Fireworks AI has raised $327 million across Series A, B, and a combined Series C/D/E round. The company secured $25M Series A in March 2024 led by Benchmark, followed by $52M Series B in July 2024 led by Sequoia Capital. In late 2025, Fireworks AI closed its largest round $250M Series C/D/E with participation from Lightspeed Venture Partners, Index Ventures, and Evantic. This funding accelerates development of its high-performance inference platform, multi-cloud GenAI stack, and enterprise AI infrastructure.
