AI explained
How neural networks work and what they can do
AI explainedGrok vs ChatGPT: Which One to Use, and What Grok Does Differently
Grok and ChatGPT compared on writing, code, file input, images and video, tone and cost per request. Plus Gemini and Claude for when neither one fits.
AI explainedGemini vs ChatGPT (and Grok): Which AI to Use for What in 2026
We compare Gemini, ChatGPT, Grok and alternatives on reasoning, writing, code, file and media input, and price. See which one fits your tasks.
AI explainedGemini vs Claude for Long Documents: Which Model Reads PDFs Best
We compare Gemini, Claude, Grok and Kimi on long reports, contracts and scanned PDFs. Includes a selection table and a test you can run on your own file.
AI explainedHow to Check AI Output for Hallucinations: A Practical Routine
Spot fake citations, invented numbers and confident errors in AI answers. A step-by-step fact-check routine, red flags and prompts that help.
AI explainedAI Cost per Request: How Model Pricing Actually Works
Why one AI request costs more than another: tokens, output length, model tier, images and video. A simple formula to estimate your own cost per request.
AI explainedWhat Is an AI Aggregator and When Do You Actually Need One?
How an AI aggregator gives you text, image, video and audio models in one subscription, what it can't do, and a simple test to see if you need one.