Funding
Seed · AI

Callosum raises $100M seed round

Callosum raised $100 million in seed financing announced in August.

Updated Oct 16, 2026By RoundOS Funding desk

Atomico, Plural, DCVC and Sovereign AI are among its investors.

The company develops infrastructure for running AI workloads across different chips and models.

Funding history

Seed · This round$100M

Sources

  1. Callosumprojectstartups.com
  2. tech.eu

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