Fireworks Raises $1.505B Series D at $17.5B Valuation

Fireworks, based in San Mateo, California, is a specialized intelligence platform that enables enterprises to train and serve custom AI models. The company announced it has raised $1.505 billion in a Series D funding round at a $17.5 billion valuation.

Investors

The round was co-led by Atreides Management, Index Ventures, and TCV. Additional investors participating in the round include 20VC, Bessemer Venture Partners, Evantic Capital, Insight Partners, Lone Pine Capital, Lightspeed Venture Partners, Menlo Ventures, NVIDIA, Operator Collective, Ontario Teachers Pension Plan, Original Capital, Prysm Capital, Quantum Capital, and TIME Ventures.

Fireworks Use of Funds

Fireworks plans to use the fresh capital to expand its engineering team and increase its global compute capacity to support rising enterprise demand. The company also intends to deepen its strategic partnerships with cloud providers such as Microsoft and NVIDIA.

About Fireworks

Founded with a focus on specialized intelligence, Fireworks provides the infrastructure for companies to customize, serve, and scale open AI models using their own proprietary data, workflows, and customer context. Their platform supports over 200 models across text, image, and multimodal formats, serving enterprise clients such as Uber, Shopify, Doximity, and Revolut.

Funding Details

Company Website: https://fireworks.ai

Company: Fireworks
Raised: $1.505B
Round: Series D
Funding Date: July 2026
Lead Investor: Atreides Management, Index Ventures, TCV
Additional Investors: 20VC, Bessemer Venture Partners, Evantic Capital, Insight Partners, Lone Pine Capital, Lightspeed Venture Partners, Menlo Ventures, NVIDIA, Operator Collective, Ontario Teachers' Pension Plan, Original Capital, Prysm Capital, Quantum Capital, TIME Ventures
Software Category: Artificial Intelligence
Source: https://www.marketwatch.com/story/nvidia-backed-fireworks-raises-1-5-billion-in-series-d-75df5ad9