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Product updates, research notes, and practical writing about building production software with AI agents.

Public Request For Input Blog Cover

Shaping UK Sovereign AI: The Lumen Sovereign Public Request for Input is Live

Help shape the future of Britain’s first sovereign frontier AI. Cosine is seeking public input on capabilities, use cases, and governance for Lumen Sovereign, our secure, UK-built model for critical sectors.

Launch2 min read

Recent blog posts

Air-Gapped vs Cloud AI: Enterprise deployment cost comparison blog cover
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Air-Gapped vs Cloud AI: Enterprise Cost Comparison

Building Lumen Sovereign: Cosine Forms Landmark UK Industry Coalition Blog Cover
Launch

Building Lumen Sovereign: Cosine Forms Coalition with UK Industry Leaders

Lumen Outpost Benchmark Report
InsightsEngineering

Lumen Outpost Benchmark Report

Introducing Lumen Outpost
LaunchInsights

Introducing Lumen Outpost

Training for Vibe: A Structured Approach to AI Behaviour
InsightsEngineering

Training for Vibe: A Structured Approach to AI Behaviour

Training Against Slop: A Structured Approach to AI Code Quality
InsightsEngineering

Training Against Slop: A Structured Approach to AI Code Quality

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