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Perplexity Hub is the definitive resource for understanding and using the Perplexity AI platform featuring updates, tutorials, feature breakdowns, comparisons, and practical guides to help readers research smarter with AI.

Perplexity News: When AI Agents Start Running the Web

Perplexity News: When AI Agents Start Running the Web

James Whitaker
January 15, 2026

Perplexity AI became a focal point of technology reporting in mid-January 2026, not because of a single product launch, but...

Perplexity Deep Research: How AI Learned to Truly Investigate

Perplexity Deep Research: How AI Learned to Truly Investigate

James Whitaker
January 15, 2026

Perplexity Deep Research is not a faster search box. It is a different way of thinking with machines. Instead of...

define perplex​ and Perplexity in Language and AI

define perplex​ and Perplexity in Language and AI

James Whitaker
January 13, 2026

I define perplex as the experience of mental entanglement — the moment when something becomes difficult to understand because it...

Perpe Explained: Search Data Without Meaning

Perpe Explained: Search Data Without Meaning

James Whitaker
January 13, 2026

I first noticed “perpe” not because it meant something, but because it didn’t. It appeared in keyword databases and search...

What Is chatopenai​ and How Is It Different From OpenAI API

What Is chatopenai​ and How Is It Different From OpenAI API

James Whitaker
January 12, 2026

Chatopenai​ is one of the most searched and most misunderstood terms in the artificial intelligence ecosystem. I see people use...

perplexity vs chatgpt​ vs Claude in 2026

perplexity vs chatgpt​ vs Claude in 2026

James Whitaker
January 12, 2026

I have been watching the competition between Perplexity, ChatGPT, and Claude evolve not as a race for dominance, but as...

perplexed definition​, Meaning, and Usage Explained

perplexed definition​, Meaning, and Usage Explained

James Whitaker
January 11, 2026

If you have ever stared at an email, a message, a rule, or a decision and felt your thoughts knot...

Is Perplexity Better Than ChatGPT? Research vs Creativity

Is Perplexity Better Than ChatGPT? Research vs Creativity

James Whitaker
January 11, 2026

I often get asked whether Perplexity is better than ChatGPT, and the answer is less about which system is “smarter”...

Perplexity Careers: Roles, NYC Jobs, and How to Apply

Perplexity Careers: Roles, NYC Jobs, and How to Apply

James Whitaker
January 10, 2026

Perplexity AI posts all of its official job openings on its own careers pages and uses those listings as the...

Perplexity AI Business Fellowship Explained

Perplexity AI Business Fellowship Explained

James Whitaker
January 9, 2026

The Perplexity AI Business Fellowship is a selective executive program launched in early 2025 to help senior professionals learn how...