Elmo vs OtterlyAI
Elmo is an open-source, self-hostable alternative to OtterlyAI, an AI visibility tracking tool. Both measure how AI answer engines describe your brand, but Elmo ships every line of code, runs on your own infrastructure, and is free to self-host — so your data stays yours and each metric is independently verifiable.
The short version
OtterlyAI doesn't list Grok among its engines. Elmo has all of that, and it's free to self-host.
Elmo
Open-source AEO platform. Self-host for free, forever. Track AI visibility across ChatGPT, Claude, and Google AI Overviews with full transparency.
OtterlyAI
Gartner Cool Vendor 2025 with GEO Audit (25+ factors)
About OtterlyAI
OtterlyAI was named a Gartner Cool Vendor 2025, won a 2026 European Search Award, and reports more than 30,000 users. It tracks ChatGPT, Perplexity, Google AI Overviews, and Copilot, with Gemini, AI Mode, and Claude as paid add-ons. Its GEO Audit checks 25+ on-page factors for AI readability, and it offers AI keyword research and a Looker Studio connector.
Popularity grade: A
- Gartner Cool Vendor 2025, 30,000+ users
- Gemini, AI Mode, and Claude are paid add-ons
- GEO Audit evaluating 25+ on-page factors
Feature comparison
| Feature | Elmo | OtterlyAI |
|---|---|---|
| Core Tracking | ||
| Multi-LLM Tracking | Yes | Yes |
| AI Visibility Score | Yes | Yes |
| Citation Analytics | Yes | Yes |
| Competitor Benchmarking | Yes | Yes |
| Brand Mention Tracking | Yes | Yes |
| AI Engines | ||
| ChatGPT | Yes | Yes |
| Google AI Overviews | Yes | Yes |
| Google AI Mode | Yes | Yes |
| Gemini | Yes | Yes |
| Perplexity | Yes | Yes |
| Microsoft Copilot | Yes | Yes |
| Claude | Yes | Yes |
| Grok | Yes | No |
| DeepSeek | Yes | No |
| Meta AI | Yes | No |
| Any Model | Yes | No |
| Real UI Answers | Yes | No |
| Bring Your Own Keys | Yes | No |
| Platform | ||
| White-Label / Agency | Yes | Yes |
| Open Source | Yes | No |
| Content Generation | No | No |
| Advanced Analytics | ||
| Prompt Volume Estimates | No | No |
| Sentiment Analysis | Yes | Yes |
| Query Fan-Out | Yes | No |
| AI Crawler Analytics | No | Yes |
| Geographic Tracking | No | Yes |
| Social Media Tracking | No | No |
| Shopping Tracking | No | No |
| Multi-Language | No | Yes |
| Actionable Insights | ||
| Action Recommendations | Yes | Yes |
| Content Gap Analysis | Yes | No |
| AI Site Audits | No | Yes |
| AI Keyword Research | Yes | Yes |
| Reporting & Integration | ||
| Email Alerts | No | Yes |
| API Access | Yes | Yes |
| TypeScript SDK | Yes | No |
| Python SDK | Yes | No |
| MCP Access | Yes | Yes |
| BI Connectors | No | Yes |
We last checked OtterlyAI against its own site in Oct 2026. Spot an error? Suggest a correction or edit the data on GitHub.
Key differences
Only in Elmo
- Grok
- DeepSeek
- Meta AI
- Any Model
- Real UI Answers
- Bring Your Own Keys
- Open Source
- Query Fan-Out
- Content Gap Analysis
- TypeScript SDK
- Python SDK
Both offer
- Multi-LLM Tracking
- AI Visibility Score
- Citation Analytics
- Competitor Benchmarking
- Brand Mention Tracking
- ChatGPT
- Google AI Overviews
- Google AI Mode
- Gemini
- Perplexity
- Microsoft Copilot
- Claude
- White-Label / Agency
- Sentiment Analysis
- Action Recommendations
- AI Keyword Research
- API Access
- MCP Access
Only in OtterlyAI
- AI Crawler Analytics
- Geographic Tracking
- Multi-Language
- AI Site Audits
- Email Alerts
- BI Connectors
Why choose Elmo over OtterlyAI?
Open source and transparent
Every line of code is open. You can verify exactly how your visibility data is collected, calculated, and presented. No black boxes.
Self-host for free, forever
Run Elmo on your own infrastructure. The core platform is free and always will be, and Elmo Cloud is there if you would rather not run it yourself.
Your data, in your stack
Pull every metric, sentiment included, into your own code with the REST API and TypeScript and Python SDKs, or ask Claude Code and Cursor about it over MCP. Export, fork, or migrate at any time.
Built to last
Bootstrapped and sustainable. No investors pushing towards dark patterns. We'll outlast the companies taking too much VC money.
Frequently Asked Questions
- What is the difference between Elmo and OtterlyAI?
- Elmo is an open-source, self-hostable AI visibility platform, while OtterlyAI is a closed-source AI visibility tracking tool. Both track how AI answer engines describe your brand, but Elmo gives you the full source code and runs on your own infrastructure, so you can verify every metric and keep your data in-house.
- Is Elmo a free, open-source alternative to OtterlyAI?
- Yes. Elmo is a free, open-source alternative to OtterlyAI. You can self-host the full platform at no cost, read every line of code, and track your AI visibility across ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews without per-seat or per-prompt fees.
- Is OtterlyAI open source?
- No, OtterlyAI is a hosted product without public source code. Elmo is fully open source, so you can read how each metric is calculated, self-host it on your own infrastructure, and take your data with you.
- How do Elmo and OtterlyAI compare on sentiment analysis, API access, and MCP?
- Elmo includes all three: a 0 to 100 sentiment score for every AI answer that mentions you, a REST API with TypeScript and Python SDKs, and an MCP server so assistants like Claude Code and Cursor can query your data. OtterlyAI offers all three as well.
- Can I self-host Elmo instead of OtterlyAI?
- Yes. Elmo is designed to be self-hosted — deploy it on your own infrastructure in minutes with the CLI. You keep full ownership of your data and prompts, with no per-seat pricing and no third-party dashboard holding your visibility history.
Ready to track your AI visibility?
Deploy Elmo in minutes and start monitoring how ChatGPT, Claude, and Google AI Overviews talk about your brand.