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British AI startup Callosum announced on Thursday that it has completed a $100 million seed round. Investors include the British Sovereign AI Fund established in April this year. Meanwhile, Callosum announced a partnership with AI chip company Cerebras. This round of investment was led by venture capital firm Atomico, and institutions such as Plural and DCVC participated. In addition, the UK's £500 million sovereign AI fund also participated in the investment. Currently, Callosum has not disclosed its valuation.

Zhitongcaijing·08/20/2026 10:25:09
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British AI startup Callosum announced on Thursday that it has completed a $100 million seed round. Investors include the British Sovereign AI Fund established in April this year. Meanwhile, Callosum announced a partnership with AI chip company Cerebras. This round of investment was led by venture capital firm Atomico, and institutions such as Plural and DCVC participated. In addition, the UK's £500 million sovereign AI fund also participated in the investment. Currently, Callosum has not disclosed its valuation.