According to AlphaMoat, as of 2026-09, the Chrome extension Fanout Lens has 107 users (+2.9% MoM), rated 5 (3 reviews) — ranked #4,111 of 9,324 AI browser extensions, and #368 of 888 in Marketing & Sales.
What is Fanout Lens
Reveal ChatGPT, Claude, and Perplexity search fanout in real time. # 🚀 Fanout Lens: AI Query Fan-Out Tracker for ChatGPT, Claude & Perplexity
**See What AI Actually Searches**
Fanout Lens reveals the hidden query fan-out generated by AI assistants like ChatGPT, Claude, and Perplexity when they browse the web to answer your prompts.
Instead of running a single search, AI rewrites, expands, and explores your prompt through multiple search queries before generating an answer. Fanout Lens lets you see that entire research process in real time.
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## 🔍 Why It Matters
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AI doesn't search the web the way humans do.
Behind every response, it breaks your prompt into multiple search queries—testing different wording, exploring related topics, and gathering information from multiple angles.
With Fanout Lens, you can:
- See every search query generated by AI during web research
- Understand how AI interprets and expands your prompts
- Discover hidden query strategies and search patterns
- Improve prompt engineering and AI outputs
- Gain valuable insights for SEO, GEO, content strategy, and AI research
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## ⚔️ Diff Mode — Compare AI Models Side-by-Side
Run the same prompt across multiple AI assistants and compare exactly how each one searches the web.
Compare the query fan-out of:
- ChatGPT
- Claude
- Perplexity
Analyze differences in:
- Query generation strategies
- Search depth and breadth
- Prompt interpretation
- Research behavior
Understand which AI is best suited for different research tasks.
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## 🧠 Key Features
- **Live Query Fan-Out** — Capture every search query generated during AI web browsing
- **Diff Mode** — Compare query fan-outs across ChatGPT, Claude, and Perplexity
- **Campaigns** — Organize searches by client, topic, or project
- **Copy & Export** — Instantly copy queries or export structured reports
- **Multi-Platform Support** — Works seamlessly with ChatGPT, Claude, and Perplexity
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## 🎯 Built for Power Users
Perfect for:
- SEO professionals
- GEO specialists
- Digital marketers
- Prompt engineers
- Researchers
- Developers
- Content strategists
- AI enthusiasts
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## 🔐 Privacy First
Fanout Lens runs entirely in your browser.
- No tracking
- No external servers
- No data collection
- Your searches stay private
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## 🏢 Built by Whirlwind Labs
Created by Whirlwind Labs—the innovation division of Whirlwind, focused on AI, SEO, and performance marketing.
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## 💡 Why Install Fanout Lens?
Because AI isn't simply answering your question.
It's planning, rewriting, expanding, and executing an entire search strategy behind the scenes.
**Fanout Lens lets you watch that strategy unfold—and compare it across AI models.**
Extension profile
User Growth Trend
Popular in Marketing & Sales
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Data month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.