Be cited everywhere.
Track brand mentions across ChatGPT, Gemini, Claude, Perplexity, Grok and Google AI Overviews. The future of SEO is AI visibility — own your presence inside LLMs.
30-day AI visibility growth
Platform visibility
Citation intelligence across every major AI search engine.
ChatGPT
AI citation intelligence
Gemini
AI citation intelligence
Perplexity
AI citation intelligence
Claude
AI citation intelligence
Grok
AI citation intelligence
Google AI Overviews
AI citation intelligence
Citation trend intelligence
Visibility index across AI engines — 6 weeks
Citation share
Market share of AI citations
Own visibility across LLMs
The future of SEO is AI visibility.
Traditional rank tracking stops at Google. Lumen measures how often you're cited, recommended, and surfaced inside generative answers.
Prompt citation tracker
Real-time brand citation across LLM answers
| Prompt | Engine | Cited | Position | Sentiment | Date |
|---|---|---|---|---|---|
| Best SEO tools | Perplexity | Yes | 2 | positive | 2026-05-26 |
| Top AI SEO platforms | ChatGPT | Yes | 1 | positive | 2026-05-26 |
| Best AI visibility tools | Gemini | No | — | neutral | 2026-05-25 |
| SEO software for startups | Claude | Yes | 3 | positive | 2026-05-25 |
| Generative engine optimization tools | Perplexity | Yes | 1 | positive | 2026-05-24 |
| LLM brand monitoring | Grok | No | — | neutral | 2026-05-24 |
| AI search visibility platform | ChatGPT | Yes | 2 | positive | 2026-05-23 |
| Semrush alternatives with AI | Google AI Overviews | Yes | 4 | neutral | 2026-05-23 |
AI search monitoring
Track prompts like “best SEO tools for agencies” — monitor brand visibility across LLMs.
best seo tools for agencies
4 engines · 68% visibility · Today
68%ai visibility tracking software
5 engines · 72% visibility · Today
72%chatgpt seo optimization
2 engines · 45% visibility · Yesterday
45%
Compare competitors on the same prompts in Pro
Competitor AI visibility
AI share of voice · citation overlap · visibility benchmark
AI share of voice
GEO Score
Generative Engine Optimization — composite AI visibility index
78
+12% vs last month
AI Overview optimization
Why your brand may not appear in AI answers — and how to fix it.
Missing authority signals in AI training corpus
Publish original research, earn citations from .edu and industry publications.
Weak semantic entity relevance
Strengthen Organization schema and consistent brand entity across pillars.
Low topical coverage for commercial prompts
Build comparison and “best of” content clusters with structured data.
Citation trust below category leaders
Increase E-E-A-T: author bios, case studies, verified reviews.
Content gaps vs. competitors on GEO terms
Target “generative engine optimization” and LLM visibility keywords.
Real-time AI alerts
New citation detected
ChatGPT cited your brand for “best AI SEO platforms”
2h ago
Competitor gain
ahrefs.com +4% share on Perplexity prompts
5h ago
Visibility dip
Gemini visibility down 3% on commercial prompts
1d ago
Trending prompt
“GEO optimization tools” up 240% in AI searches
1d ago
Export & reporting
PDF reports · share links · weekly AI visibility digests
Unlock AI Visibility Pro
Enterprise-grade citation intelligence, API access, and unlimited prompt monitoring.