Coverage
Every assistant your buyers ask. Tracked.
webem.io continuously polls the AI engines shaping purchase decisions in 2026 — so you know who's named, who's cited, and how sentiment shifts week to week.
The lineup
Eight engines. One unified score.
We weight each engine by audience share in your market. New entrants are added within two weeks of public launch.
ChatGPT
GPT-4o, GPT-5 and search-enabled mode. Tracks browsing citations and shopping cards.
Claude
Claude Sonnet & Opus with web tool. Sentiment-rich answers; tracked at prompt level.
Perplexity
Source citations parsed line-by-line. Domain authority weighted in scoring.
Gemini
Gemini 2.5 Pro answers and AI Overviews inside Google Search.
Copilot
Bing-grounded Copilot answers across web, work and Edge sidebar.
Meta AI
Assistant inside Instagram, WhatsApp and Messenger. Recommendation-heavy.
Mistral Le Chat
European assistant with web search. Strong in EU buyer prompts.
You.com
Multi-model assistant. Useful for cross-checking source mixes.
Per-engine intelligence
Not all assistants reward the same playbook.
Perplexity loves clean citations. Claude leans on community sentiment. ChatGPT's shopping mode weights structured product data. We surface what each engine actually rewards — so your team can prioritize.
- Source-mix heatmap per engine
- Citation domains ranked by recurrence
- Sentiment delta versus your top competitors
- Weekly diff with what changed and why
Methodology
How we measure visibility.
A transparent, repeatable pipeline. No black boxes.
Prompt mining
We crowdsource and cluster the prompts your buyers actually type — by region, intent and funnel stage.
Live polling
Each prompt is fired across every engine on a recurring cadence — daily for hot terms, weekly otherwise.
Scoring
Answers are parsed for mention, position, sentiment and sources. Aggregated into a single visibility score.
See your visibility across every engine.
One dashboard. Eight assistants. Weekly insights.
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