Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms โ 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
The agent that grows with you
Hermes Agent has the larger GitHub footprint with 144.7K stars.
Koog is currently growing faster at 0 stars this week.
Hermes Agent has the stronger health score at 80/100.
| Signal | Koog | Hermes Agent |
|---|---|---|
| GitHub stars | 4.2K | 144.7K |
| Weekly growth | 0 | 0 |
| Health score | 75 | 80 |
| Contributors | 117 | 1.0K |
| Commits per week | 21.5 | 610.4 |
| Open issues | 131 | 10.2K |
| Language | Kotlin | Python |
| License | Apache-2.0 | MIT |
| Last commit | 16h ago | 14h ago |
| Last release | 0.8.0 | v2026.5.7 |
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