London startup Callosum just closed a $100 million seed round just five months after their $10 million pre-seed.
The economics of AI are shifting rapidly from model training to inference. Running workloads on uniform, general-purpose chips has created massive cost bottlenecks across the industry.
This is the compute challenge Callosum is solving.
Atomico led the round, with backing from Plural, DCVC, and the UK Sovereign AI Fund. This marks the first direct investment made by the Sovereign AI fund.
Founders Danyal Akarca and Jascha Achterberg started the company using principles from neuroscience. Biological brains rely on diverse, specialized neural circuits rather than one massive uniform engine. Callosum applies this logic to modern computing.
Their software layer breaks complex tasks into pieces and routes each step to the exact chip and model best suited for the job. This approach removes the friction of relying on a single silicon provider.
Alongside the raise, Callosum announced a partnership with Cerebras. The tie-up delivers ultra-low-latency, multi-agent systems at scale.
The future belongs to heterogeneous compute.
Read the full press release: https://lnkd.in/e43YGkbs
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