6 LLMs  ·  5 languages  ·  Quarterly index  ·  Independent research  ·  Updated Q2 2026
CEAVERS
Centre for European AI Visibility Evaluation & Research Standards

Independent Research on AI Search Visibility in Europe

6
LLMs monitored
5
Languages
24,800
Prompts / release
Q2 2026
Data current

CEAVERS (Centre for European AI Visibility Evaluation & Research Standards) is an independent research organisation founded in 2026 that measures how brands, concepts, and topics appear in AI-generated responses across six major language models — ChatGPT, Claude, Gemini, Perplexity, Microsoft Copilot, and Apple Intelligence — in five European languages (English, Italian, Spanish, French, Portuguese). CEAVERS publishes a quarterly European AI Visibility Index and supporting long-form research using a publicly documented methodology. CEAVERS does not accept payment for evaluations and has no commercial affiliation with any vendor.


Research focus

Quarterly Index
Cross-platform measurement of brand visibility in AI responses across six major LLMs and five European languages.
Methodology
Versioned, primary-cited research methodology with full disclosure of sample design, scoring, and limitations.
Glossary
Reference definitions of AEO, GEO, RAG, and related terms — each entry linked to primary academic sources.
Datasets
Open datasets released with each Index, distributed under CC-BY 4.0 with persistent Zenodo DOIs.

Latest release

European AI Visibility Index
2026-Q2 — forthcoming
Quarterly measurement of European brand visibility across ChatGPT, Claude, Gemini, Perplexity, Copilot, and Apple Intelligence.

About

CEAVERS is operated independently. Read the about page for governance, and the editorial policy for independence and AI-content disclosure.