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

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

Launch
Building Lumen Sovereign: Cosine Forms Coalition with UK Industry Leaders

InsightsEngineering
Lumen Outpost Benchmark Report

LaunchInsights
Introducing Lumen Outpost

InsightsEngineering
Training for Vibe: A Structured Approach to AI Behaviour

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

InsightsEngineering
Training for Niche Languages: The Data Engine for Legacy Systems
Start building with Cosine
Turn production software work into a coordinated agent workflow, from research to shipping.