Particle.news
Download on the App Store

Lightspeed Leads Fireworks AI’s $250 Million Series C at a $4 Billion Valuation

Investor backing reflects confidence in a PyTorch‑rooted team building an enterprise AI inference platform.

Overview

  • Lightspeed is leading the round with Index and Evantic alongside, with Sequoia and Benchmark participating, according to the investors’ announcements.
  • Tech Funding News reports the financing totals $250 million at a $4 billion valuation, bringing Fireworks’ total raised to $327 million.
  • Fireworks describes its platform as tooling for production‑grade inference that lets companies run and customize open‑source models across text, image, audio, and multimodal workloads while handling compute procurement.
  • The company reports more than 10,000 customers and over 10 trillion tokens processed daily, plus sub‑second inference and cost reductions, naming Uber, Notion, Samsung, Verizon, Shopify, and others as users.
  • Founders led by CEO Lin Qiao previously worked on PyTorch at Meta, and the company says the new capital will fund global expansion, R&D in algorithms and model quality, developer toolchains, and hiring.