Comparison

LangMem vs Mem0

On the evidence we track, Mem0 leads this comparison with a composite score of 53/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
LangMem47
Mem053
Score
Vioscale score
LangMem47 / 100low · 31%
Mem053 / 100medium · 54%
Pricing
Free tier
LangMem
Mem0
Model
Price level
LangMemfree
Mem0low
Transparent
LangMem
Mem0
Integrations
Count
LangMem2
Mem016
Adoption
Dependent repos
LangMem0
Mem0
Github stars
LangMem1,626
Mem0
Activity
Commits last 30d
LangMem4
Mem0
License
Spdx
LangMemMIT
Mem0
Language
Primary
LangMemPython
Mem0

Capabilities

Feature-by-feature on the axes that matter for agent memory. “-” means undocumented, not absent.

Capabilities
Architecture model
LangMemOpen source self hosted
Mem0Open source self hosted
Graph based entity relationship extraction
LangMem-
Mem0
Automatic context window rolling summarization
LangMem-
Mem0
Semantic vs episodic event chronological memory
LangMem
Mem0
Cross session and multi thread user persistence
LangMem
Mem0
Memory conflict resolution and fact updating
LangMem
Mem0-
Multi tenant user and agent isolation
LangMem-
Mem0
Native langchain and llamaindex memory classes
LangMem
Mem0-
Time decay and recency weighted retrieval
LangMem-
Mem0
Zero data retention and pii redaction layer
LangMem-
Mem0-
SOC2 type ii
LangMem-
Mem0
Mit or apache permissive oss license
LangMem
Mem0-
Pricing model
LangMemFree open source
Mem0-

What each one is

The product in its own terms, so the numbers below have context.

LangMem

Not documented yet.

Mem0

Leader

Mem0 provides AI agents and LLMs with durable memory that persists across conversations, reducing redundant context and token costs. It stores facts, preferences, and events keyed by users or agents, enabling personalized, context-aware interactions that improve over time.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

LangMem

Open sourceFree tier

Free and open source (MIT license)

as of verify ↗

Mem0

Leader
freemiumFree tier

Free tier available; paid plans exist but specific pricing not disclosed in provided text

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
LangMem
Mem0
CLI
LangMem
Mem0
Deployment
Cloud / SaaS
LangMem
Mem0
Self-hosted
LangMem
Mem0
Air-gapped
LangMem
Mem0

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

LangMem

2 total
  • LangGraph
  • GitHub (repository hosting)
Independently observed

Mem0

Leader
16 total
  • Slack
  • Claude Code
  • Linear
  • Zapier
  • n8n
  • ChatGPT
  • Perplexity
  • Vercel AI SDK
  • DeepSeek
  • OpenAI
  • HuggingFace
  • Cursor
  • Windsurf
  • Codex
  • OpenCode
  • OpenClaw
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.