RL.VENDORS

Market Segment

Environments & Simulations Vendors

Vendors building the RL or agent environments, simulated task worlds, and digital twins that agents train and are evaluated in — from general-purpose gyms to domain-specific simulations like robotics, coding sandboxes, or app replicas.

Focus Area
Domain
Service / Capability
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Andromede logo
AndromedeEnvironments & Simulations

RL data lab programmatically generating environments, tasks, and verifiers from real-world data for post-training and evaluation.

RL EnvironmentsTraining DataRLHF / Post-training
ARIMLABS logo
ARIMLABSEnvironments & Simulations

Builds production-fidelity RLVR environments and long-horizon benchmarks in cyber, SRE, compilation, and STEM.

CodingRL EnvironmentsRLHF / Post-training
Aviro logo
AviroEnvironments & Simulations

Builds long-horizon RL environments and post-training datasets for coding, computer use, knowledge work, and research.

Computer UseCodingEnterprise Agents
Bespoke Labs logo
Bespoke LabsEnvironments & Simulations

Applied AI research lab building reinforcement-learning environments and infrastructure, evaluation, and data-curation tooling for AI agents.

CodingRL EnvironmentsTraining Data
Chakra Labs logo
Chakra LabsEnvironments & Simulations

Builds high-fidelity RL environments, evaluations, and human computer-use trajectory datasets for frontier AI research and post-training.

Computer UseRL EnvironmentsTraining Data
Collinear AI logo
Collinear AIEnvironments & Simulations

Builds realistic simulation labs, RL environments, verifiers, benchmarks, and training data for frontier agents.

RL EnvironmentsTraining DataRLHF / Post-training
Duality AI logo
Duality AIEnvironments & Simulations

Digital-twin simulation vendor whose Falcon platform supports synthetic data generation, robotics testing, autonomy validation, and reinforcement-learning workflows.

RL EnvironmentsTraining DataRobotics / Physical AI
EdotEnv logo
EdotEnvEnvironments & Simulations

Builds multi-step RL environments from financial market data for evaluation and post-training of research agents.

RL EnvironmentsRLHF / Post-trainingEvaluations
Emulated logo
EmulatedEnvironments & Simulations

Builds RL environments that simulate production engineering systems and software-lifecycle complexity.

CodingRL EnvironmentsTraining Data
Fleet AI logo
Fleet AIEnvironments & Simulations

Applied research lab building simulated environments and real-world scenarios for training and evaluating agents.

Computer UseRL EnvironmentsEvaluations
General Reasoning logo
General ReasoningEnvironments & Simulations

Research company building open reward and RL-environment infrastructure, including OpenReward.

RL EnvironmentsRLHF / Post-trainingAgent Infrastructure
Good Start Labs logo
Good Start LabsEnvironments & Simulations

Turns games into interactive learning environments with verifiable signals for training and evaluating frontier models.

RL EnvironmentsTraining DataEvaluations
Halluminate logo
HalluminateEnvironments & Simulations

Builds computer- and tool-use RL environments, datasets, evaluations, and verifiers for economically valuable financial-services workflows.

Computer UseRL EnvironmentsTraining Data
HUD logo
HUDEnvironments & Simulations

Platform for building, running, and evaluating reinforcement-learning environments and agent tasks.

Computer UseRL EnvironmentsAgent Infrastructure
Huzzle Labs logo
Huzzle LabsEnvironments & Simulations

Builds reinforcement-learning environments, computer-use models, and evaluation tooling for enterprise AI deployment.

Computer UseCodingEnterprise Agents
Incalmo logo
IncalmoEnvironments & Simulations

Builds high-fidelity, difficult, verifiable RL environments for autonomous cybersecurity capabilities.

RL EnvironmentsAI Safety / Red TeamingCybersecurity
Mechanize logo
MechanizeEnvironments & Simulations

Software company building reinforcement learning environments and software engineering evaluations for frontier coding agents.

CodingRL EnvironmentsEvaluations
Metaphi AI logo
Metaphi AIEnvironments & Simulations

Builds RL environments, agent evaluations, datasets, and long-horizon enterprise benchmarks.

CodingRL EnvironmentsTraining Data
NO
Northstar RL LabsEnvironments & Simulations

Managed reinforcement-learning evaluation environments for testing tool-using agents across reproducible task suites.

Ooak Data logo
Ooak DataEnvironments & Simulations

Turns real enterprise data into anonymized digital twins and expert-level RL environments for agents.

Enterprise AgentsRL EnvironmentsTraining Data
Patronus AI logo
Patronus AIEnvironments & Simulations

Builds simulation and evaluation infrastructure for training and testing AI agents, including Digital World Models, generative RL environments, benchmarks, and agentic supervision tools.

RL EnvironmentsTraining DataRLHF / Post-training
pre.dev logo
pre.devEnvironments & Simulations

Builds long-horizon coding RL environments from licensed private production repositories for frontier-model post-training.

CodingRL EnvironmentsTraining Data
Preference Model logo
Preference ModelEnvironments & Simulations

AI research-engineering company building high-quality RL training environments and reward functions for real-world machine-learning research tasks.

RL EnvironmentsRLHF / Post-trainingEvaluations
Refresh logo
RefreshEnvironments & Simulations

Builds RL environments, evaluations, and verifiable training data for coding and computer-use agents, including software-world simulations, Terminal-Bench-style tasks, and long-horizon tool gyms.

Computer UseCodingRL Environments
Veris AI logo
Veris AIEnvironments & Simulations

Simulation infrastructure that recreates production users, systems, APIs, and data for agent evaluation, benchmarking, RL, and SFT.

RL EnvironmentsRLHF / Post-trainingAgent Infrastructure
Vmax logo
VmaxEnvironments & Simulations

Reinforcement-learning company building self-play task generation and environment infrastructure that turns proprietary data and evaluations into new training environments.

RL EnvironmentsRLHF / Post-trainingEvaluations

About Environments & Simulations

Environments & Simulations vendors build the task worlds, simulations, and digital twins that agents train and are evaluated in — general-purpose RL gyms, robotics and autonomy simulators, coding and computer-use sandboxes, and app or workflow replicas that stand in for a real environment.

This differs from RL Infrastructure, which provides the underlying compute and execution systems rather than the environment content itself, and from Training Platforms, which use environments as one input to a broader training workflow rather than building them directly.