CrewAI vs LangChain
How CrewAI and LangChain compare on real-world demand, licensing, adoption and positioning — straight from the Agent Reality Index.
| Dimension | CrewAI | LangChain |
|---|---|---|
| Agent Reality Index | 60.1 / 100 (#4) | 82.5 / 100 (#1) |
| Monthly search demand | ~13k/mo | ~116k/mo |
| Licensing | Open-source | Open-source |
| Developer adoption | 55k★ on GitHub | 182k★ on GitHub |
| Positioning | High-level / opinionated · Multi-agent team | Low-level / composable · Single-agent |
The verdict
LangChain leads CrewAI on the Agent Reality Index (82.5 vs 60.1), driven mainly by stronger real-world search demand — the heaviest factor in the index. CrewAI remains a credible choice where its positioning fits your workflow better; the row above shows where the two diverge.
Figures auto-generated from the Agent Reality Index and refreshed monthly. How the index is built →