
Crawlers & Agents
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.
GEO Toolbox · Blog
Research, tactics, and honest takes on generative engine optimization, AI visibility, and the future of search.
163 articles and counting.
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Crawlers & Agents
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.

Comparisons
An honest, current comparison of the top Chinese AI models - DeepSeek, Qwen, GLM, Kimi and more - covering capability, cost, safety, and AI visibility.

AI Engines
Gemini SEO means getting cited in Google Gemini's answers. How grounding, the Google index, Google-Extended, and the four Gemini surfaces actually work.

Tools & Tracking
Grok pricing explained, current to September 2026: the free tier, SuperGrok ($10/$30/$100), Heavy, X Premium vs standalone, API token costs, and how to use Grok.

Tools & Tracking
The best content optimization tools in 2026, tested: what each does, real pricing, who should skip it, and where they fall short on getting cited by AI.

Tools & Tracking
The best link building platforms in 2026 by type: research tools, outreach software, marketplaces, and managed PR. Who to skip, and what earns AI citations.

Tools & Tracking
Gemini pricing for September 2026: the free tier, Google AI Plus ($4.99), Pro ($19.99), Ultra ($99.99-$199.99), and the Gemini API token cost by model.

Comparisons
Grok vs Gemini, compared for September 2026: current models, pricing, real-time data, coding, image and video, and which engine actually ends up citing your brand.

AI Engines
Gemini Gems are reusable custom versions of Google Gemini. What they are, how to build one, what knowledge files really do, and how they compare to custom GPTs.

Comparisons
Gemini vs ChatGPT, honestly compared and current to September 2026: models, pricing, context, coding, privacy, and which engine actually ends up citing your brand.

How AI Works
Query fan-out is how AI search splits one question into many parallel sub-queries. What Google documents, which engines do it, and what it means for citations.

Tools & Tracking
An honest Scrunch AI review: what the tool does, its 2026 pricing and Sitecore acquisition, who it's worth it for, and the best Scrunch AI alternatives.