Large Language Model (LLM) prompting guides
This is a “live” collection of the best Large Language Model (LLM) prompting guides I find online that help me write better prompts and in general get the most value possible out of LLMs.
LLM providers
Anthropic
Models: https://docs.anthropic.com/en/docs/about-claude/models/all-models (e.g. Claude 3.7 Sonnet)
- Prompt engineering overview
- Claude Code: Best practices for agentic coding
- Anthropic Cookbook - GitHub
OpenAI
Models: https://platform.openai.com/docs/models (e.g. GPT4.1)
- Text generation and prompting
- GPT-4.1 Prompting Guide
- OpenAI Cookbook (see GitHub)
- Best practices for prompt engineering with the OpenAI API
Models: https://ai.google/get-started/our-models/ (e.g. Gemini 2.5 Pro)
- Prompt design strategies
- Prompt engineering: overview and guide
- Generative AI prompt samples
- Introduction to prompting
- Prompt Engineering by Lee Boonstra (direct PDF)
- Prompting guide 101 - A quick-start handbook for effective prompts
- The Art of the Prompt - A prompt guide for Strategists and Creatives
ElevenLabs