ABAB Pedia

Michael Truell

Michael Truell is an American entrepreneur and software engineer who in 2022 co-founded Anysphere, maker of the AI coding tool Cursor, with MIT classmates and became its CEO; in 2026 Cursor was acquired by SpaceXSpaceXSpaceX is a company founded by Elon Musk in 2002 whose businesses include space transportation, Starlink satellite communications and artificial intelligence. It went public in 2026 under the ticker SPCX.Open the full entry.

Contents26 sections
Key facts

Grows Up in New York and Starts Coding

He grew up in New York City and attended the Horace Mann School, a private prep school in the Bronx, and started coding at age 11 to make his own mobile games.⁠[1]

Presents the Fido Robot Control System at ISEF

In May 2016 he and Joshua Gruenstein completed a paper on Fido, a universal robot control system combining Q-learning reinforcement learning with an artificial neural network that non-experts could train within minutes; the paper is marked as an ISEF 2016 Second in Category Award winner.⁠[2]

Publishes a Paper on the Halite Competition with Benjamin Spector

In October 2017 he and Benjamin SpectorBenjamin F SpectorBenjamin F Spector is a cofounder of Flapping Airplanes and researches machine-learning systems.Open the full entry published a paper setting out design principles for the multiplayer games of online programming competitions and a framework for the competition platform, presenting the 2016–17 Halite AI programming challenge as a successful example and noting Halite II, launched that month.⁠[3]

Reports on Running Halite II on Google Cloud

In July 2018 he co-wrote, with Two Sigma staff and others, an article on Halite II running on Google Cloud: over about three months it supported about 6,000 active players from about 100 countries and about 1,000 institutions.⁠[4]

Studies at MIT and Interns at Google

He studied computer science and mathematics at MIT and has worked on statistical math research, LLM-driven recommendation systems and high-throughput drug pipelines.⁠[5]

At 18, after his first year at MIT, he took a summer internship at GoogleGoogleGoogle is an American technology company founded by Larry Page and Sergey Brin and incorporated in 1998. It became an Alphabet subsidiary in 2015. Its businesses include internet search, advertising, software platforms, cloud computing, and artificial intelligence.Open the full entry; there he met Ali Partovi, who was recruiting for the Neo Scholars program, which Truell later joined, and Partovi became one of Cursor’s first investors.⁠[1]

Publishes Research on Brownian Motion Tree Models

In December 2021 he published a paper as first author with Jan-Christian Hütter, Chandler Squires, Piotr Zwiernik and Caroline Uhler on maximum likelihood estimation for Brownian motion tree models, often used in phylogenetics, from a single sample, including a polynomial-time algorithm.⁠[6]

Co-Founds Anysphere with MIT Classmates

The four founders first tried to build AI models for computer-aided design software used by mechanical engineers; the effort failed for lack of domain expertise, and they pivoted to software engineering and built an AI code editor.⁠[8]

Releases Cursor

Anysphere released Cursor in March 2023; it was initially known for accurate code completion inside its own integrated development environment, and by that November Cursor had indexed 150,000 codebases.⁠[7]

Raises a Seed Round Led by the OpenAI Startup Fund

In October 2023 Anysphere announced $8 million in seed funding led by the OpenAI Startup FundOpenAI Startup FundThe OpenAI Startup Fund is a venture fund set up by OpenAI in May 2021 with an initial $100 million from Microsoft and other partners to invest in early-stage AI companies. It had raised about $175 million by 2023, and control passed to Ian Hathaway in March 2024.Open the full entry, with participation from former GitHub CEO Nat Friedman, Dropbox co-founder Arash Ferdowsi and other angel investors, bringing its total funding to $11 million.⁠[9]

Appears on the Lex Fridman Podcast

He appeared on episode 447 with Aman Sanger, Arvid Lunnemark and Sualeh Asif.⁠[10]

Investors Compete to Fund Anysphere

In November 2024 Benchmark, Index Ventures and existing investors Andreessen HorowitzAndreessen HorowitzAndreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. It invests from the seed stage through the growth stage and provides operational support to its portfolio companies.Open the full entry and Thrive, among others, made unsolicited offers valuing Anysphere at up to $2.5 billion; four months earlier it had raised a $60 million Series A led by Andreessen Horowitz and Thrive at a $400 million valuation.⁠[11]

Announces the Acquisition of Supermaven

He announced on Cursor’s blog the acquisition of Supermaven, the AI coding assistant founded by Jacob Jackson, saying it would help launch a new version of the Tab model; the Supermaven team would focus on Cursor while its plugins remained maintained.⁠[12]

Raises $105 Million

In January 2025 Anysphere raised $105 million in a round led by Thrive Capital with participation from Andreessen Horowitz and Benchmark, a sixfold increase in its valuation to $2.5 billion since its previous round; the company said it had $100 million in annual recurring revenue.⁠[13]

Raises $900 Million at a $9.9 Billion Valuation

Apologizes for the Pro Plan Pricing Change

On June 16, 2025, Cursor changed its $20-a-month Pro plan from 500 fast requests to $20 of usage billed at API rates, and some users complained of unexpected charges; in July he apologized in a blog post, saying “we didn’t handle this pricing rollout well,” and the company planned refunds for users charged unexpectedly.⁠[15]

Takes On the Koala Team

In July 2025 Anysphere struck a deal to acquire the AI customer relationship management startup Koala; several of Koala’s engineers joined a new Cursor team for enterprise readiness, while Koala’s own product was not integrated.⁠[16]

Launches Cursor 2.0 and the Composer Model

On October 29, 2025, Cursor released Cursor 2.0 with its first coding model, Composer, which it said was four times faster than similarly intelligent agent models; the new interface was centered on agents rather than files and let many agents run in parallel without interfering with each other.⁠[17]

Raises a $2.3 Billion Series D

In November 2025 Cursor raised $2.3 billion in a Series D at a $29.3 billion valuation, with existing investors Thrive, a16z, Accel and DST joined by newcomers CoatueCoatueCoatue is a technology- and innovation-focused investment management firm founded by Philippe Laffont in 1999, operating in both public and private markets. Its current website lists Thomas Laffont as co-founder and chief investment officer of private investments; a Form ADV filed on July 29, 2026, disclosed regulatory assets under management of $92,705,722,582.Open the full entry, Nvidia and Google. More than 300 people worked at its San Francisco headquarters, and annualized revenue exceeded $1 billion.⁠[18]

Discusses AI Coding at Fortune Brainstorm AI

In December 2025 he said Cursor had automated roughly 80% of its internal employee support tickets with AI, and noted a University of Chicago study finding that senior engineers were more effective users of AI tools.⁠[19]

That month at the Fortune Brainstorm AI conference he likened “vibe coding,” in which users do not look at the code, to adding floor after floor on shaky foundations, warning that for complex projects things “start to kind of crumble.”⁠[20]

Acquires Graphite

In December 2025 Cursor announced the acquisition of the AI code review startup Graphite; as a Neo Scholar before starting Cursor, he had already met Graphite co-founders Merrill Lutsky, Greg Foster and Tomas Reimers.⁠[21]

Partners with SpaceX and Grants It a Purchase Option

In April 2026 SpaceX announced a deal with Cursor giving it the right to acquire the company later that year for $60 billion or to pay $10 billion for their work together; he wrote on X: “Excited to partner with the SpaceX team to scale up Composer.”⁠[22]

SpaceX Signs an All-Stock Merger Agreement

On June 16, 2026, SpaceX disclosed in an SEC filing a $60 billion all-stock merger agreement with Anysphere and its subsidiary X67; Anysphere shareholders were to receive SpaceX Class A stock based on the average price over the seven trading days before closing, with completion expected in the third quarter of 2026 pending regulatory approval.⁠[23]

Cursor Becomes Part of SpaceX

On August 14, 2026, Cursor announced that SpaceX had completed its acquisition; Cursor said it would have access to the world’s largest GPU fleet, allowing it to offer customers higher-performance models at a lower cost, and called Grok 4.6, released that week, an early example of what the two could achieve together.⁠[24]

As of October 2026: Building SpaceXAI

As of October 2026, his personal website said he was building SpaceXAI to advance useful AI.⁠[5]

Related Organizations, Websites, and Public Accounts

Personal website: Public link: https://mntruell.com/ (opens in a new window)⁠[5]

Sources

  1. Cursor’s 25-year-old CEO is a former Google intern who just cemented a $60 billion deal with SpaceX (opens in a new window)
  2. A Universal Robot Control System using Reinforcement Learning with Limited Feedback (opens in a new window)
  3. The Design and Implementation of Modern Online Programming Competitions (opens in a new window)
  4. The Halite Global AI Programming Competition in Google Cloud for Google Cloud NEXT (opens in a new window)
  5. Michael Truell (opens in a new window)
  6. Maximum Likelihood Estimation for Brownian Motion Tree Models Based on One Sample (opens in a new window)
  7. Cursor’s crossroads: The rapid rise, and very uncertain future, of a $30 billion AI startup (opens in a new window)
  8. Four cofounders of popular AI coding tool Cursor are now billionaires (opens in a new window)
  9. Anysphere Raises $8M to Build Cursor, an AI-Powered IDE (opens in a new window)
  10. #447 – Cursor Team: Future of Programming with AI | Lex Fridman Podcast (opens in a new window)
  11. Benchmark, Index, others are in a wild unsolicited bidding war over Anysphere, maker of Cursor (opens in a new window)
  12. Anysphere acquires Supermaven to beef up Cursor (opens in a new window)
  13. Anysphere Raises $105M for AI Coding Assistant Cursor, Reaching $2.5B Valuation (opens in a new window)
  14. Cursor’s Anysphere nabs $9.9B valuation, soars past $500M ARR (opens in a new window)
  15. Cursor apologizes for unclear pricing changes that upset users (opens in a new window)
  16. Cursor snaps up enterprise startup Koala in challenge to GitHub Copilot (opens in a new window)
  17. Cursor 2.0 adds coding model, UI for parallel agents (opens in a new window)
  18. Cursor Raises $2.3B Bringing It to a $29.3B Valuation (opens in a new window)
  19. Cursor developed an internal AI help desk that handles 80% of its employees’ support tickets, says the $29 billion startup’s CEO (opens in a new window)
  20. Cursor CEO warns vibe coding builds ‘shaky foundations’ and eventually ‘things start to crumble’ (opens in a new window)
  21. Cursor continues acquisition spree with Graphite deal (opens in a new window)
  22. SpaceX says it can buy Cursor later this year for $60 billion or pay $10 billion for ‘our work together’ (opens in a new window)
  23. SpaceX Shares Hit New High as Elon Musk’s Firm Agrees to Acquire AI Startup Cursor for $60 Billion (opens in a new window)
  24. SpaceX officially completes acquisition of Cursor (opens in a new window)