capital · May 21, 2026
Fireworks AI Discusses $4 Billion Valuation Deal With Lightspeed and Index
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Fireworks AI entered talks for a funding round at a $4 billion valuation with Lightspeed Venture Partners and Index Ventures. The company operates as an AI cloud provider renting Nvidia chip servers for model inference. The potential deal follows prior funding that valued the startup at $552 million after its Series B round. Lightspeed and Index would lead the new round alongside existing backers including Sequoia Capital.
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