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Callosum

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Callosum builds software that distributes artificial intelligence tasks across heterogeneous chips and models to improve inference efficiency.

London, UK— Founded 2025
$110MTotal raised

London-based startup developing software that routes artificial intelligence tasks to different hardware models and chips based on the specific requirements of each step.

Categories

AI/ML

Founders

Danyal Akarca

Danyal Akarca

Danyal is co-founder at Callosum. He previously held research roles at Imperial College London and the University of Cambridge, including as a Schmidt fellow.

LinkedIn
Jascha Achterberg

Jascha Achterberg

Jascha brings research and co-founding experience from Callosum and Oxford.

LinkedIn

Investors

  1. Seed
    $100M
    A
    Atomico    Lead
    Plural
    Plural    Follow-on
    DCVC
    DCVC
    SA
    Sovereign AI Fund
  2. $10.3M
    Plural
    Plural    Lead
    AR
    Advanced Research and Invention Agency
    CS
    Charlie Songhurst
    SB
    Stan Boland
    JL
    John Lazar

Funding history