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AI Infrastructure5 articles

Latest news, updates, and announcements from Callosum.

UK Sovereign AI Fund Makes First £500M Investment in Chip Interoperability Firm Callosum.
FundingApr 17, 2026

UK Sovereign AI Fund Makes First £500M Investment in Chip Interoperability Firm Callosum.

UK Sovereign AI Fund Makes First £500M Investment in Chip Interoperability Firm Callosum. The UK government has launched the 'Sovereign AI' fund, a £500 million initiative to invest in domestic AI sta...

The UK’s £500 m Sovereign AI fund has made its first equity investment in Callosum, a heterogeneous...
FundingApr 17, 2026

The UK’s £500 m Sovereign AI fund has made its first equity investment in Callosum, a heterogeneous...

The UK’s £500 m Sovereign AI fund has made its first equity investment in Callosum, a heterogeneous AI orchestration platform, and allocated up to 1 million GPU hours to seven startups. Callosum’s sof...

London-based Callosum raised $10.25M to orchestrate AI workloads across heterogeneous chips, challen...
FundingMar 8, 2026

London-based Callosum raised $10.25M to orchestrate AI workloads across heterogeneous chips, challen...

London-based Callosum raised $10.25M to orchestrate AI workloads across heterogeneous chips, challenging NVIDIA's GPU monoculture. Their platform delivers 2x accuracy, 7x faster performance, and 4x lo...

Zettafleet, a stealth AI startup from Cambridge University's Machine Learning Systems Lab, has unvei...
TechnologyMar 3, 2026

Zettafleet, a stealth AI startup from Cambridge University's Machine Learning Systems Lab, has unvei...

Zettafleet, a stealth AI startup from Cambridge University's Machine Learning Systems Lab, has unveiled its first product targeting Nvidia's dominance in LLM training with claims of 74-75% cost reduct...

London-based Callosum has raised $10.25M to build multi-chip AI orchestration software that challeng...
FundingFeb 27, 2026

London-based Callosum has raised $10.25M to build multi-chip AI orchestration software that challeng...

London-based Callosum has raised $10.25M to build multi-chip AI orchestration software that challenges Nvidia's 85% dominance in AI compute. Backed by Plural and the UK's ARIA, the Cambridge-founded s...

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