Last updated
    Fireworks AI
    Artificial Intelligence Infrastructure

    Fireworks AI

    "High-performance inference for open models"

    Founded 2022 San Mateo, California CEO: Lin Qiao
    Community

    About

    Former Meta engineers Lin Qiao and David Ha established Fireworks AI in San Mateo, California, during 2022 to tackle the specific bottlenecks of running open-source large language models in production. The company built its reputation on solving the messy reality of deploying generative artificial intelligence at scale rather than offering raw compute or building proprietary closed models. Their platform targets businesses needing to integrate advanced AI capabilities without managing complex backend systems, optimizing how massive models process data to reduce latency and costs while maintaining high reliability.

    The firm operates a globally distributed cloud infrastructure designed to handle internet-scale workloads, processing over 13 trillion tokens as of mid-2026. In March 2026, they expanded their market reach by integrating their technology into Microsoft Foundry, bringing high-performance, low-latency open model inference directly to the Azure ecosystem. This strategic move positioned them as a critical partner for deploying AI on cloud infrastructure alongside major hardware players like Nvidia.

    By July 2026, the company achieved decacorn status after closing a $1.5 billion Series D funding round at a $17.5 billion valuation. Investors including Nvidia backed this latest round as the company pivoted toward specialized, smaller models and efficient inference rather than competing directly with general-purpose foundation model creators. Recent developments highlight a shift toward supporting AI agents and post-training techniques, allowing startups to customize models and own their intelligence through specialized tuning.

    Products & Sub-brands

    Inference EngineFine-tuning PlatformPost-training ToolsMicrosoft Foundry Integration

    Frequently Asked Questions

    Who owns Fireworks AI?
    Fireworks AI is privately held and was founded by former Meta engineers Lin Qiao (CEO) and David Ha (Chief Scientist), with Nvidia being a major recent investor following their $1.5B Series D round.
    What is the current valuation of Fireworks AI?
    As of July 2026, Fireworks AI holds a valuation of $17.5 billion after closing a $1.5 billion Series D funding round, marking its status as a decacorn in the AI infrastructure sector.
    Is Fireworks AI still in business and growing?
    Yes, the company is actively expanding; in mid-2026, it integrated with Microsoft Foundry and secured significant funding to support its high-performance inference platform for open models.
    How does Fireworks AI compare to competitors like Anyscale?
    Fireworks AI differentiates itself by focusing exclusively on high-throughput, low-latency inference for open-source models, often delivering up to 4x higher throughput than standard open-source alternatives.
    What makes Fireworks AI unique compared to big cloud providers?
    Unlike general cloud providers, Fireworks specializes in optimizing the deployment and fine-tuning of open models, offering a dedicated platform that reduces costs and complexity for developers running AI agents.

    Keywords

    AI inferenceopen source modelsLLM optimizationcloud infrastructuregenerative AImodel servingpost-training

    Sources

    Company Info

    Founded
    2022
    Founder
    Lin Qiao, David Ha
    CEO
    Lin Qiao
    Headquarters
    San Mateo, California
    Industry
    Artificial Intelligence Infrastructure
    Total Tokens Processed
    13 trillion (mid-2026)
    Series D Funding Amount
    $1.5 billion
    Current Valuation
    $17.5 billion
    Funding Round Date
    July 2026
    Microsoft Integration Launch
    March 2026
    Throughput Improvement
    Up to 4x higher than standard options

    Official Website

    fireworks.ai/

    Join the community

    fans discussing