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Switch, Mafia Paypal: There is a new technology mobster at Silicon Valley. As the start after Chatgpt, Openai is probably the biggest player of him in the city. Its meteoric erection In a $ 300 billion rating has encouraged many employees to leave the giant to create their beginnings.
Hype about Openai is so high that some of these startups, such as the safe supervision of Ilya Sutskyr and the Laboratory of Mira Murati Machinery, have been able to collect billions of dollars without even starting a product.
But there are many other startups at the Mafia Openai ecosystem. These range from the grief of the search giant to it to Xai, New owner of X (once twitter.) There are also smaller clothing with some futuristic plans, such as living carbon, which is creating plants that absorb more carbon from the atmosphere, or prosperous robotics, which is building a robot butler.
Below is a summary of the most visible beginnings founded by Alumni Openai.
Brothers and sisters Dario and Daniela Amodei left Openai in 2021 to form their start, anthropic based in San Francisco, which has time protected a focus on the safety of him. Later, Openai John Schulman co -founder Joined anthropic in 2024pledging to build a “safe agi”. Openai is reported to remain many times larger than anthropic from income ($ 3.7 billion compared to 1 billion dollars For 2024, reported information). But anthropic is quickly grown to become the largest rival of Openai and It was estimated at $ 61.5 billion in March 2025.
Co -founder and main scientist of Openai, Ilya Sutskyr Left Openai in May 2024 As he reportedly reported part of a failed attempt to replace CEO Sam Altman. After a while, he Surely established oversight, or SSIwith “a purpose and a product: a safe supervision,” he says. Details about what exactly the beginning is less about: it has no product and income yet. But investors are gathering for a portion anyway, and has been able to raise $ 2 billion, with its latest rating reported rising to $ 32 billion This month. SSI is based in Palo Alto, California and Tel Aviv, Israel.
Mira Murati, CTO and Openai, left Openai last year to find her company, thinking Machines Lab, which came out of stealth In February 2025, announcing (unclearly) that he will build the one who is more “personalized” and “capable”. Starting San Francisco He has no product or income but Many former Openai’s top scholars And it is It is said that in the process of lifting A massive round of $ 2 billion that values it at $ 10 billion, minimum.
Aravind Srinivas has worked as a research scientist in Openai for one year by 2022, when he left the company to co-consul his search engine. Its start has attracted a range of high -profile investors such as Jeff Bezos and Nvidia, though it is also caused controversy on the alleged non -ethical scrap of the web. Purpassy, which is located in San Francisco, is currently increasing about $ 1 billion in a $ 18 billion rating Since March 2025.
Kyle Kosic left Openai in 2023 to become a co -founder and leader of Xai’s infrastructure, the beginning of that of Elon Musk offering a rival chatbot, Grok. However, in 2024, he back to Openai. Xai based on Palo Alto Recently earned xFormerly Twitter, and gave the unit combined an estimate of $ 113 billion. Comprehensive transaction raised some eyebrows but is A good deal if you are betting on the Musk’s empire.
Emmett Shear is the former -ceo of Twitch who was Temporary CEO of Openai in November 2023 for a few days ago Sam Altman joined the company. Shear is working for his The stealth of his own, called Stem he, discovered Techcrunch in 2024. Although there are few details about the activity and collecting its funds so far, it has already attracted funds from Andreessen Horowitz.
Computer vision expert Andrej Karpathy was a founding member and research scientist in Openai, leaving Start to join Tesla in 2017 to guide his autopilot program. Karpathy is also known for his youtube video Explaining the essential concepts of him. He left Tesla in 2024 found his start of educational technologyEureka Labs, a San Francisco -based startup who is building a teaching assistant.
Jeff Arnold worked as Chief of Openai Operations for five months in 2016 before establishing the pilot of starting accounting based in San Francisco in 2017. Pilot, which initially focused on making accounting for beginnings, Last set up a $ 100m series in 2021 with a $ 1.2 billion rating and has attracted investors like Jeff Bezos. Arnold worked as Pilot’s COO up to DISMISSAL in 2024 to start a VC fund.
David Luan was the Openai engineer VP until he left in 2020. After a Google attack, in 2021 he co-founded he Labs he, a startup who builds tools for employees. starting Last gathered $ 350 million in a north rating from $ 1 billion in 2023 but plays Left at the end of 2024 to oversee the Amazon agents’ laboratory subsequently Amazon hired the founders of the adept.
Tim Shi was an early member of the Openai team, where he focused on building a secure artificial intelligence (Agi), according to his LinkedIn profile. He worked in Openai for a year in 2017, but left to find Cresta, a Startup of the Contact Center he based in San Francisco who has collected over $ 270 million from QV like Sequoia Capital, Andreessen Horowitz, and others, according to A announcement.
The trio all worked in Openai in 2016 and 2017 as research scientists before establishing Covariant, a Berkeley -based startup, California building models of the AI Foundation for robots. In 2024, Amazon hired all three founders of Kovariant and about a quarter of its staff. Buying Quasi was viewed by some As part of a broader tendency of large technology that tries to avoid antitrust examination.
Maddie Hall has worked on “Special Projects” in Openai but left in 2019 to co-like Living Carbon, a Startup based in San Francisco that aims to create engineering plants that can absorb more carbon from the sky to combat climate change. Living Carbon raised a $ 21 million series round in 2023, bringing its total funds by that time to $ 36 million, according to a announcement.
Shariq Hashme has worked for Openai for 9 months in 2017 in a bot that could play the popular video dota game, according to his LinkedIn profile. After a few years on the launch of the data labeling he, he co-founded Prosper Robotics based in London in 2021. The beginning says he is working on a butler robot for people’s homes, a hot trend in robotics that other players as 1x of Norway AND Texas -based apptrronik are also working.
Jonas Schneider led the Openai software engineering for the Robotics Team, but left in 2019 to co-like Daedalus, which builds advanced factories for the precision components. Start with Center in San Francisco collected a series of $ 21 million in the past year With support from Khosla Ventures, among other things.
Margaret Jennings worked in Openai in 2022 and 2023 until she left to co-founded Kindo, who Markets himself as a chatbot of he for enterprises. Kindo has raised over $ 27 million in funds, last CAPACITY A series of $ 20.6 million A in 2024. Jennings la Kindo in 2024 to run product and research at French Mistral Startup, according to its LinkedIn profile.