# Ulam

Mathematical reasoning data, private evaluations, and RL gyms.

- Website: https://www.ulam.ai/
- Category: RL startup, Data seller
- Type: Math data & environments
- Capabilities: Math, Expert data, Evaluation, RL training
- Reviewed: 2026-09-09

## Overview

Ulam builds mathematical training and evaluation supply with expert input. Its offerings span reasoning datasets, proof-oriented tasks, private evaluations, and environments with verifiable outcomes.

## Products & services

- Expert mathematical data and reasoning trajectories.
- Stateful math environments and task verifiers.

## Sources & references

- [Ulam products and research](https://www.ulam.ai/)