Fireworks AI provides infrastructure for enterprises to train, deploy and run customized open-source AI models at scale.
| date | round | amount | valuation | investors |
|---|---|---|---|---|
| Jul 2026 | Series D | $1.505B | $17.5B post-money | Atreides Management, Index Ventures, TCV |
| Oct 2025 | Series C | $250M | $4B post-money | Lightspeed Venture Partners, Index Ventures, Evantic |
Fireworks AI's co-optimized training and inference platform lets enterprises turn proprietary data into customized models at 5-10x lower operating cost, shifting the industry from 'token maxing' to 'value maxing' by enabling vertical-specific models that avoid scaling into bankruptcy.