AI Search Optimization Tools: Pricing and Limits
A direct comparison of verified software pricing, tracked prompt allowances, and model coverage across dedicated GEO trackers and marketing platforms.
Software pricing for dedicated AI search optimization tools starts at $29 per month for entry-level tracking, while enterprise marketing suites scale past $1,499 per month.35
Dedicated GEO Trackers: Otterly.AI vs. Peec AI
Otterly.AI Lite costs $29 per month for 15 search prompts and 1,000 GEO audits per month.3
Otterly.AI includes ChatGPT, AI Overviews, Perplexity, and Copilot in core plans. Adding Google Gemini or Google AI Mode costs an extra $9 per month on Lite, $59 on Standard, and $149 on Premium. Adding Claude costs $29 per month on Lite, $109 on Standard, and $439 on Premium. Standard and Premium tiers can add 100 extra search prompts for $99 per month or $1,020 annually.13
Peec AI structures its self-service tiers around prompt volume and project allocations while capping model choices. Starter includes 50 prompts, 3 selectable models, daily tracking frequency, and 1 project. Pro includes 150 prompts, 3 selectable models, and 2 projects. Advanced offers 350 prompts, 3 selectable models, 5 projects, multi-country coverage, and Looker Studio integration. Enterprise tracks up to 13 LLM models with unlimited projects. For technical checks, Peec AI features a crawlability audit that evaluates whether robots.txt allows, partially allows, or blocks access across 40+ bots.4

Specialized Answer Engine Monitors
Profound charges $99 per month billed annually for Starter (monitoring ChatGPT) and $399 per month billed annually for Growth (monitoring three engines), scaling to nine on Enterprise. AthenaHQ offers five models on its free tier and nine on Starter, with a Starter subscription price of $295 per month. Writesonic tracks AI visibility across three AI platforms on current self-service tiers, with broader coverage on Enterprise. AirOps covers ChatGPT on its free Solo plan, provides multi-engine coverage on Pro, and offers custom Enterprise coverage.1
Incumbent Suites: HubSpot AEO vs. Ahrefs Brand Radar
HubSpot AEO monitors 25 prompts daily across ChatGPT, Gemini, and Perplexity. Pricing is $50 per month ($45 per month billed annually), and the tool is included with Marketing Hub Professional and Enterprise.1
Ahrefs Brand Radar tracks AI Overviews, AI Mode, ChatGPT, Perplexity, Copilot, Gemini, and Grok, with Claude available for custom prompts. Additional prompt volume can be added via custom prompt check packages.15
Diagnostic Audits: Free Baseline Scoring
Before purchasing ongoing tracking subscriptions, teams can establish an initial benchmark using HubSpot's free AI Search Grader. The one-time diagnostic tool evaluates brand visibility across ChatGPT, Perplexity, and Gemini, generating a composite score out of 100 points that tracks sentiment, presence quality, brand recognition, and competitive positioning.12
Questions
Which AI search tools track the most engines?
Ahrefs Brand Radar tracks seven engines out of the box (AI Overviews, AI Mode, ChatGPT, Perplexity, Copilot, Gemini, and Grok) plus Claude on custom prompts. Peec AI supports up to 13 LLM models on its Enterprise tier, while Profound tracks up to nine engines on Enterprise.
What does Otterly.AI cost?
Otterly.AI Lite starts at $29 per month for 15 search prompts and 1,000 GEO URL audits. Standard starts at $189 per month with 100 search prompts, while Premium starts at $489 per month. Engine add-ons like Google Gemini or Claude cost extra depending on the tier.