Callosum - Co-evolving chips & intelligence
Location: United Kingdom
Total raised: $110.25M
Investors 1
| Date | Name | Website |
| 10.09.2026 | Dunamu &am... | dunamupart... |
Funding Rounds 2
Mentions in press and media 7
| Date | Title | Description |
| 20.08.2026 | UK AI startup Callosum raises $100M to rethink how AI uses models and chips, backed by Sovereign AI Fund | Callosum, a London AI startup founded last year, has raised $100 million in seed funding to tackle one of the industry’s increasingly expensive problems: deciding which AI model should run on which chip. The company announced Thursday it ha... |
| 20.08.2026 | Callosum Raises $100M To Cut AI Costs By Routing Workloads To Specialized Chips | The human brain doesn’t use one giant processor for everything. It uses small circuits built for specific jobs. AI companies do the opposite, and it’s killing their margins. To change that, Callosum raises $100M to build software that route... |
| 20.08.2026 | Callosum Raises $100M in Seed Funding | Callosum, a London, UK-based systems software and artificial intelligence infrastructure startup, raised $100m in Seed funding. The round was led by Atomico, with participation from Plural and DCVC, alongside the UK Sovereign AI Fund. The c... |
| 20.08.2026 | Callosum raises $100M seed round | A UK AI startup that is building software infrastructure that allows AI workloads to run on different chips and AI models has raised $100m in an exceptionally high-value European seed round. Callosum has raised $100m in a seed round led by ... |
| 26.02.2026 | Callosum Raises $10.25M in Funding | Callosum, a London, UK-based AI infrastructure company for AI models, raised $10.25M in funding. The round was led by Plural, with participation form Advanced Research, Invention Agency (ARIA), Charlie Songhurst (Meta), Stan Boland (FiveAI)... |
| 26.02.2026 | UK AI infrastructure startup Callosum challenging AI Silicon Valley “monoculture” comes out of stealth | A UK AI infrastructure startup founded by Cambridge neuroscientists offering a counter view to the “monoculture” that believes superintelligence will come from a single “God-like” AI model running on identical chips has come out of stealth,... |
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