Comparison

LangMem vs Supermemory

On the evidence we track, Supermemory leads this comparison with a composite score of 62/100. 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
Supermemory62
Score
Vioscale score
LangMem47 / 100low · 31%
Supermemory62 / 100low · 42%
Pricing
Free tier
LangMem
Supermemory
Model
LangMemcommercial
Supermemorycommercial
Price level
LangMemfree
Supermemorymid
Starting price
LangMem
Supermemory$19
Transparent
LangMem
Supermemory
Integrations
Count
LangMem2
Supermemory10
Adoption
Dependent repos
LangMem0
Supermemory0
Github stars
LangMem1,626
Supermemory29,083
Activity
Commits last 30d
LangMem4
Supermemory75
Release
Cadence days
LangMem
Supermemory2
History
LangMem
Supermemory16 items
License
Spdx
LangMemMIT
SupermemoryMIT
Language
Primary
LangMemPython
SupermemoryTypeScript
Market
Availability

Capabilities

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

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

What each one is

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

LangMem

Not documented yet.

Supermemory

Leader

A system that enables AI agents to remember information across conversations, automatically extract and organize facts, and stay synchronized with external tools. It combines memory storage, knowledge retrieval, user profiling, and data connectors into one service.

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 ↗

Supermemory

Leader
from $19/moHybridFree tier

From $19/mo for paid plans, plus usage-based billing for operations. Free tier with ~$5/mo included. Qualifying startups receive 3 months of Scale free (~$600/mo usage included).

  • FreeFree
    • Hermes Plugin
    • Supermemory MCP
    • Community support
  • Pro$19/mo + usage (with ~$20/mo usage allowance)
    • Unlimited storage
    • Unlimited users
    • Auto top-up available
    • Google Drive, Notion & OneDrive connectors
    • 2 teammates included
    • +2 more
  • Max$100/mo + usage (with ~$130/mo usage allowance)
    • Everything in Pro
    • Gmail & Granola connectors
    • Priority support
  • Scale$399/mo + usage (with ~$600/mo usage allowance)
    • Everything in Max
    • Up to 10 teammates
    • All connectors (Gmail, GitHub, S3, Web Crawler)
    • Auto top-up + spend caps
    • SOC 2
    • +2 more
as of verify ↗

Platform & deployment

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

Platforms
Web
LangMem
Supermemory
macOS
LangMem
Supermemory
Linux
LangMem
Supermemory
CLI
LangMem
Supermemory
Deployment
Cloud / SaaS
LangMem
Supermemory
Self-hosted
LangMem
Supermemory
On-premise
LangMem
Supermemory
Hybrid
LangMem
Supermemory
Air-gapped
LangMem
Supermemory

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

Supermemory

Leader
10 total
  • Notion
  • Google Drive
  • Gmail
  • GitHub
  • OneDrive
  • S3
  • Web Crawler
  • Slack
  • Granola
  • Custom sources
Independently observed

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