Your private, planet-friendly AI assistant from the UK.
Meet GB1 — the private, planet‑friendly AI assistant from the UK. Built as an alternative to big tech AI, GB1 runs on 100% renewable UK energy, never trains on your chats, and keeps your data in the UK. Powered by Locai L1 Large, the first British foundational AI model, GB1 delivers frontier performance without trading privacy, principles or the planet. Create Spaces for projects, chat across web and mobile, and help shape the roadmap by voting on features. Available now on web & mobile
GB1's Locai L1 model scores 72.9% on Human Preference Arena (outperforming GPT-5, Gemini, Claude) and 41.5% on instruction following. Users get world-class reasoning and conversational ability without compromising on performance for privacy.
GB1 provides end-to-end encryption, UK data residency, GDPR compliance, and ISO-27001 certification. Conversations are never used to train models or monetized. This allows users to interact with AI without surrendering privacy to Big Tech platforms.
GB1 features community-directed development where users democratically influence future features and roadmap decisions. This gives users agency and accountability in AI governance, unlike closed proprietary systems.
GB1's Locai L1 model achieves 74.5% on BritLLM and supports Welsh, Irish, Scottish, and Gaelic. Users in UK regions and Celtic-speaking communities get native language support unavailable in mainstream AI assistants.
GB1 runs on 100% renewable UK-generated energy with lean-by-design models that use less compute than comparable systems. Users reduce their carbon footprint while using AI, aligning with environmental values.