By tool

By tool

Coding Assistants: How to Scope a Task Well

A coding assistant that edits several files needs a goal, a scope, and a success criterion. A brief template and how to review the result.

5 min read

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ChatGPT, Claude or Gemini: Which One to Choose for Your Use Case

A comparison by use case, with no ranking: writing, analysis, research, coding, image creation. Plus a simple test to settle it with your own tasks.

8 min read

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How to write an effective ChatGPT prompt: method and examples

A failed prompt fixed line by line, limits that stop it from making things up, and the ChatGPT settings worth knowing, with templates to copy.

9 min read

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How to Write an Effective Claude Prompt: The Practical Guide

XML tags, long documents, examples, projects, and skills: what really changes Claude's answers, and what no longer matters much.

9 min read

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How to Write an Effective Gemini Prompt: Guide and Examples

Persona, task, context, format, Gmail and Drive, Deep Research: how to talk to Gemini and make the most of Google without giving it free rein.

8 min read

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Generating images in ChatGPT: what changes in the prompt

In ChatGPT, you ask for an image in conversation and correct it one sentence at a time. How to describe the scene, add text, and iterate without starting over.

3 min read

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Running an AI model on your own computer

What a locally installed AI model makes possible: privacy, the hardware you need, tools to get started, and how to adapt your prompts to a small model.

6 min read

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GitHub Copilot Prompts: Comments, Context, and Chat

How to guide GitHub Copilot: write the comment that comes before the code, choose the chat context, set project rules, and review what it suggests.

4 min read

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Microsoft Copilot prompts: Word, Excel, Outlook, and Teams

How to phrase your requests to Copilot in Word, Excel, Outlook, and Teams, with ready-to-adapt prompts and the checks you shouldn't skip.

4 min read

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Mistral's Le Chat, now Vibe: how to use it well

Le Chat is now called Vibe. What changed, how to hand it a task, turn on web search, create a skill, and set your data preferences.

6 min read

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NotebookLM: Working From Your Own Sources

How to query NotebookLM on your documents: choosing sources, asking questions that force citations, and spotting what it still makes up.

4 min read

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Perplexity Prompts: Search Better and Verify Your Sources

How to ask Perplexity a research question, cross-check its sources, frame Deep Research, and avoid mistaking a citation for proof.

6 min read