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Callosum · The routing layer across heterogeneous silicon — the software that decides which model runs on which chip, sitting between the chip makers and the teams buying inference.

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They split one AI job into parts and send each part to whichever model and whichever chip runs it cheapest or fastest, and sell that as an API.

Sector
Inference
Stage
Seed
On the roster since
15 Sept 2026

Company details

IndustryAI & Machine Learning
Funding
StageSeed
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