Fractile
Fractile designs custom hardware and systems to accelerate AI model inference and throughput at scale.
Fractile is a hardware & semiconductors company based in Bristol, GB, founded in 2022. It has raised $718.58 million in disclosed funding. Its latest round was a Series C of £540 million in November 2026.
Overview
Founded in 2022, London-based Fractile is a full-stack hardware company focused on accelerating the performance of frontier AI models [0]. The startup develops specialized chips and system architectures designed to overcome latency limitations, aiming to enable output generation at thousands of tokens per second while managing the complexity of large models operating at long contexts [0]. By targeting the inference bottleneck—specifically the trade-offs between cost and latency—the company seeks to improve efficiency for high-capacity AI workloads [1]. The team operates across the full technology stack, integrating foundational AI research with foundry process innovation and chip micro-architecture to deliver high-performance compute solutions [1]. Fractile has secured $718.578 million in total venture financing and is currently classified at the Series C+ stage [Registry]. The company continues to develop systems that reject traditional cost-versus-latency trade-offs in an effort to redefine the capabilities of advanced AI models [1].
Funding
Total disclosed: $718.6M across 1 round. Computed only from sourced rounds.
Investors
Questions and answers
What does Fractile do?
Fractile designs custom hardware and systems to accelerate AI model inference and throughput at scale.
How much has Fractile raised?
Fractile has raised $718.58 million in disclosed funding across 1 round tracked by OSH.
Who has invested in Fractile?
Investors in Fractile include Thrive Capital, Founders Fund, Lightspeed, Redpoint, CapitalG and 5 more.
When and where was Fractile founded?
Fractile was founded in 2022 and is based in Bristol, GB.
Timeline
Founded
Sources
- 1.Lightspeed and Alphabet's CapitalG back Fractile in £500M plus funding round — Tech.eu, Nov 11, 2026
- 2.Fractile · Official
- 3.Fractile · Official