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Fireworks AI Secures $250M in Series C Funding Led by Lightspeed, Index Ventures, and Evantic to Enhance AI Inference Capabilities.

PRIVATEOct 28, 2025

Amount Raised

$250 Million

Round Type

Series C

Redwood CitySoftwareArtificial Intelligenceinformation technology & services

Investors

EvanticSequoia CapitalLightspeed Venture PartnersIndex Ventures

Description

Fireworks AI has raised $250 million in a Series C funding round, elevating its valuation to $4 billion. The funding was led by Lightspeed Venture Partners, Index Ventures, and Evantic, with support from Sequoia Capital. This investment aims to strengthen Fireworks' cloud platform for AI applications across enterprises. With this round, the company's total funding has reached $327 million.

Quick answer

Fireworks AI raised $250 Million in a Series C round, dated October 28, 2025. Investors: Evantic, Sequoia Capital, Lightspeed Venture Partners and Index Ventures. Fireworks AI is based in Redwood City, California, United States.

How much did Fireworks AI raise?
Fireworks AI raised $250 Million in a Series C round on October 28, 2025.
Who invested in Fireworks AI?
Evantic, Sequoia Capital, Lightspeed Venture Partners and Index Ventures are named as investors in this round.
What does Fireworks AI do?
Fireworks is the fastest way to build, tune, and scale AI on open models.
Where is Fireworks AI based and how big is it?
Fireworks AI is based in Redwood City, California, United States. Fundz records about 330 employees.
Who are the decision-makers at Fireworks AI?
Fundz holds 3 contacts at Fireworks AI, including the Co-Founder. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in information technology & services and Software around the same time

Companies in the same sectors as Fireworks AI that raised within 45 days of this round, from Fundz verified event records.

  • Cursor raised $2.3B (Funding Round) on November 13, 2025.
  • Runware raised $50M (Series A) on December 11, 2025.
  • Keychain raised $10M (Funding Round) on November 17, 2025.
  • Lisse raised $6.5M (Series C) on November 12, 2025.
  • OmniLex raised $4.5M (Seed) on November 11, 2025.
  • H3 Zoom raised $1.8M (Series A) on November 11, 2025.

Who to call at Fireworks AI, and when

A new round usually means Fireworks AI is about to hire and buy. The teams that reach out first get the meeting.

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Company Information

Company

Fireworks AI

Location

2317 Broadway

Redwood City, California, United States

About

Fireworks is the fastest way to build, tune, and scale AI on open models. Ship production-ready AI in seconds on our globally distributed cloud infrastructure, optimized for your use case. Fireworks powers production workloads at companies like Uber, Doordash, Notion, and Cursor—delivering 15× faster speed, 4× lower latency, and 4× more concurrency than closed models.

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Fundz sees it the moment Fireworks AI raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

Related People

3 contacts
Verified contactsJames R., Co-Founder hidden hidden hiddenSee plans and pricing
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Fireworks AI raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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