Cosine
AI-driven coding model for production software teams.
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Cosine is an AI tool designed for production software teams, offering maintainable code and real benchmarks. Deploy models securely with built-in visibility and ownership. Lumen, the AI model, optimizes for faster shipping of better code with fewer headaches.
Pros
- AI-driven coding
- Secure deployment
- Real benchmarks
Cons
- Limited to production use
- Coalition focus on UK institutions
FAQ
What is Lumen?
Lumen is Cosine's AI model optimized for better code.
Who is the coalition with?
Major UK defense, infrastructure, financial, healthcare, and technology leaders.
How does it compare to other models?
Outperforms GPT-5.4, Gemini Pro 3.1, and Kimi K2.6 in benchmarks.
Last updated: 2026-06-21