Fello AI Blog

Lenka Vojtechova

Lenka is a content creator and digital marketing specialist with a passion for technology, AI, and storytelling. She combines creativity with a data-driven mindset to craft engaging, meaningful content that connects with readers. With experience across SEO, copywriting, and social media strategy, she helps brands turn complex ideas into clear, relatable messages. When she’s not writing, you’ll find her exploring new AI tools, enjoying a great cup of coffee, or planning her next travel adventure.

Apple Photos AI Editing: Extend, Reframe and the Hidden Watermark
Tips for Mac

Apple Photos AI Editing: Extend, Reframe and the Hidden Watermark

Apple Photos gets three AI editing tools in macOS 27 and iOS 27. Spatial Reframing, Extend and an upgraded Clean Up all arrive with iOS 27 on 14 September 2026, and…

AI Job Interview Practice: How to Rehearse Before a Machine Screens You
AI Basics and How-To Guides

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…

Are AI Companies Destroying Books? What the Court Files Actually Show
AI News

Are AI Companies Destroying Books? What the Court Files Actually Show

Court documents unsealed in January 2026 show Anthropic bought millions of used print books, cut off the spines, scanned the pages and threw the originals away. In…

What Is Microsoft Copilot? Every Version, Price and Model in 2026
AI Basics and How-To Guides

What Is Microsoft Copilot? Every Version, Price and Model in 2026

Microsoft Copilot is Microsoft’s AI assistant, built into Windows, Edge and the Microsoft 365 apps. As of August 2026 the name covers two completely different…

ChatGPT Privacy: What OpenAI Collects and Who Can See It
AI Basics and How-To Guides

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ChatGPT collects more than most guides admit, and three of the facts you have probably read about it are now out of date.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…

AI Watermarks Explained: How to Check for Them and How to Remove Them
AI Basics and How-To Guides

AI Watermarks Explained: How to Check for Them and How to Remove Them

An AI watermark is not one thing. It is a visible logo you can crop away and an invisible signal you cannot, and since 2 August 2026 European law requires the…

Is ChatGPT Allowed in School? The AI Rules That Actually Apply to You
AI Basics and How-To Guides

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…

Gemini Study Notebooks: How to Study With Google's Free AI Tutor
AI Basics and How-To Guides

Gemini Study Notebooks: How to Study With Google's Free AI Tutor

Gemini study notebooks turn your lecture notes into an adaptive tutor with a diagnostic quiz and a progress dashboard. Here is how to make one, what it costs, and…

Claude vs Gemini vs ChatGPT: Which One Should You Actually Use?
AI Basics and How-To Guides

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…

Claude vs Gemini: Which One Should You Actually Use?
AI Basics and How-To Guides

Claude vs Gemini: Which One Should You Actually Use?

Claude leads the benchmarks and Gemini leads on price, speed and reach. We compare Claude Opus 5.5 and Gemini 3.1 Pro on coding, writing, research, cost and the…

Gemini Student Offer 2026: How to Get a Free Year of Google AI Pro or AI Plus
AI Basics and How-To Guides

Gemini Student Offer 2026: How to Get a Free Year of Google AI Pro or AI Plus

The Gemini student offer is open until December 31, 2026. Eligible college students in the United States get 12 months of Google AI Pro at no cost, a plan that…

Best AI for Translation: What the Only Independent Test Found
AI Basics and How-To Guides

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…

Meta AI Mac App: What It Actually Does and What It Costs You
Tips for Mac

Meta AI Mac App: What It Actually Does and What It Costs You

Meta released a native Mac app for Meta AI on August 19, 2026. It is free, it weighs about 16MB, it runs only on Apple silicon, and it opens over any app with…

Best AI for a Cover Letter? What the Evidence Actually Says
AI Basics and How-To Guides

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…

Nano Banana Pricing: What Google’s Image Models Really Cost in 2026
AI Basics and How-To Guides

Nano Banana Pricing: What Google’s Image Models Really Cost in 2026

There is no standalone Nano Banana subscription. You either get it inside a Google AI plan starting at $4.99 a month, or you pay per image through the Gemini API…

How to Replace Siri With ChatGPT, Claude, or Gemini
AI Basics and How-To Guides

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…

How to Use Nano Banana: Google’s Image Model, Explained Step by Step
AI Basics and How-To Guides

How to Use Nano Banana: Google’s Image Model, Explained Step by Step

Nano Banana is not labelled anywhere in the Gemini app, which is why so many people cannot find it. Here is where it actually lives, which of the four versions you…

What Is Prompt Injection? The AI Flaw Nobody Has Fixed
AI Technical Insights

What Is Prompt Injection? The AI Flaw Nobody Has Fixed

Prompt injection explained in plain English. What it is, why it cannot be patched, which AI tools are exposed, and what actually reduces your risk.

What Is MCP in AI? The Model Context Protocol in Plain English
AI Technical Insights

What Is MCP in AI? The Model Context Protocol in Plain English

MCP explained in plain English. What the Model Context Protocol does, which AI apps already support it, whether it is safe, and how to decide if you need it.

Best AI Dictation Apps for Mac: Tested and Compared
Tips for Mac

Best AI Dictation Apps for Mac: Tested and Compared

Almost every guide to the best dictation app for Mac opens with the same claim, which is that Apple’s built-in dictation cuts out after 60 seconds. That is wrong…

GLM 5.3: What Z.ai Shipped, and the Weights It Held Back
AI News

GLM 5.3: What Z.ai Shipped, and the Weights It Held Back

Update, October 7, 2026: Z.ai published the GLM 5.3 weights on Hugging Face on August 28, 2026, two weeks after launch as promised, under a custom GLM-5.3 License…

Which AI Is Best for Resume Writing? Claude, ChatGPT and Gemini Tested
AI Basics and How-To Guides

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…

Gemini 3.7 Flash: Pricing, Benchmarks and the Catch Google Buried
AI News

Gemini 3.7 Flash: Pricing, Benchmarks and the Catch Google Buried

Google released Gemini 3.7 Flash on August 13, 2026, just 23 days after Gemini 3.6 Flash. Coding scores jumped hard and the price halved to $0.75 per million input…

AI Models Discontinued in 2026: The Running List
AI News

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…

Grok 4.6: What's New, Benchmarks and Pricing
AI News

Grok 4.6: What's New, Benchmarks and Pricing

SpaceXAI released Grok 4.6 on 12 August 2026. It scores 61 on the Artificial Analysis Intelligence Index, ties GPT-5.6 Sol, and costs 60 percent less than the…

GPT-5.6-Cyber: OpenAI’s Hacking Model, and Why You Cannot Use It
AI News

GPT-5.6-Cyber: OpenAI’s Hacking Model, and Why You Cannot Use It

OpenAI released GPT-5.6-Cyber on August 10, 2026, a model trained to find zero-days and build exploit chains, tuned to refuse far less than the ChatGPT you use…

What Is Grok Bot? SpaceXAI’s AI Agent App for Mac and iPhone
AI News

What Is Grok Bot? SpaceXAI’s AI Agent App for Mac and iPhone

SpaceXAI launched Grok Bot on 11 August 2026, and it is not a chatbot. Each account gets a persistent cloud computer that AI agents use to sign into your apps with…

Google Classroom AI: What It Does and What It Can’t Detect
AI Basics and How-To Guides

Google Classroom AI: What It Does and What It Can’t Detect

The short answer most people arrive looking for is this. Google Classroom AI cannot tell you whether a student used ChatGPT. Classroom has no built-in AI detector…

Claude Code Permissions: What Auto Mode Lets Claude Do Without Asking
AI Basics and How-To Guides

Claude Code Permissions: What Auto Mode Lets Claude Do Without Asking

In a controlled study of 1,053 paid testers, Anthropic swapped one permission prompt for a clearly dangerous command and watched who caught it. The humans caught it…

Best AI for Math: Which Model Actually Solves It
AI Basics and How-To Guides

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…

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