Fireworks AI 初步洽談新一輪融資，目標估值介乎 $30 billion 至 $40 billion
Infrastructure startup Fireworks AI is in early talks for new funding at a valuation between $30 billion and $40 billion
Fireworks AI 正初步洽談新一輪融資，目標估值介乎 $30 billion 至 $40 billion，數月前該公司估值為 $17.5 billion。洽談仍處早期，估值目標可能改變，Fireworks 拒絕置評。公司表示，本月較早時發現內部憑證遭未授權使用，令入侵者可存取部分客戶帳戶資料。
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By Ben Bergman
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Katie Roof
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Fireworks AI is seeking to raise fresh funding at a valuation between $30 billion and $40 billion, a dramatic jump just months after the AI-infrastructure startup was valued at $17.5 billion, according to people familiar with the matter.
The potential valuation leap reflects investors' appetite for the companies selling the computing power and tools fueling the AI boom, even as Fireworks AI works through the fallout from a recent security incident.
The talks around the financing are still early, and valuation targets could still change. Fireworks declined to comment.
Founded in 2022, Fireworks was built by veterans of Meta and Google's AI efforts. Chief executive Lin Qiao previously led the PyTorch team at Meta, while cofounders include former Meta infrastructure engineers and a former leader of Google's Vertex AI. The company rents out computing infrastructure and software that lets businesses run, fine-tune, and deploy open-weight and custom AI models.
In July, Fireworks announced a $1.5 billion Series D funding round at a $17.5 billion valuation, led by Atreides Management, Index Ventures, and TCV, with participation from Nvidia, Lightspeed Venture Partners, Bessemer Venture Partners, and Menlo Ventures. That round followed a $250 million Series C at a $4 billion valuation in late 2025, co-led by Lightspeed, Index, and Evantic.
Rather than trying to build a consumer chatbot to rival ChatGPT, Fireworks sells what it calls specialized intelligence: models customized on a customer's proprietary data, workflows, and use cases. The company said in July that it had surpassed $1 billion in annualized revenue and was serving more than 40 trillion tokens a day; it said 95% of those tokens came from models tailored to customers.
The company operates in a highly competitive layer of the AI stack. Rivals include model-infrastructure startups such as Together AI, Baseten, and Replicate, as well as cloud giants such as Amazon Web Services, Google Cloud, Microsoft Azure, and Oracle.
The fundraising talks come shortly after a security incident at Fireworks AI. The company said it identified unauthorized use of internal credentials earlier this month that allowed an intruder to access data from some customer accounts.
"We take this seriously and will be transparent about what happened and what we find," Qiao posted on X. "I'm personally committed to turn this attack into the most formidable security response in AI Infra."
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I'm chief correspondent at Business Insider, where I cover the tech industry with a focus on venture capital and startups. I'm the co-author of VC Insider, a new newsletter on the deals, drama, and people moving billions in Silicon Valley.I can frequently be seen on CNN and other channels providing analysis on a range of business and economic topics. I also appear often at dozens of the biggest events around the world, including the World Economic Forum, HumanX, and Web Summit.Please get in touch if you have a story to tell. For tips (not pitches), you can message me securely on Signal @BenBergman.11Previously, I was a senior reporter at LAist/Southern California Public Radio, where I covered business and economics. I have also written for The New York Times and Columbia Journalism Review and was a reporting intern at The Times. I started my career as a producer for NPR's Morning Edition and also produced award-winning documentaries for public television.I spent the 2017-2018 academic year at Columbia Business School as a Knight-Bagehot fellow. After that, I oversaw the development of The Journal, a daily podcast produced by The Wall Street Journal and Gimlet Media.Originally from Seattle, I graduated cum laude from Occidental College in Los Angeles with a degree in politics.In my free time, I love skiing, tennis, poker, and cheering on the Seattle Seahawks. I competed in the 2024 World Series of Poker Main Event but sadly did not win.
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Katie is Editor at Large for Business Insider and also a Global Reporter for the Axel Springer Global Reporters Network, working with sister publications including Politico and The Telegraph. She has been a frequent television commentator and on-stage moderator. She is an LA Press Club award winner for her reporting on SpaceX and has broken more than 1,000 stories, which also earned her the TBPN accolade "scoop athlete of the century."
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