I've spent 500+ hours mastering prompts.

These 11 free guides would've cut that in half:

——

1. OpenAI Academy: academy.openai.com/publ…

——

2. Gemini Prompting Guide: services.google.com/fh/…

——

3. Anthropic Academy: anthropic.com/learn

——

4. How to Prompt: ruben.substack.com/p/go…

——

5. 7 Prompting Sins: ruben.substack.com/p/th…

——

6. Nano Banana prompting guide: ruben.substack.com/p/ba…

——

7. OpenAI Prompt pack: academy.openai.com/publ…

——

8. Prompt ChatGPT 5.2: ruben.substack.com/p/52

——

9. Veo Prompting guide: docs.cloud.google.com/v…

——

10. ChatGPT 5.2 prompt anatomy: linkedin.com/feed/updat…

——

11. 80-page Prompt Engineering Guide: arxiv.org/pdf/2406.06608

——

PS: I'm Ruben Hassid, and I want us to master AI before it masters us, with simple instructions.

Follow me never to miss my 2x daily posts.

You want to help someone in your network? ♻️ Restack this so they can find the best free resources.