Blogue Fello AI

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.

Meta Muse AI Agent: What It Does, What It Costs and What It Gets Wrong
Notícias de IA

Meta Muse AI Agent: What It Does, What It Costs and What It Gets Wrong

Meta launched Muse on 8 September 2026, and within ten days it had pushed ChatGPT off the top of the US App Store. The Meta Muse AI agent does not just answer…

Claude Marketplace: How to Add a Claude Code Plugin Marketplace (and Which One You Actually Mean)
Fundamentos de IA e Guias Práticos

Claude Marketplace: How to Add a Claude Code Plugin Marketplace (and Which One You Actually Mean)

Search for Claude Marketplace and you get three different products wearing one name. Only one is the developer feature most people want, and if you have run Claude…

API Key vs Subscription: What Your $20 Actually Buys
Fundamentos de IA e Guias Práticos

API Key vs Subscription: What Your $20 Actually Buys

You pay $20 a month for ChatGPT or Claude, and then a Mac app asks for an API key. That is not a bug and it is not a second charge for the same thing. Here is what…

BottleCap AI: The Prague Lab Teaching Qwen to Think Less, Now on Your Mac
Notícias de IA

BottleCap AI: The Prague Lab Teaching Qwen to Think Less, Now on Your Mac

BottleCap AI, the Prague startup co-founded by word2vec author Tomáš Mikolov, has released a Mac-native build of its newest model. On 24 September 2026 it published…

Xiaomi MiMo Explained: What V2.6 Is, What It Costs, and How to Use It
Notícias de IA

Xiaomi MiMo Explained: What V2.6 Is, What It Costs, and How to Use It

Xiaomi MiMo is Xiaomi’s family of open-weight AI models, and on 21 September 2026 it took the top spot among open models. The flagship, MiMo-V2.6-Pro, is a…

NotebookLM Prompts: How to Write Them, and Why Yours Get Refused
Engenharia de Prompts

NotebookLM Prompts: How to Write Them, and Why Yours Get Refused

NotebookLM prompts fail for a reason no prompt list explains: the model answers only from the sources you upload, and refuses what it cannot ground in them. Here is…

Grok vs Claude: Which AI Is Actually Better in 2026?
Fundamentos de IA e Guias Práticos

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

Grok 4.7 and Claude Opus 5.5 both shipped in the same week, and the gap between them widened. Grok is still cheaper per token, but on the tasks independent testers…

ElevenLabs Pricing 2026: Plans, Credits & Real Cost Per Minute
Fundamentos de IA e Guias Práticos

ElevenLabs Pricing 2026: Plans, Credits & Real Cost Per Minute

ElevenLabs has six public plans running from $0 to $990 a month, and the sticker price is the easy part. What trips people up is the credit system underneath it…

Meta AI vs ChatGPT: What the Free One Actually Costs
Fundamentos de IA e Guias Práticos

Meta AI vs ChatGPT: What the Free One Actually Costs

Every comparison of Meta AI vs ChatGPT on the first page of Google tells you that Meta AI runs Llama 4. It does not. Meta’s own assistant page says Meta AI is…

GPT-6 Sol and GPT-6 Luna Are Here: OpenAI Just Halved Its API Prices
Notícias de IA

GPT-6 Sol and GPT-6 Luna Are Here: OpenAI Just Halved Its API Prices

OpenAI launched GPT-6 Sol and GPT-6 Luna on 22 September 2026 and cut API prices in half. The catch is where you can actually use them today.

Claude Opus 5.5 Is Here: Price, Benchmarks, and Who Actually Gets It
Notícias de IA

Claude Opus 5.5 Is Here: Price, Benchmarks, and Who Actually Gets It

Anthropic released Claude Opus 5.5 on September 22, 2026, the first model in a new Claude 5.5 family. It does the work of Fable 5.1 at 40% less cost than Opus 5…

Grok 4.7: What Changed, What It Costs and Whether to Upgrade
Notícias de IA

Grok 4.7: What Changed, What It Costs and Whether to Upgrade

SpaceXAI released Grok 4.7 on 21 September 2026 at exactly the price Grok 4.6 cost, $2 per million input tokens and $6 per million output tokens. The token price…

Does Gemini Have a Limit? Gemini Usage Limits Explained
Fundamentos de IA e Guias Práticos

Does Gemini Have a Limit? Gemini Usage Limits Explained

Does Gemini have a limit? Yes, but since May 17, 2026 it is no longer a number of prompts. Gemini meters compute, refreshes every five hours and publishes…

Perplexity vs Gemini: Which One Actually Deserves Your $20?
Fundamentos de IA e Guias Práticos

Perplexity vs Gemini: Which One Actually Deserves Your $20?

Perplexity vs Gemini is not the fight the comparison pages describe. Perplexity already runs a Gemini model on its paid plans, so the question is not which one is…

AI for Seniors: How to Set It Up for a Parent Who Will Not Troubleshoot
Fundamentos de IA e Guias Práticos

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
Fundamentos de IA e Guias Práticos

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)
Fundamentos de IA e Guias Práticos

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 Safety Incidents in 2026: The Running List
Notícias de IA

AI Safety Incidents in 2026: The Running List

The most serious AI safety incidents of 2026 did not happen in the wild. They happened inside the labs’ own testing, and the UK government has now published the…

AI Tattoo Cover Up Generator: What It Cannot See on Your Skin
Fundamentos de IA e Guias Práticos

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…

Claude Prompts: 30 That Work, and Why They Work on Claude
Engenharia de Prompts

Claude Prompts: 30 That Work, and Why They Work on Claude

Most Claude prompt lists are ChatGPT prompts with the name swapped. Claude rewards a different shape: tagged structure, three to five examples, and your documents…

Jev and System One Models: The AI That Answers in Numbers, Not Words
Análises Técnicas de IA

Jev and System One Models: The AI That Answers in Numbers, Not Words

A new AI lab says its model is 444 times cheaper than an LLM and cannot hallucinate. Its own documentation and two independent tests tell a more useful story about…

DeepSeek vs Grok: Cost, Limits and What Each One Refuses
Fundamentos de IA e Guias Práticos

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…

How to Cancel an AI Subscription on Mac and iPhone
Dicas para Mac

How to Cancel an AI Subscription on Mac and iPhone

Most AI cancellations fail for the same reason, which is that the charge comes from Apple rather than from the AI company, and the AI company is not allowed to stop…

Siri AI on Mac: Where It Actually Lives in macOS 27
Dicas para Mac

Siri AI on Mac: Where It Actually Lives in macOS 27

macOS 27 Golden Gate shipped on 14 September 2026, and Siri AI came with it. Most coverage says it is in Spotlight. That is one of four places it lives on a Mac…

ChatGPT Sponsored Agents: The Ads That Talk Back, Explained
Notícias de IA

ChatGPT Sponsored Agents: The Ads That Talk Back, Explained

OpenAI announced on 16 September 2026 that it is testing Sponsored Agents, a ChatGPT ad format you can hold a conversation with. Here is what it is, how to spot…

Tudo o Que Sabemos Sobre o Google Gemini 4: Data de Lançamento, Rumores e o Que Esperar
Notícias de IA

Tudo o Que Sabemos Sobre o Google Gemini 4: Data de Lançamento, Rumores e o Que Esperar

O Gemini 4 é real, a Google nomeou-o e está a ser treinado agora mesmo. A 21 de julho de 2026, enterrada no anúncio de um modelo muito mais pequeno, a Google…

AI Misalignment: OpenAI Just Published Six Times Its Models Went Off Script
Notícias de IA

AI Misalignment: OpenAI Just Published Six Times Its Models Went Off Script

An OpenAI model could not find the historical data it had been asked for, so it wrote itself a note saying it should invent reasonable numbers and "be transparent…

AI File Upload Limits: What Each Chatbot Actually Accepts
Fundamentos de IA e Guias Práticos

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…

Best AI Calendar Assistant for Mac: Which Ones Actually Work With iCloud
Dicas para Mac

Best AI Calendar Assistant for Mac: Which Ones Actually Work With iCloud

Most AI calendar tools are built for Google Calendar, and on a Mac that is the whole problem. Here is which ones actually read and write iCloud, what they really…

iOS 27: Data de Lançamento, Novas Funcionalidades e Todos os iPhones Compatíveis
Notícias de IA

iOS 27: Data de Lançamento, Novas Funcionalidades e Todos os iPhones Compatíveis

O iOS 27 já saiu. A Apple lançou-o na segunda-feira, 14 de setembro de 2026, como atualização gratuita para todos os iPhones a partir do iPhone 11, e a reconstrução…

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