Chris's RL Envs

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Chris Barber's picks68 companiesSource

RL envs and data.

  1. Handshake

    A career network connecting people with opportunity in the AI economy.

  2. Scale

    Reliable AI for critical decisions, from frontier training data to deployed systems.

  3. Surge AI

    Human intelligence for training and evaluating AI.

  4. Snorkel AI

    Expert data development for frontier AI

    • AR
  5. Pareto

    Human data improves models, models lift people. Pareto advances the signal that keeps the loop turning.

  6. Mercor

    Human expertise for frontier AI, from model training and evaluation to useful work.

  7. Turing

    Expert data, evaluations, RL environments, and engineering for frontier and enterprise AI.

  8. Micro1

    Data lab to train frontier models and evaluate agents

  9. AfterQuery

    AI training data built from how experts reason, decide, and work.

  10. LatchBio

    A modern data, compute, and AI agent platform for biotech R&D.

  11. Patronus AI

    Patronus AI develops simulation research and infrastructure to accelerate progress toward human-aligned AGI

  12. Datacurve

    Research and data infrastructure for training, evaluating, and advancing frontier AI models on long-horizon expert work.

  13. Halluminate

    RL environments that train frontier AI models on real financial services work.

  14. Mechanize

    Mechanize builds RL environments and sells them to leading AI labs.

  15. Proximal

    Proximal is a research lab for coding data. We build the data engine behind the next generation of autonomous coding agents.

  16. Aptura

    Reliable AI for regulated industries

  17. Bespoke Labs

    Bespoke Labs optimizes AI agents using cutting-edge research on data curation and evolutionary algorithms.

  18. Collinear

    High-signal training data & RL environments for AI teams. Deploy fail-safe agents with real-world simulations.

  19. Quesma

    Connect Claude Code, Codex and Cursor session costs to engineering work and outcomes. Find wasted tokens, repeated failures and practices to

  20. ReasonCore

    ReasonCore AI bridges the data economy and the AI economy — connecting data suppliers with frontier AI labs, neolabs, and enterprises deploy

  21. Abundant

    Environments and datasets for reinforcement learning.

  22. Aviro

    Aviro designs challenging worlds for AI models to explore and solve problems, delivered as post-training datasets and reinforcement learning

  23. BenchFlow

    Environments are the new data. BenchFlow ships SkillsBench, ClawsBench, PostTrain, and the runtime.

  24. Cua

  25. EdotEnv

    EdotEnv builds RL environments from financial market data for self-improving intelligence.

  26. Emulated

    Post-training datasets and reinforcement-learning environments for software engineering and AI R&D, built by a team of researchers and engin

  27. General Reasoning

    A London research lab building the infrastructure for AI that reasons, plans, and acts together over long horizons.

  28. Markov

    Data and environments for training computer-use AI.

  29. Metaphi

    Our goal at Metaphi AI is to advance systems that expand our collective intelligence, so more people can aim bigger and invent more.

  30. Normal

    Applied AI research for hardware design across the manufactured world.

  31. pre.dev

  32. Refresh

    Refresh builds simulation engines for coding and computer use, for frontier labs to train the next generation of virtual software engineerin

  33. Tacit Labs

    Applied research at the intersection of AI and the life sciences.

  34. Ulam

    Research-Grade Data + Private Evals for Frontier AI

  35. Vmax

    Vmax is automating reinforcement learning by transforming proprietary data and evaluations into new environments.

  36. Uber

    Rides, delivery, and freight connecting people and goods through one global platform.

  37. Originator

    Powering Computer Use

  38. Fleet

    Fleet - AI-powered workflows

  39. Parsewave

    Custom datasets, traces, expert evaluations and more for frontier AI models.

  40. Wirestock

    Powers AI labs with premium data from a global network of creators.

  41. Deeptune

    Training gyms where frontier AI learns useful digital work.

  42. Huzzle Labs

    An applied AI lab building long-horizon RL environments for frontier AI labs, plus the evaluations and custom models that put AI to work ins

  43. Verita AI

  44. ARIMLABS

    ARIMLABS builds RLVR environments, benchmarks, and loss-of-control scenarios for security and reliability agents.

  45. Chakra

  46. d_model

    Steerable and explainable AI

  47. HUD

  48. idler

    Push the frontier of your model

  49. Incalmo

    The next generation of autonomous cybersecurity

  50. Preference Model

    Preference Model is building the next generation of training data to power the future of AI.

  51. Symbal

    Train world-leading AI models and deploy them at enterprise scale. Symbal powers frontier labs and enterprises in real workflows.

  52. Taste Labs

    We're giving AI models and agents taste | Join our mission to end AI slop.

  53. Align AI

    Align AI builds the verification layer for AI agents — collecting ground truth from encoded laws, enterprise knowledge, and expert judgment.

  54. Andromede

    Andromede is an RL data lab generating environments, tasks, and verifiers from real-world data for post-training and evaluation of frontier

  55. Anthromind

    High-quality human data to evaluate, supervise and align AI systems.

  56. Diffuse Labs

    Diffuse Labs. San Francisco, CA.

  57. Dissei

    Teaching models financial judgment with training data, evaluations and environments grounded in real financial work.

  58. Exabite

    Pre-training and post-training data for frontier AI labs, delivered at petabyte and exabyte scale.

  59. Good Start Labs

    Simulations that measure and improve your models' key capabilities: Long-horizon reasoning, tool use, enterprise functionality, and more.

  60. Hillclimb

    Training data for recursive self-improvement

  61. Ooak Data

    We build the datasets, evaluation environments, and data pipelines that move AI agents from controlled demos to real-world production.

  62. Phinity Labs

    Prompt to silicon: agents that go from workload to GDS in weeks.

  63. Plato

    Simulated worlds for training and evaluating browser agents.

  64. Rise Data Labs

    We power training, evaluation, and next-gen generative AI with elite US-based, context-aware human trainers paired with automation that sca​

  65. Theta

    Theta: Specialized AI for Every Job

  66. Trajectory Labs

    Trajectory Labs, PBC provides AI safety evaluations, red teaming, and RL environments to frontier labs.

  67. Vetto AI

    Vetto designs learning experiences, feedback systems, and evaluations that directly improve real-world model capability for frontier AI labs

  68. Sepal AI

    Historical: AI training data, model evaluations, and reinforcement-learning environments; acquired by Mercor in 2026.

Packy's Top Companies@packym · 36 companies
John's Paraform Talent Density Index@0xjohnkim+47Zach's Cool Roles at Top Consumer Companies@zachtdavidson+27Milan's Products I use daily@milstan+2Milan's Most likely to derive meaningful insight about life by journaling@milstanMilan's Most likely to inpsire a change in the world@milstan+1Antone's All Things in Moderation (Trust & Safety)@techlexica+2Dan's Best GTM teams@dangaronData-Driven Insights in Venture@sidelettercoOlivia's Top 50 Consumer AI Apps — 7th Edition@omooretweets+47Olivia's Top 50 Gen AI Consumer Mobile Apps — 7th Edition@omooretweets+47Olivia's Top 50 Gen AI Consumer Web Products — 7th Edition@omooretweets+47Olivia's Companies Behind the Top 50 Gen AI Consumer Web Products — 7th Edition@omooretweets+36Olivia's Companies Behind the Top 50 Gen AI Consumer Mobile Apps — 7th Edition@omooretweets+29Suraj's 20 Companies Hiring@suraj_sharma14+17John's Top Neuratech Startups@johnzettler+2Antone's Product leaders@techlexica+6Chris's Home Screen October 2026@chrisfralic+8Chris's Consumer AI Winners in 2027@chrisfralic+1Chris's RL Envs@chrisbarber+65Sharath's Cracked builders in SF@5harath

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