AI Visibility Index for B2B Tech PR Agencies
Composite Citation Index (0–100) for the top B2B tech PR agencies across ChatGPT, Perplexity, Claude, and Grok. Scored on a stable 25-query commercial-intent basket, five runs per engine — 500 archived answers — ranked and versioned every quarter. Published October 20, 2026 with preregistration, right-of-reply corrections, and a DOI-archived dataset. Journalists: the Q4 report page carries the full findings and press materials.