micro1 S Verified

RL environment company · Multi-Domain

Domains
Multi-Domain Enterprise Workflows
On X
@micro1_ai ↗
Funding
$35M raised · rounds and investors
Tier
S why
Snapshot

Open environment ↗micro1.ai

What micro1 does

micro1 sells expert human data, RL environments (Realm), contextual agent evaluations (Cortex) and real-world robotics data to AI labs and enterprises.

Leads with
Several domains (a generalist)
Based in
San Francisco, USA
Team
101-250

What micro1 sells

Read from micro1's own website, checked October 12, 2026: the line that puts it in each category.

RL environments

  • RL environments

    “RL environments that mirror real-world scenarios to generate world-class human data for agentic actions and elevate model reasoning”
    micro1.ai/ ↗

  • Evals

    “The contextual evaluation platform for improving AI agent performance in production”
    micro1.ai/ ↗

Data

  • Human data

    “We're building the infrastructure for advancing intelligence through expert human data, real-world training environments, and contextual evaluations”
    micro1.ai/ ↗

  • Datasets expanding into

    “High-fidelity real-world robotics data to train the next generation of embodied systems”
    micro1.ai/ ↗

Domains micro1 covers

Benchmarks micro1 built or runs

micro1 competitors and alternatives

The companies that sell the most of the same things in the same domains, and what they share with micro1.

Every RL environment company on the landscape map →

Tier S

S

Category leader: 200+ people, $100M+ raised or a $1B+ valuation.

How much stands behind a tier: usage, who backs it, a confirmed line from its own site or paper, and a clear read on X. High with three of the four, medium with two, low otherwise.

  • team 51-200
  • raised $138M
  • valued $4B
  • investors: 01 Advisors, Two unnamed frontier AI labs, Two unnamed xAI co-founders
  • in curated RL directories (5 pts)

On X · unclear, low buzz, from 13 posts about micro1 in the last month

Small discussion of micro1's surgical robotics sim benchmark, where models rarely succeeded and often falsely claimed success; otherwise mostly generic replies and a competition promo.

@ariansadeg ↗ · @somi_ai ↗ · @jatingargiitk ↗

How we got to tier S
  1. Adoption: team 51-200; raised $138M; valued $4B; investors: 01 Advisors, Two unnamed frontier AI labs, Two unnamed xAI co-founders. Tier S.
  2. On X: unclear, low buzz. “Small discussion of micro1's surgical robotics sim benchmark, where models rarely succeeded and often falsely claimed success; otherwise mostly generic replies and a competition promo.” No move.
  3. In curated RL directories: 5 points, a floor of C.
  4. Confirmed: a line from its own site or paper places it.

A clear view on X moves a tier one step up or down; most entries don't move. How tiers work.

micro1 funding

Raised
$35Msum of the rounds below
Latest round
Series A $35M2025-09 · led by 01 Advisors
Valuation
$500M2025-09

Backed by01 Advisors

Rounds

  • Series A · $35M at a $500M valuation · 2025-09 · led by 01 Advisors
    has raised a $35 million Series A funding round that values the company at $500 million. The round was led by 01 Advisors
    1. Read: “has raised a $35 million Series A funding round that values the company at $500 million. The round was led by 01 Advisors”
    2. Found word for word on a page found by search: techcrunch.com/2025/09/12/micro1-a-competitor-to-scale-ai-raises-funds-at-500m-valuation
    3. The quote states the amount and who led it
    4. Also named by 4 other pages read
    techcrunch.com/2025/09/12/micro1-a-competitor-to-scale-ai-raises-funds…

In talks, not closed

  • Funding round · $100M at a $4B valuation · 2026-09 in talks
    has raised a fresh funding round of more than $100 million at a valuation of $4 billion, according to two people familiar with the deal.
    1. Read: “has raised a fresh funding round of more than $100 million at a valuation of $4 billion, according to two people familiar with the deal.”
    2. Found word for word on a page found by search: forbes.com/sites/annatong/2026/09/22/this-25-year-old-raised-over-100-million-for-his-ai-data-startup-at-a-4-billion-valuation
    3. The quote states the amount; no lead is named in it
    4. Also named by 2 other pages read
    forbes.com/sites/annatong/2026/09/22/this-25-year-old-raised-over-100-…

Funds 2

  • 01 Advisors led a round
    The round was led by 01 Advisors, a venture capital firm co-founded by Dick Costolo and Adam Bain, the former CEO and COO of Twitter.
    1. Read: “The round was led by 01 Advisors, a venture capital firm co-founded by Dick Costolo and Adam Bain, the former CEO and COO of Twitter.”
    2. Found word for word on a page found by search: techcrunch.com/2025/09/12/micro1-a-competitor-to-scale-ai-raises-funds-at-500m-valuation
    3. Also named by a curated directory
    techcrunch.com/2025/09/12/micro1-a-competitor-to-scale-ai-raises-funds…
1 more, low confidence
  • Antler Elevate
    Antler Elevate, Antler's growth-stage investment vehicle, has participated in micro1's USD $35 million Series A led by 01A.
    1. Read: “Antler Elevate, Antler's growth-stage investment vehicle, has participated in micro1's USD $35 million Series A led by 01A.”
    2. Found word for word on a page found by search: antler.co/press-releases/antler-elevate-backs-micro1-the-ai-platform-for-human-intelligence-in-its-usd-35-million-series-a-led-by-01a
    3. No other page or directory names it yet
    antler.co/press-releases/antler-elevate-backs-micro1-the-ai-platform-f…

Corporate investors 1

1 more, low confidence
  • LG Technology Ventures
    venture capital firms 01A and LG Technology Ventures will invest in the round, the sources said.
    1. Read: “venture capital firms 01A and LG Technology Ventures will invest in the round, the sources said.”
    2. Found word for word on a page found by search: reuters.com/business/scale-ai-competitor-micro1-raising-funds-500-million-valuation-sources-say-2025-07-28
    3. No other page or directory names it yet
    reuters.com/business/scale-ai-competitor-micro1-raising-funds-500-mill…

Every figure is quoted from its own site, its accelerator or a funding announcement; a round's amount and lead appear only when its quote states them. Startup databases are never used as evidence. Checked 2026-10-11. How funding is checked.

Training methods

Methods micro1 uses, offers or builds for, with public evidence: its own website says so, or two independent sites do.

  • RLHF Reinforcement Learning from Human Feedback On its own website

    “Most of this work falls under Reinforcement Learning from Human Feedback (RLHF) — where experts review AI outputs, rank responses, and flag errors. You're not building AI. You're setting the standard it learns from.”

    micro1.ai

    “After rapidly hiring these 32 professionals we immediately hit the ground running using the proprietary micro1 human data platform. Because they were already vetted by our AI recruiter, which includes an RLHF exercise assessment, all of our newly onboarded team members were already familiar with the platform and started working within 72 hours of receiving the project requirements.”

    micro1.ai

Where micro1 sits

Its domain on the map, live. Hover a logo for its name; click to open it. Open it on the full map

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Latest from micro1 on X

@micro1_ai ↗

More Multi-Domain RL environments

Multi-Domain AI benchmarks

Next: browse all environments. Entry from the RL Research daily scrape of public sources, 2026-11-05 snapshot.