langchain vs Prompt-Engineering-Guide
| langchain | Prompt-Engineering-Guide | |
|---|---|---|
| Description | The agent engineering platform. | 🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents. |
| Author | langchain-ai | dair-ai |
| Stars | 147909 | 79211 |
| Language | Python | MDX |
| License | MIT | MIT |
| Last update | 2026-10-15T20:15:17Z | 2026-03-11T20:09:13Z |
| Source | https://github.com/langchain-ai/langchain | https://github.com/dair-ai/Prompt-Engineering-Guide |
langchain has more community adoption (stars); langchain was updated more recently.