Organization
Fireworks AI
Inference provider · Developer platform · San Mateo, California
Fireworks AI operates a hosted platform for serving and training models, offering pay-per-token access to open models from other developers, dedicated deployments, and fine-tuning and reinforcement-learning training services.45
Key facts
- Legal name
- Fireworks.ai, Inc.1
- Ownership
- Privately held
- Legal form
- Unknown
- Founded
- Unknown
- Sectors
- Cloud
What is and isn’t public
Products
Hosted model products
Labeled Closed product/API — this describes how a documented product is delivered (hosted access). It is not an open artifact and says nothing about other releases by the same organization.
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| Fireworks Inference (external site: fireworks.ai) | Hosted model API | Serverless API billed per token, with OpenAI- and Anthropic-compatible endpoints, plus on-demand dedicated deployments and reserved capacity for custom or post-trained models.4 | Sep 29, 2026 |
Other products
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| Fireworks Training (external site: fireworks.ai) | Developer tool | Training API and managed training jobs for supervised fine-tuning, preference optimization, and reinforcement learning, launched from the UI, the firectl CLI, or the API.5 | Sep 29, 2026 |
Related open artifacts
No open-artifact records in this catalog list Fireworks AI. That is not evidence that none exist — only that none have been reviewed here.
Notable documented facts
- The company's leadership page lists co-founders who previously worked on PyTorch and other infrastructure at Meta and on Vertex AI at Google.6
- In September 2026 Fireworks announced Ember-1, which it describes as its own model built on Kimi K3, offered as a research preview on its serverless service.7
U.S. eligibility
Eligible · basis: U.S. headquarters
Fireworks.ai, Inc.'s terms of service (updated July 2026) give its DMCA notice address in San Mateo, California, and a July 2026 company press release is datelined San Mateo. Its careers page lists most roles in San Mateo. No foreign parent or headquarters was found.123
Sources
This listing is not an endorsement or a federal approval.