Unified prompt library
The same buyer questions run everywhere — apples-to-apples comparison across engines.
ChatGPT · Gemini · Perplexity
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Multi-engine
Buyers don't use one engine. MentionX measures mention, citation, and share of voice across ChatGPT, Gemini, Grok, Perplexity, and Claude — with the same prompt methodology.
Open the cut →Why it matters
Outcomes
Platform
The same buyer questions run everywhere — apples-to-apples comparison across engines.
Dashboard views show where you win, tie, or lose per engine and per prompt cluster.
Weekly refresh on supported plans — track movement without manual re-checks.
Evidence first
Stored engine answers before scores. No fabricated query volumes. Published methodology.