Side-by-side comparison · apps and saas, open source
LangChain vs LlamaIndex
What we have checked about each, line by line. Every value shows where it came from and when we last confirmed it.
Apps and SaaS
LangChain
LangChain provides the engineering platform and open source frameworks developers use to build, test, and deploy reliable AI agents.
Open Source
LlamaIndex
The data framework for LLM apps. RAG, ingestion, structured extraction, agents over your data.
Checked facts
Line by line
| Measure | LangChain | LlamaIndex |
|---|---|---|
| Developer plan | Free tier available | Not checked yet |
| Plus plan | $39.00 per seat a month | Not checked yet |
| Latest version | Not checked yet | 0.14.25 (for 21 Sept 2026) |
| Days since the last commit | Not checked yet | 0 |
| GitHub forks | Not checked yet | 8,530 |
| GitHub stars | Not checked yet | 52,837 |
| Days to a first reply on issues | Not checked yet | 0.4 |
| Open issues | Not checked yet | 385 |
| Releases in the last 90 days | Not checked yet | 2 |
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