Compare AI tools

• Check if AI crawlers can reach a site
• Audit robots.txt for AI bots
• Check for an llms.txt file
• Compare access across AI platforms

• Researching questions with cited sources
• Tracking current events
• Comparing products or options
• Building search-grounded apps via API

Free, no signup required (per homepage); no paid plans listed

US prices not confirmed

Free plan; Pro and Max paid plans; Enterprise for organizations. Viewed from outside the US, the pricing page showed Pro at $17/month and Max at $167/month (annual-billing equivalents). US monthly prices not confirmed — see official pricing.

Checked Sep 30, 2026. Official pricing ↗

• 0-100 AI visibility score
• 13 AI crawlers checked
• robots.txt analysis
• llms.txt check
• Live probe with crawler user agents
• Agent-by-agent report
• JSON API, no key, 20 requests per 60 seconds per IP

• Answers with inline source citations
• Real-time web search
• Deep research reports
• Choice of AI models from several labs on paid plans
• Perplexity Computer for building documents and apps
• Search, Agent and Embeddings APIs

• Free per the homepage
• No signup required
• Results in seconds per the site
• Covers named crawlers like GPTBot and ClaudeBot

• Every answer links to its sources so claims can be checked
• Free plan available to start
• Paid plans offer models from multiple AI labs in one place
• Developer APIs with published usage-based pricing

• Checks access only, not whether AI actually cites the site
• Results cached for 60 minutes
• API rate-limited to 20 requests per 60 seconds per IP
• No pricing page; free claim from homepage only

• Answers can still misread or misattribute sources
• Deep research and model choice need a paid plan
• API is billed separately by tokens and requests
• Promotional credit offers change often, so check current terms

Editorial

Not yet reviewed

Users

No user reviews yet

Editorial

Not yet reviewed

Users

No user reviews yet

Verified Oct 2, 2026

Verified Sep 30, 2026