Callosum raises $100M seed round to route AI workloads across chips and models
UK startup Callosum raised a $100M seed round led by Atomico for software that sends each AI workload to a suitable model and chip. The UK's Sovereign AI fund invested alongside Plural and DCVC.
UK startup Callosum raised a $100M seed round led by Atomico for software that sends each AI workload to a suitable model and chip. The UK's Sovereign AI fund invested alongside Plural and DCVC. (Bloomberg (via BGOV); Tech.eu)
Callosum came out of stealth in February 2026 with $10.25M. It has a partnership with Cerebras to offer fast inference on its platform. It did not disclose a valuation. (Bloomberg (via BGOV); Tech.eu)