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Project comparison
Koog vs langchain
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
Koog
Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problems
Best matched with other agent tools.
4.6K
Stars
+381
Weekly
70/100
Health
147.4K
Stars
+599
Weekly
84/100
Health
Quick Take
Adoption
langchain has the larger GitHub footprint with 147.4K stars.
Momentum
langchain is currently growing faster at +599 stars this week.
Maintenance
langchain has the stronger automated maintenance signal at 84/100. This is not a security or fit verdict.
Side-by-side evidence
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Koog | langchain |
|---|---|---|
| Evidence status | Basic listing· 2026-10-04 09:18 UTC | Verified snapshot· 2026-10-04 09:19 UTC |
| GitHub stars | 4.6K | 147.4K |
| Weekly growth | +381 | +599 |
| Health score | Healthy70/100 | Strong84/100 |
| Contributors | 125 | 3.7K |
| Commits per week | 1.2 | 50.5 |
| Open issues | 191 | 569 |
| Language | Kotlin | Python |
| License | Apache-2.0 | MIT |
| Last commit | 2026-09-07 09:23 UTC | 2026-10-03 08:31 UTC |
| Last release | 1.2.0 | langchain-core==1.4.0 |
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