Letter Counting Environment

A comprehensive environment for teaching language models to generate responses in specific structured formats.

A comprehensive environment for training language models to solve coding problems through **code generation and execution**.

Aligned text-and-3D embodied environment - agents learn household tasks (pick & place, heat, cool, clean) as both TextWorld games and visually-rendered ALFRED scenes.

Toy multi-turn environment where the model must maintain and update an alphabetically sorted list of names across turns; the canonical "hello world" RL env on the Prime Intellect Hub.