---
title: "caveman vs HRM"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/juliusbrussee-caveman-vs-sapientinc-hrm"
tools: ["juliusbrussee-caveman", "sapientinc-hrm"]
---

# caveman vs HRM

Neutral, constraint-first comparison with live GitHub stats.

| | [caveman](/tools/juliusbrussee-caveman.md) | [HRM](/tools/sapientinc-hrm.md) |
| --- | --- | --- |
| Tagline | Cuts 65% of tokens in AI coding agent responses. | Hierarchical Reasoning Model Official Release |
| Stars | 86,189 | 12,587 |
| Forks | 4,805 | 1,833 |
| Open issues | 370 | 76 |
| Language | JavaScript | Python |
| License | MIT | Apache-2.0 |
| Categories | LLM Frameworks, Developer Tools | LLM Frameworks, Evaluation & Observability |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=juliusbrussee-caveman`](/api/graphcanon/graph?tool=juliusbrussee-caveman)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_