# Fireworks AI

> Inference and model-customization platform deploying optimized open-weight and specialized foundation models.

## Why it is interesting

Major infrastructure beneficiary of efficient AI: $250M Series C in October 2025 and $1.505B Series D in July 2026. Supports optimized inference and model specialization, not a proprietary NCM model.

## Profile

- **Latest funding:** Series D — $1.505B (July 16, 2026)
- **Latest known valuation:** $17.5B, company-announced (July 16, 2026)
- **Total disclosed equity funding:** $1.5B
- **Stage:** growth
- **Status:** private
- **Industries:** N/A
- **Coverage:** full
- **Last updated:** 2026-11-13
- **Latest funding investors:** Atreides Management, Index Ventures, TCV, Evantic Capital, Lightspeed Venture Partners, NVIDIA, Bessemer Venture Partners, Menlo Ventures

## Key facts

- $250M Series C in October 2025, including primary and secondary
- $1.505B Series D announced July 2026 at a $17.5B valuation
- Inference and specialization provider, not a proprietary diffusion NCM model developer

## Funding history

- Series D · $1.505B · July 16, 2026
  Source: https://fireworks.ai/news/fireworks-raises-1-5-billion-series-d
- Series C (primary plus secondary) · $250M total round, includes primary and secondary capital · October 28, 2025
  Source: https://fireworks.ai/news/fireworks-ai-raises-250m-series-c

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** November 13, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/fireworks-ai