Cosine

Cosine

Building frontier AI for sovereign environments

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Industry
Software Development
Company size
40 people
Headquarters
London
Type
Privately Held
Total funding
$3.5M

Cosine is building frontier model intelligence. Our models have topped benchmarks for two consecutive years, outperforming OpenAI, Anthropic, Mistral, and DeepSeek. We are also Britain's sovereign AI frontier lab. Selected by the UK government for its £500m Sovereign AI programme, we are the first company to train, own, and deploy a fully sovereign AI model entirely on UK soil with access to the Isambard-AI supercomputer. Cosine can be deployed air-gapped and on-premise for defence, national security, and critical infrastructure, where foreign AI is legally off the table.

Artificial Intelligence Artificial Intelligence (AI) Developer Platform Developer Tools Machine Learning Natural Language Processing SaaS

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