Answers to the questions people search for
Short, direct answers built from what people are searching right now (Google autocomplete, Oct 29, 2026), with facts checked against official pages.
Can AI control a PLC or SCADA system?
It can technically send commands, but it shouldn't. Use AI to read, explain and draft changes, and keep writes with qualified people.
How do I run an AI chatbot fully offline on Linux?
Build llama.cpp from source, copy a GGUF model file to the machine, and run llama-server bound to 127.0.0.1.
Is ChatGPT free, and what do you get on the free plan?
Yes. ChatGPT has a Free plan. OpenAI lists GPT-6 text, limited uploads, images, voice and limited deep research on Free, with about 27K tokens of context (
ChatGPT vs Claude vs Gemini: which should you use?
Pick by job, not brand: ChatGPT for an all-round assistant with Projects on every plan; Claude for long documents, careful writing and code; Gemini if you
Perplexity vs ChatGPT: which is better for research?
For quick research where every claim needs a link, Perplexity is built for it: it searches and answers with numbered citations. ChatGPT is the broader assi
When does Claude's usage limit reset?
On paid plans, Claude has a session limit that resets every five hours and weekly limits that reset once a week. Everything you do in claude.ai, Claude Cod
How do I install Claude Code?
Open a terminal and run Anthropic's native installer: curl -fsSL https://claude.ai/install.sh | bash on macOS, Linux or WSL, or irm https://claude.ai/insta
GitHub Copilot Free vs Pro: what's the difference?
Free costs $0 with limited chat and agent use. Pro is $10/month and includes $15 of AI credits a month ($10 base + $5 flex). 1 AI credit = $0.01 (GitHub).
What's the best AI for coding: GitHub Copilot, Cursor or Claude Code?
They fit different habits. GitHub Copilot lives in your existing editor and on github.com (from $0; Pro $10/mo). Cursor is a whole AI code editor (Free to
How do I use Copilot in Excel?
Copilot in the desktop Excel app comes with a Microsoft 365 plan (Personal, Family owner, Premium or a business plan with Copilot). Open your workbook, ope
Is DeepSeek free, and is it safe to use?
The official DeepSeek iOS app is free. The developer API is billed per token. 'Safe' depends on what you share: check the publisher (Hangzhou DeepSeek Arti
How do I make ChatGPT (or any chatbot) less of a 'yes man'?
Ask for disagreement and evidence explicitly. Tell it to argue the other side, to quote sources, and to write 'unknown' instead of guessing. Put that in yo
How do I cancel a ChatGPT, Claude, Gemini, Copilot or Perplexity subscription?
Cancel where you paid, at least a day before renewal, and screenshot the confirmation. App Store and Google Play subscriptions are cancelled in your Apple
How do I make my AI chats more private (history, memory, training)?
Every major assistant has a privacy setting: ChatGPT has Data controls and Memory, Claude has a Privacy setting for model training, and Gemini has Gemini A