Guides to learn how to write prompts
Free tutorials to write better prompts: what a prompt is, how to structure it, prompts for ChatGPT, Claude, images and video, common mistakes and advanced techniques.
What is a prompt and how does it work
A prompt is the instruction you give an artificial intelligence. Learn its parts, why the result depends so much on how you write it, and how to get started.
How to create a prompt from scratch
A 6-step method to go from a vague idea to a clear, reusable prompt, with a complete end-to-end example.
How to write effective prompts
Ten practical principles to write prompts that work on the first try more often: clarity, specificity, examples, format and review.
How to write prompts for ChatGPT
Practical tips to get more out of ChatGPT: message structure, custom instructions, long conversations, files and reviewing answers.
How to write prompts for Claude
How to write prompts for Anthropic's Claude: direct instructions, rich context, long documents, tags for structure and requests for reasoning.
How to write prompts to generate images
The structure that works best in Midjourney, DALL-E, Stable Diffusion, Flux or Firefly: subject, style, light, composition and parameters, with examples.
How to write prompts to generate videos
How to describe a shot for Runway, Kling, Sora or Veo: one subject, one action, camera movement, light and mood. And how to plan multi-shot videos.
How to improve a bad prompt
A diagnostic process to find out why a prompt is not working and how to fix it, with a before-and-after example and a prompt to let the AI help you.
What are variables in a prompt
Variables turn a prompt into a reusable template. Learn how to define them, name them and use them on HomeCasa Prompts.
What is context in a prompt and how much to give
Context is the information the AI cannot guess. Learn what to include, what to avoid and how to organize documents and data inside a prompt.
How to define roles in a prompt
What telling the AI “act as…” really does, how to choose a good role, combine it with concrete criteria and avoid roles that do not help.
How to structure prompt instructions
Numbered steps, delimiters, sections and logical order: how to organize a long prompt so the AI does not skip anything.
Good and bad prompt examples
Eight comparisons of real prompts for text, code, image and video, explaining what fails in the bad version and what the good one improves.
Common mistakes when writing prompts
The ten most common prompt-writing mistakes and how to avoid them: from missing context to blindly trusting the answer.
Advanced prompting techniques
Few-shot examples, step-by-step reasoning, prompt chaining, self-critique, structured outputs and evaluation: techniques for more reliable results.