad5f03a3fa2548fff0eb7041c5e4f3df4322da1d43843b4934bb5a5cc734&format=llm_user) ## Gymnasium Features **Additional Functionality** - Tagging - Natural Language Processing - Data Extraction - Multi-Language - Predictive Analytics - Drag & Drop - Speech Recognition - Reporting/Analytics - Data Storage Management - Virtual Personal Assistant (VPA) - AI Copilot - Customer Segmentation - Collaboration Tools - Data Import/Export - Generative AI - For eCommerce - Role-Based Permissions - Customizable Branding - Search/Filter - Monitoring - Document Management - API - Data Visualization - Trend Analysis - Machine Learning - Access Controls/Permissions - Alerts/Escalation - Performance Metrics - Real-Time Data - Third-Party Integrations - Mobile App - Multiple Data Sources - For Sales Teams/Organizations - Sentiment Analysis - Activity Dashboard - Chatbot - Workflow Automation **Integration - Machine Learning** - Integration - Third-Party Integrations **Learning - Machine Learning** - Training Data - Actionable Insights - Algorithm **Additional Functionality** - Predictive Modeling - Configurable Workflow - Tagging - Data Import/Export - API - Predictive Analytics - Data Visualization - Endpoint Management - Multiple Data Sources - No-Code - Data Preparation - Auditing - Collaboration Tools - Big Data Analytics - ML Algorithm Library - Data Management - Activity Dashboard - Data Capture and Transfer - Activity Tracking - Data Connectors - Data Security - Data Extraction - Reporting & Statistics - Workflow Management - AI Copilot ## Top Gymnasium Alternatives - [Automation Anywhere Agentic Process Automation](https://www.g2.com/products/automation-anywhere-agentic-process-automation/reviews) - 4.5/5.0 (4,149 reviews) - [Phrase](https://www.g2.com/products/phrase-phrase/reviews) - 4.5/5.0 (1,323 reviews) - [Alteryx](https://www.g2.com/products/alteryx/reviews) - 4.6/5.0 (869 reviews)