Comparison
Acontext vs MemOS
Verdict
Pick Acontext if acontext targets those needing advanced context engineering and observability for AI agents in their systems, leveraging its JavaScript focus; pick MemOS if memOS is a self-evolving operating system tailored for LSTM systems and AI agents, offering ultra-persistent memory, hybrid retrieval technologies, and skill reuse across tasks.
Markdown twin · Acontext alternatives · MemOS alternatives
GraphCanon updated today
Trust & integrity
| Signal | Acontext | MemOS |
|---|---|---|
| Maintenance | Very active (6d since push) As of 4w · github_public_v1 | Very active (0d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Organization account As of 4w · github_public_v1 | Not a fork · Organization account As of today · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · 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
- Acontext
- Agent Skills as a Memory Layer
- MemOS
- Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse
Stars
- Acontext
- 3.6k
- MemOS
- 11k
Forks
- Acontext
- 326
- MemOS
- 994
Open issues
- Acontext
- 36
- MemOS
- 84
Language
- Acontext
- JavaScript
- MemOS
- TypeScript
Adopt for
- Acontext
- Acontext targets those needing advanced context engineering and observability for AI agents in their systems, leveraging its JavaScript focus.
- MemOS
- MemOS is a self-evolving operating system tailored for LSTM systems and AI agents, offering ultra-persistent memory, hybrid retrieval technologies, and skill reuse across tasks.
Persona
- Acontext
- -
- MemOS
- -
Runtime
- Acontext
- -
- MemOS
- -
License
- Acontext
- Apache-2.0
- MemOS
- MemOS is available under the Apache-2.0 license, allowing you to use it freely with certain conditions.
Last pushed
- Acontext
- Jul 14, 2026
- MemOS
- Aug 18, 2026
Categories
- Acontext
- AI Agents, Evaluation & Observability
- MemOS
- AI Agents, Data & Retrieval
Trust and health
Days since push
- Acontext
- 6d
- MemOS
- 0d
Open issues (now)
- Acontext
- 36
- MemOS
- 84
Stars delta
- Acontext
- Unknown
- MemOS
- +497 (30d)
Open issues delta
- Acontext
- Unknown
- MemOS
- +4 (30d)
Full report
- Acontext
- Trust report
- MemOS
- Trust report
Choose Acontext if…
- Acontext is primarily JavaScript; MemOS is TypeScript.
- Pricing: Not specified. The open-source Apache-2.0 license suggests free usage..
- Requirements: Supports Python and TypeScript SDK installation, favoring JavaScript for development.
- Tags unique to Acontext: agent-development-kit, ai-agent, llm-observability, memory.
- Also covers Evaluation & Observability.
- - You are working on an AI agent that requires a sophisticated memory layer to manage complex contexts effectively.
When NOT to use Acontext
- - If you need a solution focused purely on backend integration without emphasizing context engineering or the specific skills Acontext provides for agent observability.
- - When you do not require advanced memory management tools and simple data platforms sufficiently meet your needs, making alternatives more suitable.
Choose MemOS if…
- MemOS is primarily TypeScript; Acontext is JavaScript.
- Pricing: Pricing details are not clearly specified in the repository data, but the self-hosted option provides flexibility at the expense of managing infrastructure costs..
- Requirements: Requires Docker; Self-hosting MemOS typically requires setting up Neo4j and Qdrant. The cloud API or OpenClaw Cloud Plugin options do not require these components..
- Tags unique to MemOS: agent, agentic-ai, llm, long-term-memory.
- Also covers Data & Retrieval.
- MemOS ships Docker support for self-hosted deployment.
- If you require ultra-persistent memory management within your application for long-term storage.
When NOT to use MemOS
- If you prefer fully managed solutions and have no preference over where your data is stored (hosted in MemOS Cloud).
- When minimal setup overhead is a critical requirement since self-hosting MemOS necessitates Neo4j and Qdrant for optimal performance.
- In scenarios preferring simpler on-device solutions as MemOS could be more complex to set up compared to other lightweight plugins or services.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (memodb-io/Acontext) · observed Jul 21, 2026
- GitHub forks (memodb-io/Acontext) · observed Jul 21, 2026
- Last push (memodb-io/Acontext) · observed Jul 14, 2026
- License file (Apache-2.0) · observed Jul 21, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (MemTensor/MemOS) · observed Aug 18, 2026
- GitHub forks (MemTensor/MemOS) · observed Aug 18, 2026
- Last push (MemTensor/MemOS) · observed Aug 18, 2026
- License file (Apache-2.0) · observed Aug 18, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: Acontext 3.6k · MemOS 11k (synced Jul 21, 2026).
Common questions
- What is the difference between Acontext and MemOS?
- Acontext: Agent Skills as a Memory Layer. MemOS: Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse. See the comparison table for live GitHub stats and shared categories.
- When should I choose Acontext over MemOS?
- Choose Acontext over MemOS when Acontext is primarily JavaScript; MemOS is TypeScript; Pricing: Not specified. The open-source Apache-2.0 license suggests free usage.; Requirements: Supports Python and TypeScript SDK installation, favoring JavaScript for development; Tags unique to Acontext: agent-development-kit, ai-agent, llm-observability, memory; Also covers Evaluation & Observability; - You are working on an AI agent that requires a sophisticated memory layer to manage complex contexts effectively.
- When should I choose MemOS over Acontext?
- Choose MemOS over Acontext when MemOS is primarily TypeScript; Acontext is JavaScript; Pricing: Pricing details are not clearly specified in the repository data, but the self-hosted option provides flexibility at the expense of managing infrastructure costs.; Requirements: Requires Docker; Self-hosting MemOS typically requires setting up Neo4j and Qdrant. The cloud API or OpenClaw Cloud Plugin options do not require these components.; Tags unique to MemOS: agent, agentic-ai, llm, long-term-memory; Also covers Data & Retrieval; MemOS ships Docker support for self-hosted deployment; If you require ultra-persistent memory management within your application for long-term storage.
- When should I avoid Acontext?
- - If you need a solution focused purely on backend integration without emphasizing context engineering or the specific skills Acontext provides for agent observability. - When you do not require advanced memory management tools and simple data platforms sufficiently meet your needs, making alternatives more suitable.
- When should I avoid MemOS?
- If you prefer fully managed solutions and have no preference over where your data is stored (hosted in MemOS Cloud). When minimal setup overhead is a critical requirement since self-hosting MemOS necessitates Neo4j and Qdrant for optimal performance. In scenarios preferring simpler on-device solutions as MemOS could be more complex to set up compared to other lightweight plugins or services.
- Is Acontext or MemOS more popular on GitHub?
- MemOS has more GitHub stars (10,758 vs 3,583). Stars measure visibility, not whether either tool fits your constraints.
- Are Acontext and MemOS open source?
- Yes - both are open-source projects on GitHub (Acontext: Apache-2.0, MemOS: Apache-2.0).
- Where can I find alternatives to Acontext or MemOS?
- GraphCanon lists graph-backed alternatives at Acontext alternatives and MemOS alternatives (Acontext markdown twin, MemOS 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, Acontext or MemOS?
- Acontext: Very active. MemOS: 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 Acontext and MemOS?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: Acontext trust report; MemOS trust report.