promptfoo tests prompts, agents, and retrieval-augmented generation systems, with red teaming and vulnerability scanning.
Open source
24 alternativesPrompt Engineering Guide
github.com/dair-ai/Prompt-Engineering-Guide
AI Directories & Resources
Open-source projectOpen source
Prompt Engineering Guide collects lessons, papers, notebooks, and resources on prompting, retrieval-augmented generation, and AI agents.
About Prompt Engineering Guide
Prompt Engineering Guide is an open-source GitHub repository from DAIR.AI that collects guides, papers, lessons, notebooks and resources on prompt engineering, context engineering, retrieval-augmented generation (RAG) and AI agents. Its written guides cover topics such as LLM settings, prompt elements and design tips, zero-shot and few-shot prompting, chain-of-thought prompting, self-consistency, prompt chaining, tree of thoughts, ReAct and graph prompting, alongside application-focused material on classification, coding, evaluation, image generation, mathematics and summarization. The repository notes that the most up-to-date guides live on the separate promptingguide.ai website, and that the material is available in 13 languages. DAIR.AI also offers self-paced courses under its Academy and services such as corporate training, consulting and talks, which are separate from the repository content.
Key features
- Guides on prompting techniques including zero-shot, few-shot and chain-of-thought
- Sections covering retrieval-augmented generation and AI agents
- Papers, lessons, notebooks and lecture materials collected in one repository
- Application guides for classification, coding, evaluation and summarization
- Guide material available in 13 languages
- Separate web version hosted at promptingguide.ai
Best for: Developers, researchers and learners who want open-source reference material on prompting, RAG and AI agent techniques.
Good for
- Open-source repository with publicly browsable guides, papers, notebooks and resources
- Broad topic coverage spanning prompting techniques, RAG, AI agents and applications
- Guide material is translated into 13 languages, with more translations welcomed
Watch out for
- The repository states that the most up-to-date guides are on the separate promptingguide.ai site
- Hands-on courses sit under DAIR.AI Academy rather than in the repository and require enrollment
- Corporate training, consulting and talks are offered as separate services, not as repository content
Prompt Engineering Guide at a glance
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Prompt Engineering Guide FAQ
What topics does the guide cover?
It covers prompt engineering and context engineering, retrieval-augmented generation and AI agents, and includes guides, papers, lessons, notebooks and references. Listed guide topics range from basic prompting and LLM settings to techniques such as chain-of-thought, self-consistency, ReAct and graph prompting, plus application areas like coding, evaluation and summarization.
Is the guide available in languages other than English?
The repository states that it now supports 13 languages and welcomes more translations.
Are there courses in addition to the repository content?
Yes. DAIR.AI offers self-paced prompt engineering, RAG and AI agents courses under DAIR.AI Academy, described as complementing the guide with a more hands-on approach. A discount code, PROMPTING20, is advertised for the courses.
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