Cosine (@CosineAI) — Twitter Score 10 out of 1000

Cosine is a sovereign AI and autonomous software-engineering company that builds secure frontier models and production-grade coding agents for defence and regulated industries. Cosine's Twitter Score is 9.6 out of 1000 as of October 2026, ranking #97,719 among 493,668 tracked accounts.

Cosine was co-founded by Alistair Pullen as CEO, Yang Li as COO, and Sam Stenner as CTO. Its core proposition centres on AI systems that run entirely within customer-controlled, air-gapped environments, making them suitable for critical infrastructure and regulated sectors. Yang Li previously served as VP of Europe for Luno, the consumer arm of Digital Currency Group, before co-founding the company.

Cosine launched Genie, an autonomous AI-powered software-engineering product, in August 2024. That same month, the company raised $2.5 million in seed funding led by UpHonest Capital and SOMA Capital, with participation from Lakestar, Focal, and others. Cosine is also backed by Y Combinator and Gaingels.

Cosine received access to the UK AI Research Resource, comprising over three million GPU hours, as part of the UK Sovereign AI programme. Cosine has 5,213 followers as of October 2026 and has published 582 posts. The account has been mentioned by 11 accounts a total of 19 times.

Who follows Cosine on X?

The accounts that follow Cosine include 50 founders, 12 angel investors and 12 influencers, among them Andrew Kang, Sriram Krishnan, Alex Atallah, dcbuilder.eth, OhhShiny and Marc Weinstein.