Fundamentos de IA y guías prácticas

AI for Seniors: How to Set It Up for a Parent Who Will Not Troubleshoot

Most guides to AI for seniors are written for the senior. This one is written for you, the person who will get the phone call when it stops working.

Is DeepSeek Free? Why There Is No Paid Plan to Upgrade To

DeepSeek’s chat and app cost nothing, and there is no paid consumer tier to upgrade to. The word “free” does not appear once on DeepSeek’s only pricing page, and…

How to Delete Images From ChatGPT Library (and What It Actually Removes)

There is no delete button on a generated image in the ChatGPT library. OpenAI still documents one method: delete the whole conversation the image came from. But…

AI Tattoo Cover Up Generator: What It Cannot See on Your Skin

An AI tattoo cover up generator will hand you a design in about twenty seconds. Upload a photo of the tattoo you regret, pick a style, and the tool returns a stack…

DeepSeek vs Grok: Cost, Limits and What Each One Refuses

DeepSeek is far cheaper and better at structured reasoning. Grok costs more and answers far more questions. The real difference is not benchmarks, it is what each…

AI File Upload Limits: What Each Chatbot Actually Accepts

Every chatbot caps what you can upload, and almost every guide online gets the numbers wrong. Here is what ChatGPT, Claude, Gemini, Grok and Perplexity actually…

ChatGPT Tattoo Design: How to Get Something an Artist Can Actually Use

ChatGPT will draw you a tattoo in about fifteen seconds. Whether a tattooist can actually ink it is a completely different question, and the people fielding these…

How to Create a Custom GPT: Who Still Can, and What to Do If You Cannot

Almost every guide to creating a custom GPT tells you to open the builder and click Create. That path is closed. OpenAI states that new GPT creation and publishing…

Microsoft Copilot vs Gemini in 2026: Prices, Mac Apps and the Verdict

Every Microsoft Copilot vs Gemini comparison online prices them as business seats, $18 a user against $14 a user. Almost nobody buys them that way. As consumer…

NotebookLM Alternatives: What Gemini Notebook Won’t Do, and What Fixes It

Google renamed NotebookLM to Gemini Notebook in July 2026, but the reasons people look for a replacement did not change. Here is what the tool will not do, and the…

What Are AI Tokens? The Unit Every AI Bill Is Counted In

Every AI price you have ever seen is quoted per million tokens, and almost nobody explains what a token actually is. It is not a word, it is not a message, and it…

Gemini Canvas: What It Is, What It Makes, and What It Costs

Gemini Canvas is a workspace inside the Gemini app where the model builds and edits a document, app or web page in place. Here is what it makes, what it costs, and…

How to Use Claude Projects: Setup, Limits and What They Cost

Claude Projects hold one long-running job in a single workspace: its chats, its files and its own instructions. Here is the setup, the five-project free cap…

Too Many AI Subscriptions? Run This Audit Before You Renew

ChatGPT now lists unlimited text chat on its free plan and Claude has moved memory, web search and file creation into its own. The reason most people bought a…

Why AI Gives You a Different Answer Every Time

Ask an AI the same question twice and you often get two different answers. Researchers at Thinking Machines Lab ran the same prompt 1,000 times with randomness…

Can You Sell AI-Generated Art? What the Platforms Actually Say

Yes, you can sell AI-generated art. But the platforms disagree completely about whether they will host it, and a lot of the advice online is not in the policies it…

Claude Pro vs Max: Which Plan You Actually Need

Claude Pro and Max run the same models. The only difference is how much you can use them, and Anthropic will not tell you how much that is.

DeepSeek vs Claude: Which One Should You Actually Pay For?

Almost every comparison you can find still prices DeepSeek at $0.14 per million input tokens. That rate was retired at 16:00 UTC on 16 August 2026, when DeepSeek…

Perplexity vs ChatGPT: What Actually Separates Them

Almost every Perplexity vs ChatGPT comparison treats them as rival brains. They are not. On a paid Perplexity plan you can be talking to OpenAI, because Perplexity…

ChatGPT Canvas Is Gone: What Replaced It and What to Use Now

ChatGPT Canvas was removed on 28 May 2026 and replaced by writing blocks and code blocks. Here is what changed, where each Canvas feature went, and how to do the…

Claude vs Perplexity: Which AI Should You Actually Pay For?

Most Claude vs Perplexity comparisons get two things wrong. Perplexity can already run Claude on a paid plan, and Claude has searched the web on every plan since…

Grok Bot vs Claude Cowork: Which AI Agent Is Worth $20?

On 11 August 2026 Grok Bot cost $200 a month. Fifteen days later it cost $20, the same as Claude Cowork on Claude Pro. Both agents now run in the cloud, both keep…

Límite de ChatGPT en 2026: qué se limita y cuándo se restablece

ChatGPT no te muestra cuánto te queda. No hay contador, ni indicador, ni página de uso para el chat normal. Esto es lo que sigue limitado en 2026, cuándo se…

AI PDF Reader: The 8 Best Tools Compared for 2026

Eight AI PDF readers compared on what they actually do with your document, including the split between tools that analyze files and tools that read them aloud.

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…

Claude Memory: How to Control What Claude Remembers

Claude memory is on by default on the Free, Pro and Max plans, it now carries context between chat and Cowork, and deleting a conversation does not delete what…

Grok vs Gemini: Which AI Is Actually Better in 2026?

The short answer is that Gemini is still the better default for most people, and Grok is the better specialist, but the model gap has moved since September. xAI…

What Is Artificial General Intelligence (AGI)? Definition, Examples and Where We Actually Are

Artificial general intelligence is an AI that matches human ability across essentially every cognitive task, and it does not exist. What changed recently is that…

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…

Microsoft Copilot Pricing in 2026: Every Plan and What You Really Pay

Microsoft Copilot ranges from free to $30 per user per month, but the advertised price is never the bill. Every business tier is an add-on that sits on top of a…