Fundamentos de IA e Guias Práticos

Best AI Note Taker: 6 Apps Ranked and Compared

Every ranking of the best AI note taker on the first page of Google is published by a company that sells one. Shadow ranks Shadow first, under a byline that openly…

Is Claude Cowork Free?

Anthropic bundles it into every paid Claude plan at no extra charge, but the free Claude tier gives you Claude Chat only, with no Cowork access at all. So the…

Claude Voice Mode: How to Turn It On and What It Can Actually Do

Claude voice mode stopped being a side feature on 23 July 2026. Until that day it ran on Haiku only, Anthropic’s fastest and simplest model, which meant talking to…

ChatGPT para crianças: é seguro e como configurar

Não existe um ChatGPT para crianças. A OpenAI não vende uma conta infantil, uma interface simplificada nem um nível para menores de 13 anos, e os seus termos fixam…

Preços do Claude Cowork em 2026: quanto custa na realidade

Os preços do Claude Cowork funcionam de forma diferente da maioria das ferramentas de IA que já comprou. Não existe uma subscrição separada para o Cowork, nem um…

ChatGPT Study Mode: o que faz e como o ativar

O ChatGPT Study Mode já tem um ano. A OpenAI lançou-o a 29 de julho de 2025 como uma forma gratuita de fazer o ChatGPT ensinar em vez de responder, e agora funciona…

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…

Best AI for Students in 2026: The Tools, the Models and What Is Free

88% of students now use AI in their learning, according to the Digital Education Council’s AI in Higher Education Global Survey 2026, which drew 45,398 responses…

Meta AI Image Generator: Is Muse Image Free?

Meta’s AI image generator finally has a name of its own, and it is Muse Image. Meta launched it on July 7, 2026, and it is the first image model Meta…

Canva Headshot Generator: How to Make an AI Headshot That Doesn’t Look Fake

The Canva headshot generator turns a single selfie into a professional-looking headshot in under a minute, and it gives you 2 free credits before asking you to wait…

Best Free AI Headshot Generator in 2026: 8 Tools Tested

An individual studio headshot session runs $150 to $300 in 2026, yet a free AI headshot generator can turn a selfie from your phone into a LinkedIn-ready portrait…

Gerador de Voz com IA Gratuito: 10 Melhores Ferramentas Testadas em 2026

A maioria das ferramentas que se apresentam como gerador de voz com IA gratuito são, na realidade, períodos de avaliação disfarçados. Das dez ferramentas que…

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…

Claude Cowork vs Claude Code: Which One Should You Use in 2026?

Anthropic now ships three separate ways to use Claude, and picking the wrong one costs you both time and usage allowance. The Claude Cowork vs Claude Code question…

Análise do Lumo AI: O IA privado da Proton é realmente bom?

O Lumo AI é o único assistente de IA popular construído de forma a que nem a própria empresa que o gere consiga ler as suas conversas. Vem da Proton, a empresa…

Is NotebookLM Free? Limits, Plans & What You Actually Pay For (2026)

Yes, NotebookLM is free. The Standard tier costs $0/month with any Google account, no trial, no credit card and no time limit, and every core feature is included…

Where to Sell Digital Products in 2026: Best Platforms and Free Options

The digital goods market is worth $157.39 billion in 2026 and is on track to hit $511.43 billion by 2031, growing at a 26.60% CAGR. That is the demand side. The…

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…

What Jobs Will AI Replace by 2030? What the Data Actually Says

The most honest answer to the question of what jobs AI will replace by 2030 comes from the people you would most expect to have a number, and they refuse to give…

AI Travel Photo Prompts: 9 Copy-Paste Scenes Tested on One Selfie

Only 5% of American travelers can tell a real destination photo from an AI-generated one. That figure comes from a Talker Research survey of 2,000 US adults…

How to Create Digital Products in 2026: A Step-by-Step Guide

How to create digital products in 2026, from first file to first sale. The real AI workflow, honest build times, what you keep after fees, and what you legally own.

Digital Product Ideas: 40 Things to Make and Sell Online in 2026

The digital goods market is worth $157.39 billion in 2026 and is growing at a 26.60% CAGR toward $511.43 billion by 2031, according to Mordor Intelligence. A file…

Best Free AI Detector in 2026: 7 Free AI Checkers Tested and Ranked

You can check whether a piece of text was written by AI in seconds, for free, without spending a cent. Yet a widely cited Stanford study on AI detector bias found…

What Are Digital Products? Examples & How to Sell in 2026

A digital product sells an unlimited number of times without ever running out of stock, and after fees, sellers often keep 80% to 90% of every sale. There is no…

How to Sell Digital Products in 2026: A Beginner’s Guide

Digital products carry profit margins close to 100%, and you can start selling them for $0 using platforms that only take a cut once you make a sale. That…

Kimi Pricing 2026: Plans, API Costs & Free Tier

Kimi is free to start, and that is the fastest way to summarise Moonshot AI’s pricing. The Kimi app gives you unlimited basic chat, file uploads and web search on a…

Is Nano Banana Free? Limits & How to Use It Free (2026)

Yes, Nano Banana is free. You can generate and edit images with Google’s viral Nano Banana model right now without paying a cent, using either the Gemini app or…

Siri vs ChatGPT: Which AI Assistant Is Better in 2026?

The Siri vs ChatGPT debate just changed for the first time in years. Apple’s 2026 software, iOS 27 and macOS 27 “Golden Gate,” rebuilds Siri into a generative…

When to Use Which AI: A 2026 Guide to Picking the Right Model for Every Task

There is no single best AI in 2026, and every serious guide now agrees on the same answer to when to use which AI: match the task to the model that leads it. Claude…