---
title: "mempalace vs hold"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/mempalace-mempalace-vs-zc-alexfan-hold"
tools: ["mempalace-mempalace", "zc-alexfan-hold"]
---

# mempalace vs hold

*GraphCanon updated Jul 11, 2026*

## Verdict

Pick mempalace when tags unique to mempalace: chromadb, llm, memory; pick hold when tags unique to hold: 3d-reconstruction, artificial-intelligence, augmented-reality, computer-vision.

[mempalace](http://mempalaceofficial.com/) reports 57k GitHub stars, 7.4k forks, and 616 open issues, last pushed Jul 10, 2026. [hold](https://zc-alexfan.github.io/hold) has 486 stars, 15 forks, and 9 open issues, last pushed Mar 10, 2026. Figures are from public GitHub metadata via [mempalace's repository](https://github.com/MemPalace/mempalace) and [hold's repository](https://github.com/zc-alexfan/hold).

| | [mempalace](/tools/mempalace-mempalace.md) | [hold](/tools/zc-alexfan-hold.md) |
| --- | --- | --- |
| Tagline | The best-benchmarked open-source AI memory system. | [CVPR 2024✨Highlight] Official repository for HOLD, the first method that jointly reconstructs articulated hands and objects from monocular videos without assuming a pre-scanned object template and 3D |
| Stars | 57,215 | 486 |
| Forks | 7,387 | 15 |
| Open issues | 616 | 9 |
| Language | Python | Python |
| Adopt for | MemPalace is an advanced open-source AI memory system that integrates with ChromaDB to optimize machine learning model memories and enhance data retrieval efficiency. | - |
| Persona | - | - |
| Runtime | - | - |
| License | MIT | MIT |
| Categories | Model Training, Vector Databases | Computer Vision, Model Training, Vector Databases |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [mempalace](/tools/mempalace-mempalace.md) | [hold](/tools/zc-alexfan-hold.md) |
| --- | --- | --- |
| Maintenance | Very active (96%) | Slowing (36%) |
| Days since push | 0d | 122d |
| Open issues (now) | 616 | 9 |
| Owner type | Organization | User |
| Security scan | No MCP manifest | 9 low (9 low) |
| Full report | [trust report](/tools/mempalace-mempalace/trust.md) | [trust report](/tools/zc-alexfan-hold/trust.md) |

## Decision facts: mempalace

- **Adopt for:** MemPalace is an advanced open-source AI memory system that integrates with ChromaDB to optimize machine learning model memories and enhance data retrieval efficiency.

## Choose when

### Choose mempalace if…

- Tags unique to mempalace: chromadb, llm, memory.
- mempalace ships Docker support for self-hosted deployment.
- When you need a highly benchmarked solution for managing AI model memories, MemPalace can provide superior performance due to its optimization features integrated specifically around ML model needs.

### Choose hold if…

- Tags unique to hold: 3d-reconstruction, artificial-intelligence, augmented-reality, computer-vision.
- Also covers Computer Vision.
- Leaner open-issue backlog (9).

## When NOT to use mempalace

- Avoid if requiring a proprietary system where full transparency or customization of the memory management layer may not be necessary, since MemPalace is open source and might involve deeper technical啃
- "如果你的应用场景对内存管理层的完全透明或定制化需求不高，因为MemPalace是开源的，可能需要更深的技术介入来满足特定需求。"
- If your project strictly adheres to non-MIT licenses, then MemPalace might not be suitable due to its MIT license which may conflict with licensing requirements.

## When NOT to use hold

- Last GitHub push was 123 days ago (slowing maintenance, Mar 10, 2026). Validate activity before betting a new project on hold.
- Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge.
- Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate.

## Common questions

### What is the difference between mempalace and hold?

mempalace: The best-benchmarked open-source AI memory system.. hold: [CVPR 2024✨Highlight] Official repository for HOLD, the first method that jointly reconstructs articulated hands and objects from monocular videos without assuming a pre-scanned object template and 3D. See the comparison table for live GitHub stats and shared categories.

### When should I choose mempalace over hold?

Choose mempalace over hold when Tags unique to mempalace: chromadb, llm, memory; mempalace ships Docker support for self-hosted deployment; When you need a highly benchmarked solution for managing AI model memories, MemPalace can provide superior performance due to its optimization features integrated specifically around ML model needs.

### When should I choose hold over mempalace?

Choose hold over mempalace when Tags unique to hold: 3d-reconstruction, artificial-intelligence, augmented-reality, computer-vision; Also covers Computer Vision; Leaner open-issue backlog (9).

### When should I avoid mempalace?

Avoid if requiring a proprietary system where full transparency or customization of the memory management layer may not be necessary, since MemPalace is open source and might involve deeper technical啃 "如果你的应用场景对内存管理层的完全透明或定制化需求不高，因为MemPalace是开源的，可能需要更深的技术介入来满足特定需求。" If your project strictly adheres to non-MIT licenses, then MemPalace might not be suitable due to its MIT license which may conflict with licensing requirements.

### When should I avoid hold?

Last GitHub push was 123 days ago (slowing maintenance, Mar 10, 2026). Validate activity before betting a new project on hold. Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate.

### Is mempalace or hold more popular on GitHub?

mempalace has more GitHub stars (57,215 vs 486). Stars measure visibility, not whether either tool fits your constraints.

### Are mempalace and hold open source?

Yes - both are open-source projects on GitHub (mempalace: MIT, hold: MIT).

### Where can I find alternatives to mempalace or hold?

GraphCanon lists graph-backed alternatives at [mempalace alternatives](/tools/mempalace-mempalace/alternatives) and [hold alternatives](/tools/zc-alexfan-hold/alternatives) ([mempalace markdown twin](/tools/mempalace-mempalace/alternatives.md), [hold markdown twin](/tools/zc-alexfan-hold/alternatives.md)), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at [this comparison](/compare/mempalace-mempalace-vs-zc-alexfan-hold.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, mempalace or hold?

mempalace: Very active. hold: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for mempalace and hold?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [mempalace trust report](/tools/mempalace-mempalace/trust); [hold trust report](/tools/zc-alexfan-hold/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=mempalace-mempalace`](/api/graphcanon/graph?tool=mempalace-mempalace)
- 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/_
