GEO Toolbox · Blog
Playbooks for getting cited by AI.
Research, tactics, and honest takes on generative engine optimization, AI visibility, and the future of search.95 articles and counting.
Crawlers & Agents articles
13 totalClaude Pricing in 2026: Plans, API Costs, and Is It Worth It?
Every Claude price for July 2026: Free, Pro, Max, Team, Enterprise, and API costs for Opus 4.8, Sonnet 5, Haiku 4.5, and Fable 5, plus which plan is worth it.
Perplexity Comet: The AI Browser, Explained
What is Perplexity Comet? An honest guide to Perplexity's AI browser: what it does, is it free, is it safe, and what agentic browsing means for your site.
What Is Perplexity? The AI Answer Engine, Explained
What is Perplexity AI? A current guide to the answer engine: who owns it, Comet, pricing, Perplexity vs ChatGPT, accuracy, and what it means for your brand.
Agentic Commerce: Will AI Agents Recommend Your Brand?
Agentic commerce in 2026: how AI agents find, judge, and recommend brands, what's live after the ChatGPT Instant Checkout pullback, and how to check yours.
What Is x402? Coinbase's Payment Protocol for AI Agents
x402 lets AI agents pay in stablecoins over HTTP. What it is, how the 402 handshake works, whether it's a token, and how it compares to ACP, AP2 and MCP.
Agentic Browsers Are Here: Is Your Site Agent-Ready?
Comet, ChatGPT Atlas, and Gemini now navigate and buy on your site for users. Here's what breaks, how to make your website agent-ready, and how to check.
GPTBot: What It Crawls and How to Allow or Block It
GPTBot is OpenAI's training crawler. What it crawls, how to allow or block it in robots.txt, and why blocking GPTBot does not remove you from ChatGPT search.
llms.txt: What It Is and Whether It's Actually Worth It
llms.txt is suddenly everywhere. The honest, evidence-backed answer to what it is, what Google actually says about it, and whether your site needs one.
AI Crawlers: The List of AI Bots & How to Control Them
AI crawlers fetch your pages for ChatGPT, Claude, Perplexity, and Google. The list of every major AI bot, what each does, and how to control it in robots.txt.