General · 20 August 2026

UK startup Callosum raises $100 million for AI tech

The funding round is one of Europe's largest ever seed rounds raising $100M, with Atomico and Plural among the investors. Callosum's new software helps AI applications run on different chips for various tasks to cut costs and improve performance. The company claims that the platform ran four times faster and cut compute costs by 70% in financial services workloads.

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