Home/Compare/memory-os vs mempalace

Comparison

memory-os vs mempalace

Verdict

Pick memory-os if memory-OS is a memory operating system tailored for Hermes Agent, focusing on local-first, self-hosted persistent storage and seamless integration with any LLM provider using Qdrant as the vector database; pick mempalace if mempalace is an open-source AI memory system that leverages ChromaDB as its default vector-store backend, supporting Python 3.9+ and offering both local and server-based embedding.

Markdown twin · memory-os alternatives · mempalace alternatives

GraphCanon updated Oct 4, 2026

16views this month

memory-os logo

memory-os

ClaudioDrews/memory-os

★ 1.4kpushed Jun 10, 2026
vs
mempalace logo

mempalace

MemPalace/mempalace

★ 59kpushed Sep 18, 2026

Trust & integrity

Signalmemory-osmempalace
Maintenance
Slowing (101d since push)
As of Sep 20, 2026 · github_public_v1
Very active (0d since push)
As of Sep 18, 2026 · github_public_v1
Provenance
Not a fork · Personal account
As of Sep 20, 2026 · github_public_v1
Not a fork · Organization account
As of Sep 18, 2026 · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of Jul 11, 2026 · osv@v1
No lockfile (source not queried)
As of Oct 4, 2026 · osv@v1
deps.dev advisories
Not queried
deps.dev@v1
Not queried
deps.dev@v1
OpenSSF Scorecard
Not queried
openssf-scorecard@v1
Not queried
openssf-scorecard@v1

Tagline

memory-os
A 7-layer memory operating system for Hermes Agent with persistent memory and context injection
mempalace
The best-benchmarked open-source AI memory system

Stars

memory-os
1.4k
mempalace
59k

Forks

memory-os
128
mempalace
7.6k

Open issues

memory-os
9
mempalace
735

Language

memory-os
Python
mempalace
Python

Adopt for

memory-os
Memory-OS is a memory operating system tailored for Hermes Agent, focusing on local-first, self-hosted persistent storage and seamless integration with any LLM provider using Qdrant as the vector database.
mempalace
mempalace is an open-source AI memory system that leverages ChromaDB as its default vector-store backend, supporting Python 3.9+ and offering both local and server-based embedding options.

Persona

memory-os
-
mempalace
-

Runtime

memory-os
-
mempalace
-

License

memory-os
MIT
mempalace
MIT

Last pushed

memory-os
Jun 10, 2026
mempalace
Sep 18, 2026

Categories

memory-os
AI Agents, Vector Databases
mempalace
Data & Retrieval, Vector Databases

Trust and health

Maintenance

memory-os
Slowing (36%)
mempalace
Very active (96%)

Days since push

memory-os
101d
mempalace
0d

Open issues (now)

memory-os
9
mempalace
735

Stars delta

memory-os
+75 (30d)
mempalace
+743 (30d)

Open issues delta

memory-os
+2 (30d)
mempalace
+31 (30d)

Owner type

memory-os
User
mempalace
Organization

Full report

memory-os
Trust report
mempalace
Trust report

Typed relationship

memory-os alternative mempalaceBoth Memory OS and Mempalace provide an AI memory system, aiming to enhance the performance of AI agents with persistent memory features.

Shared compatibility

  • Python · memory-os: Python runtime · mempalace: Python runtime

Choose memory-os if…

  • Both Memory OS and Mempalace provide an AI memory system, aiming to enhance the performance of AI agents with persistent memory features.
  • Tags unique to memory-os: ai-memory, context-injection, docker, ground-truth.
  • Also covers AI Agents.
  • - You are working with Hermes Agent and require a sophisticated memory management solution that operates locally.

When NOT to use memory-os

  • - If you are looking for a completely cloud-managed service without any local setup or maintenance needs.
  • - Your use case does not align with Hermes Agent; Memory-OS is specifically designed to complement this agent's functions and won't provide the same benefits when used independently.

Choose mempalace if…

  • Both Memory OS and Mempalace provide an AI memory system, aiming to enhance the performance of AI agents with persistent memory features.
  • Tags unique to mempalace: ai, chromadb, embedding, llm.
  • Also covers Data & Retrieval.
  • mempalace ships Docker support for self-hosted deployment.
  • When you need a benchmarked open-source AI memory system that supports a wide range of languages through the embeddinggemma-300m model.

When NOT to use mempalace

  • If you are working in an environment where Python 3.9+ is not available, as mempalace requires this version or higher.
  • When you need a system that does not require at least 300 MB of disk space for the embedding model, as mempalace requires this minimum space for its recommended multilingual model.

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: memory-os 1.4k · mempalace 59k (synced Sep 20, 2026).

Common questions

What is the difference between memory-os and mempalace?
memory-os: A 7-layer memory operating system for Hermes Agent with persistent memory and context injection. mempalace: The best-benchmarked open-source AI memory system. See the comparison table for live GitHub stats and shared categories.
When should I choose memory-os over mempalace?
Choose memory-os over mempalace when Both Memory OS and Mempalace provide an AI memory system, aiming to enhance the performance of AI agents with persistent memory features; Tags unique to memory-os: ai-memory, context-injection, docker, ground-truth; Also covers AI Agents; - You are working with Hermes Agent and require a sophisticated memory management solution that operates locally.
When should I choose mempalace over memory-os?
Choose mempalace over memory-os when Both Memory OS and Mempalace provide an AI memory system, aiming to enhance the performance of AI agents with persistent memory features; Tags unique to mempalace: ai, chromadb, embedding, llm; Also covers Data & Retrieval; mempalace ships Docker support for self-hosted deployment; When you need a benchmarked open-source AI memory system that supports a wide range of languages through the embeddinggemma-300m model.
When should I avoid memory-os?
- If you are looking for a completely cloud-managed service without any local setup or maintenance needs. - Your use case does not align with Hermes Agent; Memory-OS is specifically designed to complement this agent's functions and won't provide the same benefits when used independently.
When should I avoid mempalace?
If you are working in an environment where Python 3.9+ is not available, as mempalace requires this version or higher. When you need a system that does not require at least 300 MB of disk space for the embedding model, as mempalace requires this minimum space for its recommended multilingual model.
Is memory-os or mempalace more popular on GitHub?
mempalace has more GitHub stars (59,143 vs 1,366). Stars measure visibility, not whether either tool fits your constraints.
Are memory-os and mempalace open source?
Yes - both are open-source projects on GitHub (memory-os: MIT, mempalace: MIT).
Where can I find alternatives to memory-os or mempalace?
GraphCanon lists graph-backed alternatives at memory-os alternatives and mempalace alternatives (memory-os markdown twin, mempalace markdown twin), 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 mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, memory-os or mempalace?
memory-os: Slowing. mempalace: Very active. 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 memory-os and mempalace?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: memory-os trust report; mempalace trust report.

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