Comparison
caveman vs HRM
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| caveman | HRM | |
|---|---|---|
| Tagline | Cuts 65% of tokens in AI coding agent responses. | Hierarchical Reasoning Model Official Release |
| Stars | 86k | 13k |
| Forks | 4.8k | 1.8k |
| Open issues | 370 | 76 |
| Language | JavaScript | Python |
| License | MIT | Apache-2.0 |
| Last pushed | Jul 3, 2026 | Mar 31, 2026 |
| Categories | LLM Frameworks, Developer Tools | LLM Frameworks, Evaluation & Observability |
Choose caveman if…
- More widely adopted - 86k stars vs 13k.
- More recently updated (last pushed Jul 3, 2026).
- Also covers Developer Tools.