Micro1 logo
AI/ML
Data/Analytics

Micro1

AI solutions for model training and evaluation

CORE INFO

$41.6M
Total Funding
Series A
Round
2022
Founded
51-200
Team Size
San Francisco Bay Area, California, United States
Headquarters

Micro1 specializes in AI solutions that enhance model training and evaluation by leveraging expert human data and real-world environments. Their products are designed for AI labs and enterprises looking to improve AI agent performance and train advanced robotics systems.

  • Series A funding round raised $35 million in September 2025, led by 01 Advisors, valuing Micro1 at $500 million.techcrunch.com
  • Annual recurring revenue (ARR) surpassed $100 million by December 2025, marking significant growth from $7 million at the start of the year.techcrunch.com
  • TechCrunch highlighted Micro1's rapid revenue growth and competitive positioning in the AI data services market.techcrunch.com

WHY WE WOULD WORK AT MICRO1

Innovative AI Solutions

Join a team pioneering AI solutions like Realm and Cortex, enhancing model training and evaluation with real-world scenarios.

Collaborative Culture

Work alongside experts from leading AI labs, including Microsoft, fostering a collaborative environment that drives innovation.

Competitive Compensation

Benefit from a strong funding background with $41.6 million raised, ensuring competitive salaries and growth opportunities.

Rapid Growth Potential

Be part of a company that scaled from $4 million to over $200 million in revenue in just one year, reflecting immense growth potential.

Cutting-Edge Technology

Engage with advanced technologies in AI-driven human data operations, shaping the future of AI model training and evaluation.

Impactful Work

Contribute to significant projects that enhance AI capabilities for Fortune 100 companies, making a real-world impact in the industry.

MARKET AND TRACTION

KEY METRICS

✦ KEY METRIC
  • Total funding raised: approximately $41.6 million.

  • Recent Series A funding round: $35 million, announced in September 2025, valuing the company at $500 million.

  • Surpassed $100 million in annual recurring revenue (ARR) by December 2025, a significant increase from approximately $7 million at the start of the year.
  • GROWTH TACTICS

  • Collaborates with leading AI labs, including Microsoft, to enhance large language models through post-training and reinforcement learning.

  • Focuses on delivering high-fidelity, expert-demonstrated data for training advanced robotics systems, which is crucial for attracting enterprise clients.

  • Utilizes a business model centered on supplying AI labs and enterprises with infrastructure for advancing intelligence through expert human data and real-world training environments.
  • NOTABLE CUSTOMERS

  • Collaborates with Fortune 100 companies to improve AI model performance in production settings.

  • Engages with various AI laboratories to provide reinforcement learning environments and contextual evaluations, enhancing their AI capabilities.
  • MARKET POSITION

  • Positioned as a competitor to Scale AI, focusing on AI data services and model training solutions.

  • Rapidly scaled revenue from approximately $4 million to over $200 million in annual revenue within a year, indicating strong market demand and growth potential.
  • SERVICES

  • Offers 'Realm', a product providing reinforcement learning environments that replicate real-world scenarios to generate high-quality human data.

  • Provides 'Cortex', a contextual evaluation platform aimed at improving AI agent performance in production settings, enhancing overall AI effectiveness.
  • PRODUCT AND TECH

    Reinforcement Learning Environments

    Realm provides reinforcement learning environments that accurately replicate real-world scenarios, enabling the generation of high-quality human data to enhance AI model reasoning.

    Contextual Evaluation Platform

    Cortex is a contextual evaluation platform designed to improve the performance of AI agents in production settings, ensuring that models operate effectively in real-world applications.

    Expert-Demonstrated Data

    Micro1 delivers high-fidelity, expert-demonstrated data specifically tailored for training advanced robotics systems, which is crucial for developing reliable and efficient robotic applications.

    AI-Driven Human Data Operations

    Micro1 specializes in AI-driven human data operations, offering services such as expert sourcing and data structuring to enhance the training and evaluation of AI models.

    Collaborative AI Development

    Micro1 collaborates with leading AI labs and Fortune 100 companies to enhance large language models through innovative post-training and reinforcement learning techniques.

    COMPANY CULTURE

    Values

  • Innovation is at the core of our mission

  • Commitment to enhancing human intelligence through AI

  • Collaboration with leading AI labs and Fortune 100 companies

  • Integrity in data sourcing and model evaluation

  • Passion for continuous improvement and excellence
  • Operating Principles

  • Embrace a culture of experimentation and learning

  • Foster open communication and transparency

  • Prioritize ethical AI practices in all operations

  • Encourage diversity and inclusion within the team

  • Focus on delivering high-quality, expert-driven solutions
  • Benefits

  • Competitive salary and equity options

  • Opportunities for professional development and training

  • Flexible work arrangements to support work-life balance

  • Access to cutting-edge AI tools and technologies

  • Collaborative and supportive team environment
  • Learning & Growth

  • Regular workshops and training sessions on AI advancements

  • Mentorship programs for career development

  • Encouragement of cross-functional collaboration for skill enhancement

  • Access to industry conferences and networking opportunities

  • Continuous feedback culture to promote personal growth
  • Team Cadence

  • Agile work environment with iterative project cycles

  • Regular team meetings to align on goals and progress

  • Bi-weekly check-ins to discuss challenges and successes

  • Open-door policy for feedback and suggestions

  • Celebrations of team milestones and achievements
  • HIRING SIGNAL

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    90-Day VelocityV2 · BACKFILL
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    KEY COMPANY ANNOUNCEMENTS

    Filter
    13 announcements · ranked by importance
    Sep 12, 2025FUNDINGMicro1, a competitor to Scale AI, raises funds at $500M valuation | TechCrunchtechcrunch.com
    Aug 20, 2026MILESTONEAI data startup Micro1 reaches $500M gross run rate amid AI training boom | TechCrunchtechcrunch.com
    Feb 7, 2026FOUNDER PROFILEHow L.A. garage sales launched AI's latest 20-something billionaire - Los Angeles Timeslatimes.com
    Nov 2, 2025PRESSInside the race to train AI robots how to act human in the real world - Los Angeles Timeslatimes.com
    Jun 24, 2026ESSAYThe Human Data Engine Training Smarter AI Models | micro1 forummicro1.ai
    Oct 16, 2025INTERVIEWmicro1 founder Ali Ansari on AI and human intelligencestanforddaily.com
    Oct 19, 2023FUNDINGAI recruiting platform, micro1, Led by Ali Ansari, hits a $30M valuation with a $3.3M investmentglobenewswire.com
    Jan 1, 2023FUNDINGExcited to announce micro1’s $2M pre-seed round of funding. We use AI to source & vet the best engineering talent globally & match them with top companies within 24h. Thanks to Jason Calacanis… | Ali Ansari | 70 commentslinkedin.com
    Jan 1, 2023INTERVIEWEp 47: Hiring Top 1% of Developer Talent At Half The Costvarisource.com
    Jan 1, 2026CUSTOMER WINWe helped a frontier AI lab hire 60 competitive programmers in three weeks | micro1micro1.ai
    Jan 1, 2025EXEC HIREHonored to welcome Adam Bain, former COO of Twitter, to micro1’s board of directors. Adam has already played a pivotal role in helping us earn the trust of multiple Fortune 500 companies. The… | Ali Ansari | 81 commentslinkedin.com
    Sep 1, 2023ESSAYI've decided to start building in public... micro1 is currently at $365k/month in revenue (~80% of which is recurring) and profitable. how did we get here? I started a software development agency… | Ali Ansari | 28 commentslinkedin.com
    Apr 16, 2024PRESSThe first ever AI interviewermicro1.ai