Central Digital and Data Office (2025) Government website / press release

Artificial Intelligence Playbook for the UK Government

CDDO

Ref: SRC-001-GBR-002

https://www.gov.uk/government/publications/ai-playbook-for-the-uk-government/artificial-intelligence-playbook-for-the-uk-government-html

Accessed: 3/24/2026

Summary

UK Government AI Playbook containing two detailed case studies on GOV.UK Chat: one covering the technical experiment (RAG architecture, OpenAI API, Google Cloud hosting, phased testing with 1,000 users, 70% usefulness rating, 80% accuracy, DPIA and red teaming safeguards) and one on user research methodology (SME accuracy evaluation, two-phase testing, 69% usefulness, accuracy rated on par with human-written answers).

View Harvard reference

Central Digital and Data Office (2025) Artificial Intelligence Playbook for the UK Government. London: CDDO. Available at: https://www.gov.uk/government/publications/ai-playbook-for-the-uk-government/artificial-intelligence-playbook-for-the-uk-government-html (Accessed: 24 March 2026).

Linked Cases (1)

GBR-002 GBR Pilot / Controlled Trial Phase

GOV.UK Chat

Social assistance Foundation model