AT&T and Microsoft scale trillion-token workloads with Microsoft Foundry and AMD

AT&T built Open Telco 2.0, a telecom-domain AI model, using Microsoft Foundry Managed Compute with 530 GPUs (430 AMD MI300X) to process trillion-token workloads across multiple open models including Phi-4, enabling faster iteration and lower costs than traditional infrastructure approaches.

This Wire brief sits within Fusion42's coverage of AI Infrastructure and AI Frontier Models. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.