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OpenAI Has the Biggest Funding Round Ever and Crosses 250 Million Users in the Same Week ChatGPT's user base is now double what it was in November 2023.

By Sherin Shibu Edited by Melissa Malamut

Key Takeaways

  • OpenAI announced Wednesday that it raised $6.6 billion in its latest fundraising round.
  • Microsoft remains OpenAI's largest corporate backer.
  • OpenAI's valuation is now $157 billion.

OpenAI almost doubled its valuation from $86 billion to $157 billion on Wednesday after a $6.6 billion funding round, the biggest venture capital deal ever. The ChatGPT-maker raised more than Elon Musk's xAI, which announced a funding round of $6 billion at a $24 billion valuation in May.

Thrive Capital led the round, with an investment of $1.3 billion. Fidelity, Nvidia, and SoftBank also invested, but Microsoft remains the startup's largest corporate backer, adding $750 million in this round to its existing $13 billion investment. Apple was considering investing but decided not to in order to avoid future conflicts with OpenAI's competitors, per Barron's.

Related: If OpenAI Makes Its Core Business For-Profit, It Could Mean a $10 Billion Payday for 39-Year-Old CEO Sam Altman

In the funding announcement, OpenAI stated that it has increased its weekly number of users to over 250 million, a 50 million jump from two months ago. ChatGPT has more than double the user base now than it did in November 2023.

OpenAI will use the funds to keep building AI tools and researching AI. The startup had a revenue of $300 million last month and is expecting $3.7 billion in revenue this year to $5 billion in losses.

OpenAI CEO Sam Altman. Photo by Stefano Guidi/Getty Images

OpenAI has recently seen a wave of high-level departures, with OpenAI chief technology officer MIra Murati, vice president of research Barret Zoph, and chief research officer Bob McGrew, all leaving the company on the same day last week.

Related: 'A Real Growing Up Moment For Me': OpenAI's 39-Year-Old CEO Says He Learned a Lot from Being Fired

Sherin Shibu

Entrepreneur Staff

News Reporter

Sherin Shibu is a business news reporter at Entrepreneur.com. She previously worked for PCMag, Business Insider, The Messenger, and ZDNET as a reporter and copyeditor. Her areas of coverage encompass tech, business, strategy, finance, and even space. She is a Columbia University graduate.

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