Otterly vs Ahrefs

Otterly monitors AI search on four base engines with audits and recommendations: mentions, sentiment, citations, a crawlability checker and prompt research. Ahrefs is the research index: backlinks, keywords and Brand Radar's 475M-prompt AI visibility database across seven AI platforms, powered by the web's second-most active crawler. They compete only where the categories overlap; the ledger below lines them up dimension by dimension so the differences carry the decision.

Otterly. Otterly monitors AI search on four base engines with audits and recommendations: mentions, sentiment, citations, a crawlability checker and prompt research. Pricing: Lite $29, Standard $189 and Premium $489 a month with four engines included; Claude costs $29 to $439 a month extra by tier, Gemini and AI Mode $9 to $149 each.

Ahrefs. Ahrefs is the research index: backlinks, keywords and Brand Radar's 475M-prompt AI visibility database across seven AI platforms, powered by the web's second-most active crawler. Pricing: Lite $129, Standard $249 and Advanced $449 a month with 5 to 20 tracked AI prompts; full Brand Radar runs $398 (selected platforms) to $699 (all platforms), and prompt packs start at $50 for 2,500 checks.

Every cell below was read from the vendor’s own rendered pages (otterly.ai, /pricing, /features; ahrefs.com/pricing and /brand-radar), as of August 2026. Where a vendor’s public pages neither confirm nor deny a capability, the cell says so.

Open questions on each side, from the same rendered pages. Otterly: claude, Gemini and AI Mode are paid add-ons; grok and DeepSeek absent from all lists; no content writer and no CMS publishing. Ahrefs: claude and DeepSeek absent from the AI lineup; google rank updates are weekly on every tier; aI prompt tracking metered small on core plans.

Rank.ai is built for the loop that usually falls between these two products. It puts your market’s buying questions to seven AI engines every day, ChatGPT, Claude, Gemini, Perplexity, Grok, Google AI Overviews and DeepSeek, three samples per engine, and records every answer with the brands named and the sources cited. It checks your Google rankings daily on every plan and scans a geo-grid of your Google Maps rank across your service area. And it finishes the job: the article pipeline researches, writes and publishes the missing pages into WordPress, Webflow, Shopify or WordPress.com with your approval, 10 a month included on the $0 plan.