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Environments

The OpenEnv community has built a catalog of ready-to-run environments that cover deterministic smoke tests, full developer workflows, and multi-step reasoning challenges. Explore the surface area below and jump directly into the guides for each environment.

Echo

Minimal observation/action loop for verifying client integrations, CI pipelines, and onboarding flows in seconds.

Coding

Secure sandbox with filesystem access and evaluation hooks for executing generated code and building autonomous dev workflows.

Chat

Message-driven loop tailored for conversational agents that need structured turns, safety rails, and message attribution.

Atari

Classic Arcade Learning Environment tasks packaged for fast benchmarking of reinforcement-learning style agents.

OpenSpiel

Multi-agent, game-theory workloads powered by DeepMind’s OpenSpiel suite, ideal for search and self-play experiments.

SUMO-RL

Traffic control scenarios with SUMO simulators for agents that reason about continuous control and scheduling.

FinRL

Financial market simulations with portfolio APIs, perfect for RLHF strategies and algorithmic trading experiments.

TextArena

Multi-task text arena for language-game competitions such as Wordle, reasoning puzzles, and program synthesis.

Git

Teaches agents to navigate repositories, inspect diffs, and land changes via Git-native operations.

DIPG Safety

Safety-critical diagnostics from the DIPG benchmark, highlighting guardrails, adversarial prompts, and risk scoring.

Snake

Classic snake game environment for RL research with configurable grids, partial observability, and customizable rewards.

Web Search

Web search environment for RL research with configurable grids, partial observability, and customizable rewards.

BrowserGym

Browser automation environment for web agents with DOM interaction, navigation, and multi-step task completion.

Want to publish your own environment? Head over to the Build Your Own Environment guide for a step-by-step walkthrough.

Community Environments

RLVE Gym

A suite of 400 environments that procedurally generate reasoning problems for LM training with configurable difficulty.