Fireworks AI
AI infrastructure company providing high-performance inference, model customization, post-training, and deployment for open and specialized foundation models.
Key stats
- $1.83B
- $1B
- 6
- —
- 3
- 7
- Aug 31, 2026
- Financial
- —
- —
- —
Recent releases
Aug 31, 2026Fireworks Training API becomes generally availableAPI release
Fireworks launched general availability of its Training API for managed distributed training and reinforcement-learning rollouts.
Jul 15, 2026Fireworks serves more than 40 trillion tokens dailyNews
Fireworks reported serving more than 40 trillion tokens per day, over 95% from customer-specialized models.
Jul 15, 2026Fireworks surpasses $1 billion annualized revenue run rateRevenue disclosure
Fireworks disclosed that annualized revenue run rate had surpassed $1 billion.
Jul 15, 2026Fireworks AI Series DFunding round
Fireworks AI raised a $1.505 billion Series D led by Atreides Management, Index Ventures, and TCV.
Mar 2026Fireworks models launch in Microsoft FoundryPartnership
Fireworks and Microsoft made select open models available through serverless endpoints in Microsoft Foundry.
Oct 28, 2025Fireworks AI Series CFunding round
Fireworks AI raised a $250 million Series C co-led by Lightspeed Venture Partners, Index Ventures, and Evantic.
Jun 11, 2025Fireworks Build SDK enters betaSDK release
Fireworks released a declarative SDK for managing models, deployments, fine-tuning jobs, datasets, and serving strategy.
Jun 11, 2025Fireworks Experimentation Platform becomes generally availableProduct launch
Fireworks launched its integrated platform for rapid tuning, evaluation, deployment, and online experimentation.
Upcoming
Nothing scheduled.
AI valuation history
Models
| Model | Released | Open source |
|---|---|---|
| Fireworks f1Family | Nov 2024 | — |
| FireFunction V2 | Jun 2024 | Yes |
| FireFunctionFamily | Mar 2024 | Yes |
Platforms & products
| Name | Type | Category | Launched | Status |
|---|---|---|---|---|
| Fireworks Training API | Platform | Training | Aug 2026 | active |
| Fireworks Build SDK | Product | SDK | Jun 2025 | beta |
| Fireworks Experimentation Platform | Platform | MLOps | Jun 2025 | active |
| Fireworks Fine-Tuning | Product | Fine Tuning | Mar 2024 | active |
| Fireworks AI Platform | Platform | AI Infrastructure | Jan 2023 | active |
| Fireworks On-Demand Deployments | Platform | Inference | — | active |
| Fireworks Serverless Inference | Platform | Inference | — | active |
Sources
- Aug 31, 2026 · Fireworks Training API becomes generally availableFireworks AI
- Jul 15, 2026 · Fireworks serves more than 40 trillion tokens dailyFireworks AI
- Jul 15, 2026 · Fireworks surpasses $1 billion annualized revenue run rateFireworks AI
- Jul 15, 2026 · Fireworks AI Series DFireworks AI
- Mar 1, 2026 · Fireworks models launch in Microsoft FoundryFireworks AI
- Oct 28, 2025 · Fireworks AI Series CFireworks AI
- Jun 11, 2025 · Fireworks Build SDK enters betaFireworks AI
- Jun 11, 2025 · Fireworks Experimentation Platform becomes generally availableFireworks AI
- Mar 18, 2025 · Fireworks supports NVIDIA NIM deploymentsFireworks AI
- Nov 1, 2024 · Fireworks f1 enters previewFireworks AI
- Jul 11, 2024 · Fireworks AI Series BFireworks AI
- Jun 17, 2024 · FireFunction V2 open weights releasedFireworks AI
- Mar 8, 2024 · Fireworks launches fine-tuning serviceFireworks AI
- Jan 31, 2024 · Fireworks AI Series AFireworks AI
* Market cap / valuation. Company values are AI-attributed: the latest market cap or valuation × the share attributed to AI (100% for pure AI companies). Methodology