What Micro1 does
micro1 describes itself as a data lab that trains frontier AI models and evaluates agents.[1] The company says it partners with AI labs and enterprises to vet human experts and turn their expertise into AI training data.[2] Its products include Realm (evaluations and reinforcement learning environments for AI labs), Cortex (an evaluation platform for AI agents in production) and Robotics (expert-demonstrated data for robotics labs), according to its website.[2] micro1 began as an AI recruiting startup, as reported by TechCrunch, and uses an AI recruiter called Zara to interview and vet the contractors it calls experts.[3],[4]
Business model and customers
micro1 says it surpassed $1 billion in annual run rate in October 2026 while remaining profitable.[1] TechCrunch reported in Aug 2026 that micro1's gross annual run rate grew from $100 million to $500 million in eight months, citing a person familiar with the company.[3] Because micro1 pays contract experts, it keeps roughly 60% to 70% of gross run rate, putting its net run rate at $150 million to $200 million as of Aug 2026, according to TechCrunch.[3] CEO Ali Ansari told TechCrunch in Sep 2025 that micro1 had been "working with leading AI labs, including Microsoft, as well as several Fortune 100 companies."[4] micro1 says it has a fully remote core team of about 180 people across more than 14 countries (Oct 2026).[1]
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Key Metrics
Valuation
$4B
Recent changes
- Sep 22, 2026Sep 22, 2026Raised Undisclosed Series B at a $4B valuation micro1 (company release via EIN Presswire / Detroit Free Press)
- Sep 22, 2026Sep 22, 2026First reported valuation: $4B micro1 (company release via EIN Presswire / Detroit Free Press)
- Sep 22, 2026Sep 22, 2026New investor: Microsoft micro1 (company release via EIN Presswire / Detroit Free Press)
- Sep 22, 2026Sep 22, 2026New investor: G Squared micro1 (company release via EIN Presswire / Detroit Free Press)
- Sep 22, 2026Sep 22, 2026New investor: UP Partners micro1 (company release via EIN Presswire / Detroit Free Press)
Earlier changes (3)
- Sep 22, 2026Sep 22, 2026New investor: Javelin Venture micro1 (company release via EIN Presswire / Detroit Free Press)
- Sep 22, 2026Sep 22, 2026New investor: Flybridge Capital Partners micro1 (company release via EIN Presswire / Detroit Free Press)
- Sep 22, 2026Sep 22, 2026New investor: LG micro1 (company release via EIN Presswire / Detroit Free Press)
Funding History
1 event · sources dated per row| Date | Event | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| Sep 22, 2026 | Series B | Undisclosed | $4B | MicrosoftunverifiedJavelin VentureunverifiedFlybridge Capital PartnersunverifiedG SquaredunverifiedUP PartnersunverifiedLGunverifiedDream Ventures | micro1 (company release via EIN Presswire / Detroit Free Press) |
How Micro1 has been funded
In Sep 2025 micro1 raised a $35 million Series A at a $500 million valuation, led by 01 Advisors, as reported by TechCrunch.[4] 01 Advisors co-founder Adam Bain and Joshua Browder joined micro1's board as part of the Series A, according to TechCrunch.[4] On Oct 12, 2026, micro1 said it had priced its Series B at a $4 billion valuation, alongside a tender offer of about $25 million for early employees; the release did not state the round size.[1] Dream Ventures led the micro1 Series B, with participation from Microsoft, Javelin, Flybridge, G Squared, Up Partners and LG.[1]
Investors and their roles
- Dream Ventures (led the Series B, Oct 2026)[1]
- Microsoft (participated in the Series B, Oct 2026)[1]
- Javelin (participated in the Series B, Oct 2026)[1]
- Flybridge (participated in the Series B, Oct 2026)[1]
- G Squared (participated in the Series B, Oct 2026)[1]
- Up Partners (participated in the Series B, Oct 2026)[1]
- LG (participated in the Series B, Oct 2026)[1]
- 01 Advisors (led the Series A, Sep 2025)[4]
Investors
Latest Pulse
- Oct 7, 2026Mecka AI Raises $60M Series B to Scale Robot Training DataMecka AI raised a $60 million Series B led by Sequoia Capital, with Nvidia and Microsoft's M12 joining, to scale its human-motion data business for training humanoid and industrial robots.→
- Aug 20, 2026AI Data Startup Micro1 Hits $500M Run RateMicro1, a startup supplying human-generated training data and evaluation work for AI labs, reached a $500M gross annualized run rate as demand for high-quality training data keeps climbing alongside frontier model spending.→
Coverage Timeline
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Related Companies
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Micro1 FAQ
How much has micro1 raised?
micro1 raised a $35 million Series A in Sep 2025, as reported by TechCrunch.[4] Its Series B, announced Oct 12, 2026 at a $4 billion valuation, did not have a disclosed amount in the company's release.[1]
What is micro1's valuation?
micro1 said on Oct 12, 2026 that it priced its Series B at a $4 billion valuation, up from the $500 million valuation of its Sep 2025 Series A.[1],[4]
Who invested in micro1?
Dream Ventures led micro1's Series B with Microsoft, Javelin, Flybridge, G Squared, Up Partners and LG participating, and 01 Advisors led its Sep 2025 Series A.[1],[4]
Is micro1 public?
micro1 priced a private Series B led by Dream Ventures in Oct 2026, so it is privately held as of that date.[1]
References
researched 2026-10-19Sources & methodologyshow
Where these figures come from
- micro1 (company release via EIN Presswire / Detroit Free Press)research database2 facts
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.