Cosine

Updates, research, and product thinking from the Cosine team.

How Cosine built a data engine for niche, legacy, and environment-constrained programming languages to improve Lumen Outpost.

Benchmark results for Lumen Outpost across Niche-Bench, Slop-Bench, Vibe-Bench, and cost per successful coding task.

Introducing Lumen Outpost, Cosine’s targeted post-trained coding model built to reduce slop, improve behaviour, and strengthen performance in niche languages.

Latest news, press coverage, and media resources for Cosine AI - the human reasoning lab building Genie, the world's best autonomous software engineer.

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Simple pricing for teams adopting Cosine, with credits for agent work and enterprise options for private deployment.

Cosine trains AI models and specialised coding agents for organisations that need frontier capability within secure environments.

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Era4 Ltd. builds U.K.-owned AI infrastructure on repurposed industrial sites, combining self-generated energy with Nvidia B300 systems and HPE Private Cloud AI. The company emphasizes domestic economic benefits, reinvesting revenue into local communities—such as a Newport, Wales, redevelopment including a vocational tech college and sports facilities—while partnering with U.K. firms like Cosine to support sovereign AI models. Era4’s model balances hardware ownership with licensing dependencies, arguing that financial sovereignty depends on retaining revenue within the nation rather than isolating the tech stack entirely.

Oct 2026SiliconANGLENews article

GitHubRepository owner

Cosine, a London-based AI startup founded in 2022, develops **Lumen Sovereign**, the UK’s first sovereign frontier AI model. The company secures **500,000 GPU hours** on the **Isambard-AI supercomputer** in Bristol to advance its work, but questions remain about its ability to attract talent and scale compute resources effectively. Backed by **$8 million** from investors including Lakestar and SOMA Capital, Cosine’s role as Britain’s national AI champion is under scrutiny by media outlets like the *Financial Times*.

Aug 2026AI WeeklyNews article

Cosine, a London-based AI start-up with around 30 employees, aims to develop a sovereign AI model for Britain. The company has secured $15 million in funding to pursue this goal, positioning itself as a potential competitor to OpenAI.

Aug 2026Yahoo FinanceNews article