The Telegraph · Jun 2026
Telegraph coverage of Cosine and Lumen Sovereign, highlighting the company’s push toward sovereign UK AI infrastructure and its positioning as an alternative to restricted US options.
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Updated Jul 30, 2026
Overview
Cosine (Buildt AI Limited) is a London-based, YC-backed AI software company building Lumen/Genie, an autonomous coding agent and model system for production software engineering. Its product spans CLI, desktop, cloud, and enterprise air-gapped deployments, with an explicit emphasis on maintainable code, legacy systems, and sovereign/security-sensitive use cases.
Primary product
Lumen / Genie autonomous AI coding agent for production software engineering
Founded
2022
Headquarters
London, United Kingdom
Team size
20-30
Work style
Onsite
Industry
Software Development
Sub-industry
AI software engineering agent / generative AI software