langchain vs Prompt-Engineering-Guide

Real adoption data from 295 days of tracking. Updated 2026-09-02.

Quick Take

langchain is growing faster (+0.3% vs +0.2%)

Based on 295 days of tracking, langchain shows stronger momentum with 0.3% weekly growth.

📊 Head to Head

Total Stars
⭐ 145.5k
⭐ 78.0k
Growth Rate
↑0.3%
↑0.2%
Stars Gained
+26.1k
+11.7k

📈 Star Growth Over Time

Based on 295 days of RepoPi snapshots

● langchain ● Prompt-Engineering-Guide

🔍 At a Glance

langchain
Prompt-Engineering-Guide
Language
Python
MDX
Stars
145.5k
78.0k
Growth (295d)
+21.9%
+17.7%
Primary Topics
agents, ai, ai-agents
agent, agents, ai-agents

Choose langchain when...

  • You work primarily in the Python ecosystem
  • You need agents, ai capabilities
  • You value a large, active community (145.5k+ stars)
  • You prefer a project with proven momentum (+21.9% tracked growth)
Full langchain analysis →

Choose Prompt-Engineering-Guide when...

  • You work primarily in the MDX ecosystem
  • You need agent, agents capabilities
  • You value a large, active community (78.0k+ stars)
  • You prefer a project with proven momentum (+17.7% tracked growth)
Full Prompt-Engineering-Guide analysis →