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Vladimir Bazalenko, Founder, RendixUpdated Sep 24, 2026Rendix and Otterly.AI are AI visibility tools: both track how AI search engines such as ChatGPT, Perplexity and Google AI Overviews mention and cite your brand.
Pick Otterly.AI if 15 prompts are enough, or if you want Microsoft Copilot and a per-page GEO audit at the lowest entry price. Pick Rendix if you want 50 prompts on ChatGPT, Perplexity, Gemini and Google AI Overviews for $85, the searches engines actually ran, your Search Console and Bing index status, and a publishing plan after every scan.
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Rendix is our product. We re-check the Otterly.AI figures on this page every week. Something out of date? hi@rendix.io
best AI visibility tools for startups
It cited 9 pages from 9 sites: the home pages of the five tools it named and four comparison articles.
Features
The Otterly.AI column is read from Otterly.AI's own pricing page, help center and blog. Where its pages disagree, the cell says which one it follows.
| Feature | Rendix | Otterly.AI |
|---|---|---|
| Coverage | ||
| AI engines on the entry plan | ChatGPT, AI Overviews, Perplexity, Copilot | |
| Other engines | SoonClaude and Grok as add-ons, $50/mo per 50 prompts; Copilot and AI Mode are not tracked | Paid add-onsAI Mode and Gemini from $9/mo, Claude from $29/mo on Lite |
| Prompts on the entry plan | 50150 on Pro, 350 on Scale | 15100 on Standard; no extra prompts on Lite |
| Refresh | Mon · Wed · FriPlus 30 re-runs a month on demand | DailyNo manual re-runs |
| Countries and languages | 1 region and language per brand | 70+ countriesThe help center says 70+, the features page 65+, the pricing page 50+per Otterly.AI's help center ↗ |
| Measure | ||
| Visibility, position and share of voice | Brand coverage, position and a visibility index | |
| Sentiment | ||
| Cited pages and domains | Cited videos and Reddit threads too | Domains and URLs, checked daily |
| Search results behind each answer | ChatGPT and Perplexity; Gemini shows domains only | Not listed |
| Answers checked against your brand facts | Soon | Not listed |
| Discover | ||
| Query fan-outsThe searches an engine runs behind an answer | Captured from real answers: Gemini and Perplexity on most, ChatGPT only when it shows them | SimulatedGenerated for a prompt in the GEO audit; fan-outs captured from tracked answers are not listedper Otterly.AI's help center ↗ |
| New prompt ideas | Market research twice a month (150 fresh questions each) and 5 topic deep-dives | From a keyword, your brand or Search Console queries |
| Prompt demand or volume | – | Intent volume, 1 to 5per Otterly.AI's help center ↗ |
| Your site | ||
| Technical site auditCrawlability, indexation, sitemap, canonicals | Per pageGEO URL audit: AI crawler access and content readiness; 1,000 audits a month on Lite, per the pricing pageper Otterly.AI's help center ↗ | |
| Search Console and Bing index status | Connect your own properties | Not listed |
| AI crawler visits per page | Soon | Agent Analytics from your logs, Standard and up |
| Visitors from AI answers | From your GA4, read-only | Not listed |
| Act | ||
| Recommended actions | A publishing plan with a brief per piece after every scan | Recommendations, in beta; up to 3 a week on Liteper Otterly.AI's help center ↗ |
| Content drafted for you | Soon | |
| Platform | ||
| Seats | 1 owner loginTeam seats are on the roadmap | Unlimited team members |
| MCP and API | Soon | Standard and up |
| Data export | Site audit as CSV | CSV, JSON and PDF on every plan |
| Several brands or clients | 2 on Pro, 5 on Scale$195/mo and $355/mo | Partner program on Standard and up |
| SOC 2 | – | |
| Free trial | 7 daysCard on file, cancel before it ends | 7 days, no card50 prompts; some Otterly.AI pages still say 14 daysper Otterly.AI's help center ↗ · per Otterly.AI's prompt research page ↗ |
| Starting price | $85/mo$68/mo billed yearly | $29/mo$25/mo billed yearly; USD or EUR by location |
✓ included · – not offered · Not listed: not found on their pages · Soon: on our roadmap. Otterly.AI facts checked Sep 24, 2026 on Otterly.AI's own pages; prices and plans on otterly.ai/pricing
Pricing
Otterly.AI starts lower than Rendix. The gap is in prompts and engines: Lite covers 15 prompts, 100 start at Standard for $189, and Gemini and AI Mode cost extra on every plan.
From rendix.io/pricing
Add-ons on Lite: AI Mode or Gemini $9/mo each, Claude $29/mo; +100 prompts $99/mo from Standard. Checked Oct 12, 2026 on otterly.ai/pricing
Differences
Rendix: ChatGPT, Perplexity, Gemini and Google AI Overviews on every plan. Microsoft Copilot, Google AI Mode and Claude are not tracked.
Otterly.AI: ChatGPT, Google AI Overviews, Perplexity and Microsoft Copilot on every plan. Google AI Mode, Gemini and Claude are paid add-ons, from $9 a month on Lite.
Rendix: ChatGPT from the chat with web search on, with the search results it read and the pages it cited. Perplexity through its official API, Gemini through Google's grounded API, AI Overviews from Google results.
Otterly.AI: Through each engine's website, the way a person asks. Claude is the exception, tracked through its API. per Otterly.AI's help center ↗
Rendix: The searches engines actually ran, captured from tracked answers and grouped across your prompts: Gemini and Perplexity expose them on most answers, ChatGPT only on a few.
Otterly.AI: A fan-out tool inside the GEO audit that generates the queries an engine may run for a prompt you enter. Fan-outs captured from tracked answers are not listed. per Otterly.AI's help center ↗
Rendix: A technical audit of crawlability, indexation, sitemap and canonicals, with your Search Console and Bing index status per page. Crawler visits per page are on the roadmap.
Otterly.AI: A per-page GEO audit that checks which AI crawlers your server and robots.txt allow and scores content readiness, plus AI crawler logs from Standard. Search Console and Bing index status are not listed. per Otterly.AI's help center ↗ · per Otterly.AI's help center ↗
Fit
Questions
/ Updated Sep 24, 2026Something else? Write to hi@rendix.io.
Yes, if you need more than 15 prompts without moving to $189: Rendix tracks 50 prompts on ChatGPT, Perplexity, Gemini and Google AI Overviews for $85 a month.
If you want Copilot, per-page GEO audits or the lowest entry price, Otterly.AI fits better.
Lite is $29 a month for 15 prompts, Standard $189 for 100, Premium $489 for 400, and Enterprise is custom. Yearly billing is about 15% less.
Google AI Mode, Gemini and Claude cost extra on every plan. Checked on Otterly.AI's pricing page on Oct 12, 2026.
Yes: 7 days, no credit card, 50 prompts, per its help center. Some Otterly.AI feature pages still mention 14 days.
Rendix has a 7-day trial on Growth with a card on file; cancel before it ends and you pay nothing.
ChatGPT, Google AI Overviews, Perplexity and Microsoft Copilot on every plan, with Google AI Mode, Gemini and Claude as paid add-ons.
Rendix tracks ChatGPT, Perplexity, Gemini and Google AI Overviews on every plan.
Through each engine's website, the way a person asks, and through the API for Claude.
Rendix captures ChatGPT from the chat with web search on, Perplexity through its official API and Gemini through Google's grounded API.
It has a fan-out tool in the GEO audit that generates the queries an engine may run for a prompt. Rendix stores the searches engines actually ran behind tracked answers: Gemini and Perplexity on most, ChatGPT when it shows them.
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