Top RL EnvironmentsAn independent guide to RL environment vendors

Compare vendors / Vmax

Vmax

Generates new environments automatically from your data and evals

Platform or hubCoding and SWETool use

Vmax sells Campaign, a self-play task-generation product that turns a customer’s data and evals into new sets of environments that can be downloaded. Its research includes PROPEL, procedurally generated unix-ctf environments and GlyphBench (360+ game tasks). The founders hold RL PhDs, and South Park Commons and Race Capital are listed as backers.

Best for: Teams that want to expand an existing eval set into many more environments

Funding not disclosed

  • ✓ Bespoke builds
  • ✓ Platform or hub
  • – Open source
  • – Publishes prices
Visit Vmax

Facts checked November 9, 2026 against the sources listed below. Vmax does not pay to appear here.

1 Legal nameVmax
2 HeadquartersSan Francisco, CA
3 Founded2025
4 TeamAbout 11
5 DeliveryPlatform or hub, Bespoke builds
6 ExclusivityNot disclosed
7 Customers and partnersNot disclosed
8 Published pricesNot disclosed

Worth knowing before you sign

  • Campaign is waitlist-only
  • No named paying customers
  • Funding undisclosed; no code linked from its papers

Go to Vmax's site

Sources

  1. Vmax homepage
  2. South Park Commons profile
  3. Martian: ARES collaboration
  4. PROPEL paper (arXiv)
  5. unix-ctf paper (arXiv)
  6. rl-list profile
  7. pavlovslist directory

Work at Vmax? Send corrections with a source to editors@toprlenvironments.com. We fix verified errors within five business days.

Compare with

  • Prime Intellect Runs the Environments Hub, open-source RL tooling and hosted RL training
  • HUD Platform and marketplace for building, buying and running RL environments
  • General Reasoning Hosts RL environments as API endpoints through OpenReward
  • Veris AI Simulated copies of a company’s systems for testing and training enterprise agents
  • Chakra Labs Expert-authored tasks and cloned enterprise apps for training and red-teaming