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Bespoke Labs

SF Bay Area, US · Founded 2024 · 69 employees on LinkedIn · 4 known investors

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Bespoke Labs develops AI research infrastructure and reinforcement learning environments for building reliable autonomous agents. The company works with frontier AI labs and enterprises to transition agents from proof-of-concept systems to production-ready coworkers.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise Software

Founders & leadership

Bespoke Labs was founded in 2024 by Mahesh Sathiamoorthy and Alex Dimakis.

MSMahesh Sathiamoorthy
Mahesh SathiamoorthyCo-Founder & CEOHe spent nearly a decade at Google, working as a software engineer from 2014 and later as a staff software engineer at Google DeepMind from 2020 to 2023. He completed his PhD at the University of Southern California and interned at Turn and Symantec Research Labs.
ADAlex Dimakis
Alex DimakisFounderHe is a professor at the University of California, Berkeley, having previously taught at the University of Texas at Austin from 2013 to 2025 and at the University of Southern California from 2009 to 2013. He held a postdoctoral position at Caltech and works on data curation for post-training.
PP
Priyank PatelNamed on SEC filing
MS
Maheswaran SathiamoorthyNamed on SEC filing
GA
Georgios Alex DimakisNamed on SEC filing
BG
Bhaskar GhoshNamed on SEC filing

Investors · 4

Mayfield Fundlisted by Mayfield FundMenlo Park · $500K – $12M

How we know: Mayfield Fund's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us

Winglisted by WingPalo Alto · $200K – $20M

How we know: Wing's portfolio page · a partner's Signal profile · open dataset · 5k.vc investor directory · Not right? Tell us

Also in the syndicate · 1

Wing VClead

Funding

SEC filings, press & company announcements

$87.2M disclosed across 3 of 4 rounds · 2024–2026

  • Undisclosed amountSeed And Series AJul 2026

    8VC (lead), Wing VC (lead)

    Source ↗
  • $40MraisedJul 2026 · 8 sources
    Source ↗
  • $40MSeries AJul 2026 · 3 sources

    Wing VC (lead)

    Source ↗
▶$7.2MraisedJun 2024 · 2 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Priyank PatelDirector
  • Maheswaran SathiamoorthyExecutive Officer, Director
  • Georgios Alex DimakisExecutive Officer, Director
  • Bhaskar GhoshDirector
Offering amount
$8.3M
Amount sold
$7.2M
First sale
May 2024
Incorporated
Corporation, Delaware, 2024
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

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OpenAIOpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.

Companies working in the same space as Bespoke Labs.

In the news

Bespoke Labs raises $40M for AI agent training environments - RuntimeWireruntimewire.com · Jul 2026Bespoke Labs Raises $40M Series A for AI Agent Environments - TAMradar Funding Rounds Signalstamradar.com · Jul 2026Bespoke Labs Raises $40M Series Athesaasnews.com · Jul 2026Backed by Anthropic, OpenAI, and Meta insiders, Bespoke Labs raises $40M: can better environments beat bigger models? — TFNtechfundingnews.com · Jul 2026Bespoke Labs Raises $40M in Fundingfinsmes.com · Jul 2026AI post-training startup Bespoke Labs raises $40M in funding - SiliconANGLEsiliconangle.com · Jul 2026

Frequently asked questions

What does Bespoke Labs do?
Bespoke Labs develops AI research infrastructure and reinforcement learning environments for building reliable autonomous agents. The company works with frontier AI labs and enterprises to transition agents from proof-of-concept systems to production-ready coworkers.
Who founded Bespoke Labs?
Bespoke Labs was founded by Mahesh Sathiamoorthy, Alex Dimakis in 2024.
Who are Bespoke Labs's investors?
Bespoke Labs's investors include 8VC, Mayfield Fund, Wing.
How much funding has Bespoke Labs raised?
Bespoke Labs has disclosed $87.2M raised across 3 of its 4 known rounds.
Where is Bespoke Labs headquartered?
Bespoke Labs is headquartered in SF Bay Area, US.