Cosine is building frontier model intelligence. Our models have topped public 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.
| Website | https://www.cosine.sh |
| Employees | 40 (21 on RocketReach) |
| Industry | Software Development |
| Keywords | Artificial Intelligence, Ai Model Training, Synthetic Data Generation, Cognitive Ai, Machine Learning, Ai Development, Ai Solutions, Deep Learning, Ai Services, Data Augmentation, Machine Learning Models, Data Science, Ai Consulting, Ai Technology, Algorithm Development |
| Competitors | Amazon, Microsoft, IBM, Google, OpenAI, Snowflake, DataRobot, C3 AI, Hugging Face, Datarama +44 more (view full list) |
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Cosine Questions
Alistair Pullen is the Co-Founder of Cosine.
21 people are employed at Cosine.
Top Cosine Employees
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Alistair Pullen
Co-Founder at Cosine
London, GB11 -
Pandelis Zembashis
CTO at Cosine
London, GB1 -
32
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Tom Dowley
Head of Engineering at Cosine
United Kingdom1 -
Matt Rauscher
Founding Sales Lead at Cosine
London, England, GB11 -
Yang Li
Cofounder at Cosine
United Kingdom23 -
Sam Stenner
Cofounder at Cosine
London, GB1 -
Adrian Holt
Founding Defence Lead at Cosine
London, GB2 -
1
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Sarah Monette
Head of Marketing at Cosine
London, GB13
