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Startups & Venture

Elon Musk admits xAI ‘wasn’t built right’ as only 2 co-founders remain and its biggest AI bet stalls out

Nine of xAI’s 11 original co-founders, not including Musk, have left the company.

By Marco Quiroz-GutierrezMarch 16, 2026
AI is reviving tech sectors that VCs had all but forgotten
By Lily Mae LazarusMarch 16, 2026
Inside the Gen Z Shark Tank where influencers are becoming venture investors
By Leo SchwartzMarch 16, 2026
An Australian tech entrepreneur used AI to help create the first-ever bespoke cancer vaccine for a dog to treat his beloved pet Rosie
By Jason MaMarch 15, 2026
Travis Kalanick sees benefits of being in stealth mode for 8 years. ‘You build a culture of people that want to build and do not need to be famous’
By Jason MaMarch 14, 2026
Vinod Khosla sits on a blue chair
OpenAI’s original VC bet: How Vinod Khosla stepped in after Elon Musk balked
By Lily Mae LazarusMarch 13, 2026
Latest Stories
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PoliticsTrump’s ‘Art of the Deal’ can’t reopen the Strait of Hormuz—and it’s threatening a recession
By Nick LichtenbergMarch 16, 2026
an ad for polymarket in a subway station
CryptoBetting on 5-minute swings on Bitcoin price are the hot new thing on prediction markets
By Carlos GarciaMarch 16, 2026
Palantir co-founder Peter Thiel
InnovationPeter Thiel brings his Antichrist lectures to Rome — and Italian politicians are calling his ideas ‘scandalous’
By Tristan BoveMarch 16, 2026
U.S. President Donald Trump listens during a press conference with Ukrainian President Volodymyr Zelensky following their meeting at Trump’s Mar-a-Lago club on December 28, 2025 in Palm Beach, Florida.
Politics‘Blackmail is also not what I wish for’: America’s allies are ghosting Trump on Strait of Hormuz
By Eva RoytburgMarch 16, 2026
peter thiel
InvestingPeter Thiel is actively convincing billionaires to abandon The Giving Pledge — and it’s working
By Jake AngeloMarch 16, 2026
bofa
EconomyRay Dalio sees a pattern that shows China killing America’s economy. This 2,000-year chart explains why
By Nick LichtenbergMarch 16, 2026
A bag of money.
Personal FinanceBest checking account bonuses for March 2026: Bonuses between $300 and $7,000
By Joseph HostetlerMarch 16, 2026
NewslettersThe most powerful moments for women at the 2026 Oscars
By Ellie AustinMarch 16, 2026
More Startups & VenturePage 31 of 100
TechSlow Ventures is raising $275 million across two new funds: Filings
By Leo SchwartzDecember 18, 2024
Elon Musk speaks with U.S. President-elect Donald Trump as they watch the launch of the sixth test flight of the SpaceX Starship rocket on November 19, 2024 in Brownsville, Texas.
TechMarc Benioff says Elon Musk’s close relationship with Donald Trump is a ‘great vision’ for America
By The Associated PressDecember 18, 2024
businessman in a black sweater smiles for a portrait
NewslettersFounder of travel tech startup Nuitée raised $48 million for its next phase: ‘That’s when we start pissing people off’
By Allie GarfinkleDecember 18, 2024
Sam Altman stands on stage at an OpenAI event
TechHundreds of OpenAI’s current and ex-employees are about to get a huge payday by cashing out up to $10 million each in a private stock sale
By Sharon GoldmanDecember 17, 2024
event attendees sit around a grouping of tables
NewslettersTop investors sounded off AI’s next frontiers, from voice to enterprise and beyond, at the Term Sheet Breakfast
By Allie GarfinkleDecember 17, 2024
Warby Parker store
NewslettersConsumer brands like Warby Parker and Casper built the New York tech scene. Where did they go?
By Leo SchwartzDecember 16, 2024
Executives from AARP, Zillow, Glean and swsh discussing AI during a Fortune's Brainstorm AI conference.
ConferencesAI leaders provide a reality check about a technology they say is both ‘exciting’ and still a very ‘manual exercise’
By Fortune StaffDecember 13, 2024
ATLANTA, GEORGIA - NOVEMBER 22: Daymond John speaks onstage during 2024 Black Entrepreneurs Day at The Fox Theatre on November 22, 2024 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)
SuccessShark Tank judge says you don’t need money or connections to get rich: ‘The top 1,000 richest people are self-made’
By Jane ThierDecember 13, 2024
Zest AI CEO Mike de Vere
NewslettersExclusive: Zest AI snags $200 million growth investment from Insight Partners
By Allie GarfinkleDecember 13, 2024
NewslettersWhy Kleiner Perkins’s Leigh Marie Braswell says AI agents ‘don’t work’
By Jessica MathewsDecember 12, 2024
NewslettersAs accusations of ‘debanking’ grip Silicon Valley, the crypto industry is still waiting for a smoking gun
By Leo SchwartzDecember 11, 2024
Jeffrey Katzenberg smiles during a discussion onstage at the Fortune Brainstorm AI 2024 event.
AIDreamWorks cofounder Jeffrey Katzenberg says top Hollywood writers and showrunners are welcoming AI as ‘amazing,’ ‘inspiring’ tool
By Jason Del ReyDecember 10, 2024
Fortune Brainstorm AI 2024
ConferencesAI robotics will take on human labor so humans can ‘engage their brains better,’ former Amazon exec says
By Kali HaysDecember 10, 2024
A person using Inflection AI on mobile informs of the company's logo.
AIInflection’s CEO talks about rebuilding a startup, AI ‘in dialogue with the planet,’ and working with Trump
By Kali HaysDecember 10, 2024
NewslettersHow strength training startup Ladder plans to more than double users of its app in a year
By Jessica MathewsDecember 10, 2024
TechPitching investors is like the NFL draft says Colin Kaepernick—’it only takes one’
By Jeff John RobertsDecember 10, 2024
TechMicrosoft’s biz dev boss on the big bets that could define the future of AI
By Sharon GoldmanDecember 10, 2024
TechVisa’s head of tech wants AI companies to focus less on pitch decks and more on code
By Jenn BriceDecember 9, 2024
ConferencesStability AI’s new CEO, hired six months ago, says business growing by ‘triple digits’ and no more debt
By Kali HaysDecember 9, 2024
Auger founder Dave Clark is seated, hands folded, gazing at the camera
TechExclusive: Dave Clark hires Amazon chief scientist and other former execs for his AI supply-chain startup
By Jason Del ReyDecember 9, 2024
NewslettersAs crypto comes roaring back, Khosla Ventures’ Keith Rabois is making a bet on Bitcoin lending
By Leo SchwartzDecember 9, 2024
TechHow Peter Thiel’s network of right-wing techies is infiltrating Donald Trump’s White House
By Jessica MathewsDecember 7, 2024
TechOpenAI’s nightmare: What David Sacks as AI Czar (and Elon Musk as wingman) could mean for Sam Altman’s $157 billion startup
By Sharon GoldmanDecember 7, 2024
3 men wearing vests and holding hard hats pose for a photo
NewslettersExclusive: Prima, Mexico-based manufacturing and supply chain integrator, reveals it has raised $42.5 million
By Allie GarfinkleDecember 6, 2024
two adult men and one adult woman in business casual clothing pose for a photo
NewslettersExclusive: Sage, senior living operating system, raises $35 million Series B led by IVP
By Allie GarfinkleDecember 5, 2024
TechExclusive: Fintech unicorn Stash laid off 40% of its workforce after CEO left
By Leo Schwartz and Jessica MathewsDecember 4, 2024
Lili Infante
NewslettersCAT Labs, a startup fighting tech-enabled crime, raises $5.4 million seed round
By Allie GarfinkleDecember 4, 2024
chart of AI ML VC deal value by stage in billions of dollars
NewslettersThree charts explaining where the AI frenzy is right now
By Allie GarfinkleDecember 3, 2024
Netflix star Ryan Serhant
NewslettersExclusive: Netflix star Ryan Serhant raises $45 million to disrupt the real estate brokerage business
By Leo SchwartzDecember 2, 2024
NewslettersAustralia sparks outrage with particularly harsh social-media restrictions
By David MeyerDecember 2, 2024
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