ChatGPT Limits: When They Reset and How to Check
ChatGPT does not show you how much you have left. There is no counter, no meter and no usage page for ordinary chat. Here is what is actually capped in 2026, when…
ChatGPT Plus vs Pro: Which Plan You Actually Need
ChatGPT Plus is $20 a month. ChatGPT Pro is not one plan but three, at $100, $200 and $500, and OpenAI describes the gap between them in usage rather than features…
GPT-6 Astra je tady: benchmarky, cena a co čísla neříkají
OpenAI vydala 3. září 2026 model GPT-6 Astra a označuje ho za špičku v ovládání počítače, vývoji softwaru a vědě. Je to vůbec první model, který OpenAI zařadila do…
Microsoft Copilot vs ChatGPT in 2026: Which One Should You Pay For?
Almost every Microsoft Copilot vs ChatGPT comparison online still pits Copilot Pro against ChatGPT Plus at $20 each. Copilot Pro stopped selling in October 2025 and…
ChatGPT Memory: How It Works and How to Delete It
ChatGPT rebuilt how it remembers you on 4 June 2026, and almost every guide still describes the old screen. Here is how the memory summary works, how to delete what…
ChatGPT Projects: How They Work and How to Use Them
ChatGPT Projects keep one long-running job in a single workspace: its chats, its files and its own instructions. Here are the real file limits, the sharing rules…
ChatGPT Apple Messages: What It Reads and How to Turn It Off
On 20 August 2026 OpenAI gave ChatGPT the ability to read, search and send your iMessage, SMS and RCS conversations on an Apple silicon Mac. The headlines said…
AI Job Interview Practice: How to Rehearse Before a Machine Screens You
Everyone used AI to write their application, so employers added a machine to screen it. Here is how to rehearse against the thing that is actually scoring you, and…
ChatGPT Privacy: What OpenAI Collects and Who Can See It
ChatGPT collects more than most guides admit, and three of the facts you have probably read about it are now out of date. Here is what OpenAI actually stores, who…
Is ChatGPT Allowed in School? The AI Rules That Actually Apply to You
Is ChatGPT allowed in school? Usually yes, with conditions. Here is the three-layer rule that decides it, a task by task table of what you may and may not do, and a…
Claude vs Gemini vs ChatGPT: Which One Should You Actually Use?
Claude Opus 5.5, GPT-6 and Gemini 3.1 Pro compared on coding, writing, research and price. A short verdict per task, the benchmark story nobody else is telling, and…
Best AI for Translation: What the Only Independent Test Found
Almost every list answering this question is published by a company selling a translation product. The one independent evaluation that grades output by hand reaches…
Best AI for a Cover Letter? What the Evidence Actually Says
Several of the reassuring statistics you will meet on this topic do not survive a check against their own sources. The research that does hold up says something…
How to Replace Siri With ChatGPT, Claude, or Gemini
Every guide telling you how to replace Siri with ChatGPT gives a different Settings path, and two of the three menus do not exist. Here is what actually works today…
Which AI Is Best for Resume Writing? Claude, ChatGPT and Gemini Tested
Three chatbots, one resume, one job description. None of them invented a statistic. One of them quietly claimed nine competencies the candidate never had, which is…
AI Models Discontinued in 2026: The Running List
OpenAI, Anthropic and Google retired dozens of AI models in 2026, and more shutdowns land every month. Here is the running list of what is already gone, what…
Best AI for Math: Which Model Actually Solves It
The best AI for math right now is GPT-6 Astra, which sits at the top of MathArena’s cross-benchmark ranking with an expected score of 88.0%. GPT-6 Sol and Claude…
Slevy na AI 2026: Každý způsob, jak ušetřit za nástroje AI, který skutečně funguje
Platit za ChatGPT Plus $20/měsíc, Claude Pro $20/měsíc, Google AI Pro $19.99/měsíc a Perplexity Pro $20/měsíc se sčítá na téměř $80 každý měsíc, neboli přibližně…
Bezplatné zkušební verze AI 2026: Každá Pro úroveň, kterou si opravdu můžete vyzkoušet zdarma
V září 2026 nabízejí veřejnou bezplatnou zkušební verzi pouze dvě vlajkové AI Pro úrovně: Google AI Pro (jeden měsíc, nutná karta, obnovuje se za $19.99/měsíc) a…
AI for Teachers: The Best Tools and Free Access in 2026
Six in ten US teachers now use AI for their work. The ones who use it at least weekly estimate they save 5.9 hours every week, roughly six weeks of reclaimed time…
Apple Sues OpenAI: What It Means for Siri and Your iPhone
On Monday 3 August 2026, Apple asked a federal judge to bar OpenAI and two former Apple employees from accessing, using or disclosing its confidential information…
Co je to AI humanizer? Jak funguje a jestli opravdu obelstí detektory
AI humanizer je nástroj, který přepisuje text vytvořený AI tak, aby působil, jako by ho napsal člověk, a počet vyhledávání takového nástroje překonal 100 000 za…
ChatGPT for Academic Researchers: kdo splňuje podmínky a jak se přihlásit
Zhruba 1,3 milionu lidí už každý týden používá ChatGPT k pokročilé vědě a matematice a odesílá přitom asi 8,4 milionu zpráv. OpenAI se nyní rozhodlo dát té…
ChatGPT pro děti: Je bezpečný a jak ho nastavit
Žádný ChatGPT pro děti neexistuje. OpenAI neprodává dětský účet, zjednodušené rozhraní ani úroveň pro děti do 13 let a jeho podmínky stanovují 13 let jako pevnou…
Studijní režim ChatGPT: co umí a jak ho zapnout
Studijní režim ChatGPT je rok starý. OpenAI ho spustila 29. 7. 2025 jako bezplatný způsob, jak přimět ChatGPT, aby učil místo toho, aby jen odpovídal, a dnes…
ChatGPT Health: How to Connect Apple Health and What to Know First
On July 23, 2026, OpenAI opened ChatGPT Health to every logged-in user in the United States aged 18 or over, on the Free, Go, Plus and Pro plans. It lets ChatGPT…
Is GPTZero Accurate? A 2026 Review of the AI Detector
GPTZero scores close to 99% in lab benchmarks, yet independent 2026 tests put its real-world accuracy nearer 85-90%, with false positives on 8-15% of genuine human…
ChatGPT Image Generator: What It Is and How to Use It
ChatGPT’s image generator runs on ChatGPT Images 2.5, which OpenAI made the default on 8 September 2026. It succeeded ChatGPT Images 2.0 and the gpt-image-2 model…
What Is Agentic AI? A Clear 2026 Guide with Examples
Agentic AI is artificial intelligence that pursues a goal on its own. Instead of just answering a prompt, it plans the steps, uses tools like web search or apps…
ZeroGPT Review 2026: Is It Accurate and Reliable?
ZeroGPT advertises accuracy of around 98%, yet independent 2026 testing puts its real-world accuracy at roughly 67% to 85%. One controlled 2026 benchmark of 160…
