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Agents tracked: 442 Downloads (7d): 202M down 19.3% GitHub stars: 10.4M Releases (7d): 693 Agent status: 1 with issuesSince last limit reset: Claude 28d · Codex 1d Updated Oct 21, 2026

MemOS by MemTensor

Open-source memory operating system for LLMs and AI agents: persistent memory, hybrid retrieval and reuse of skills across tasks.

Agent tooling for cost, context and memory New · Added to AgentGid on Oct 20, 2026Open source · Apache-2.0Free to start
Price
Free (OSS)
free and open source
Popularity
#53 in Agent tooling
Gid Score 24 / 100 · #53 of 65 ranked agent tools
Trend
Growing fast
usage up 53.1% over 30 days
Development
Actively updated
latest 2.0.34, 28d ago
Community
12K GitHub stars
1,055 package downloads a week

Usage data: latest readings Oct 19 to Oct 21, 2026, last checked Oct 21, 06:33 UTC. Date of each number

What MemOS does

It is free and open source (Apache-2.0); you pay only for the models it calls.

Key facts

MakerMemTensor
First releasedJuly 2025
LicenseApache-2.0
Main languageTypeScript
Open issues and PRs150

Pricing

Open source under the Apache-2.0 licence; check the website for any paid hosted plans.

, checked Oct 20, 2026. Prices change often; confirm before you buy.

Compare prices of all agents

Quick answers

Get started with MemOS

PyPIpip install MemoryOS

These commands use the packages tracked on this page. The vendor may recommend a different installer.

Compare MemOS with another agent

vs
# Agent Gid Score Downloads 7d 7d 30d Stars Latest release Price
1
OpenShellNVIDIA
77 101K down 14.1% up 381.4% 16.8K+103/day 0.1.5yesterday Free (OSS)
2
LiteLLM NewBerriAI
72 22.9M up 4.3% — 61.7K+79/day 1.104.5today Free (OSS)
3 69 — — — 22.8K+10/day — Free (OSS)
4
Langfuse NewLangfuse
64 9.5M down 17.1% up 17.7% 36.1K+48/day 4.66.0yesterday Free + $29/mo
5
Firecrawl NewFirecrawl
64 2M down 19.8% up 0.3% 194K+350/day 2.11.04mo ago Free + $16/mo
6
E2B NewE2B
60 3.2M down 14.5% up 21.9% 14.5K+21/day 2.11.2yesterday Free + $150/mo

Ratings from people who use MemOS

No ratings yet. Used MemOS? Rate it and say what it is good and bad at.

MemOS news

All AI agent news

  1. New on AgentGid AgentGid

    17 agents added to AgentGid

    Hindsight, Cherry Studio, Google Workspace CLI, Cognee, Hypit, GenOffice, Ego Lite, cc-haha, Hive, Moli, Vibe-Trading, MemOS and 5 more

What changed: recent MemOS releases

16 stable releases in the last 90 days · Full changelog

2.0.34
  • MemoryOS 2.0.34 release.
  • <!-- doc-agent-local-plugin-release-intent…
2.0.20
  • Memory Recovery and Capture Boundaries: Fixed dirty-data recovery, orphan trace writes, and LLM empty-response retry stability issues.
  • Memory Evolution and Hermes Installation Improvement: Improved the reliability of memory evolution and Hermes installation, enhancing overall performance.
Earlier releases
2.0.19
  • Fixed OpenClaw Installation: Restored the installation and automatic memory hooks for OpenClaw.
2.0.33
  • ci: make local plugin release notes resilient to large releases
  • fix: normalize numeric local-plugin source refs
  • Preference memory fixes
  • chore: change version number to dev-v2.0.33
  • fix: Improve the extraction link of SkillMemory
2.0.18
  • Memory Recovery and Capture Boundaries: Fixed dirty-data recovery, orphan trace writes, and LLM empty-response retry stability issues.
  • Memory Recovery and Capture Boundaries: Fixed dirty-data recovery, orphan trace writes, and LLM empty-response retry stability issues.
  • Hermes and Bridge Experience: Combines Hermes, provider, and bridge-flow improvements to reduce startup and connection friction.
2.0.32
  • feat(plugin): add DeepSeek Harness memory adapter
  • fix(plugin): resolve DSH Viewer assets in clean builds
  • chore: sync MemOS Cloud OpenClaw plugin
  • docs: highlight DeepSeek Harness integrations in README
  • docs: announce DeepSeek Harness support
  • fix: (embedders)preserve config for cached factory instances

MemOS popularity and usage data

MemOS was downloaded 1,055 times from PyPI in the week ending Oct 19, 2026, down 14.6% on the week before and up 53.1% over the last 30 days compared with the 30 before. The GitHub repository has 12K stars, 533 of them added in the last 30 days. The latest stable release is 2.0.34, published Sep 23, 2026; there were 2 stable releases in the past 30 days.

Downloads per dayPyPI, 7-day average 151/day
GitHub starsrunning total 12K

Download the raw daily series: memos.csv

Gid Score breakdown

Adoption0
Community45
Attention—
Momentum76

Each component is scored 0 to 100 from public signals; a dash means no data for it. Methodology.

How fresh these numbers are

NumberLatest readingLast checked
Package downloadsOct 19, 2026Oct 21, 06:31 UTC
GitHub starsOct 21, 2026Oct 21, 06:33 UTC

We fetch every source once a day. Registries publish downloads and page views a day or two late, so their latest reading trails the check. A reading more than 4 days old is marked out of date; the Gid Score still uses it until a newer one arrives.

MemOS FAQ

How much does MemOS cost?

Open source under the Apache-2.0 licence; check the website for any paid hosted plans.

Is MemOS open source?

Yes. MemOS is open source, released under the Apache-2.0 license.

How popular is MemOS?

MemOS was downloaded 1,055 times from PyPI in the week ending Oct 19, 2026, down 14.6% on the week before and up 53.1% over the last 30 days compared with the 30 before. The GitHub repository has 12K stars, 533 of them added in the last 30 days. The latest stable release is 2.0.34, published Sep 23, 2026; there were 2 stable releases in the past 30 days.

What is the latest version of MemOS?

The latest stable release we track is 2.0.34, published on Sep 23, 2026.

What are the alternatives to MemOS?

The closest alternatives in the same category by Gid Score are OpenShell, LiteLLM, NVIDIA NemoClaw, Langfuse.

For the makers of MemOS badges, corrections

Add a live badge to your README or site:

AgentGid: #53 in Agent tooling Gid Score: 24/100 downloads: 1,055/week ▲53%

[![AgentGid: #53 in Agent tooling](https://agentgid.com/badges/memos-rank.svg)](https://agentgid.com/agents/memos/)
[![Gid Score: 24/100](https://agentgid.com/badges/memos-score.svg)](https://agentgid.com/agents/memos/)
[![downloads: 1,055/week ▲53%](https://agentgid.com/badges/memos-downloads.svg)](https://agentgid.com/agents/memos/)

Something wrong or outdated on this page? Send a correction with a link to the official source. More for makers.

Where these numbers come from

PyPI: MemoryOS. GitHub: memtensor/memos. Site rank: openmem.net on the Tranco list. See data sources for how each one is collected.

Product facts and pricing were checked against: memos.openmem.net, github.com, pypi.org.