Most brands have never measured their Citation Share — the percentage of relevant AI answers where they appear. The 2026 five-step audit framework for ChatGPT, Claude, Perplexity, Gemini, Google AI Overviews, and Microsoft Copilot. Two to four hours, in-house executable.
Bing didn't disappear — it became Microsoft Copilot. The 2026 playbook for getting brands cited inside Copilot answers: the 7-input retrieval stack, how Copilot differs from Google AI Overviews and ChatGPT Search, the tactical steps, and how to measure Citation Share for Bing/Copilot.
The original Bing vs Google war was a search engine fight. The new one is a citation share war across ChatGPT, Claude, Gemini, Perplexity, and Microsoft Copilot — five fronts, not two.