# Cognee vs LangMem (slim)

> Cognee scores 54.6 (C) on agent readiness against LangMem's 47.9 (D), and leads in 4 of 7 scored categories. LangMem leads on agent ergonomics, security & auth and payments & pricing. Both do memory store. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cognee-vs-langmem.md (~2,050 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/cognee-vs-langmem.json · canonical https://www.anchorterminal.com/compare/cognee-vs-langmem
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Cognee scores 54.6 (C) on agent readiness against LangMem's 47.9 (D), and leads in 4 of 7 scored categories. LangMem leads on agent ergonomics, security & auth and payments & pricing. Both do memory store.

- Cognee: C 54.6, rank #610 of 842 · https://www.anchorterminal.com/tools/cognee.min.md
- LangMem: D 47.9, rank #734 of 842 · https://www.anchorterminal.com/tools/langmem.min.md
- Cognee, good for Agents whose memory has to include documents, wikis and chat tools as well as conversation, and for teams happy to self-host. Ahead on Reliability, 50 against 32; Schema & documentation, 85 against 55; Maintenance & community, 82 against 15; Transparency & trust, 66 against 59. Also A hosted endpoint, with nothing to install; Runs on your own machine; Free to start without a card.
- LangMem, good for Teams already on LangGraph that want memory tools and background extraction over a store they run. Ahead on Agent ergonomics, 66 against 59; Security & auth, 45 against 39; Payments & pricing, 60 against 35. Also No key needed to call it; No incidents deducted, where Cognee loses 3 points for them.

| Category | Cognee | LangMem |
| --- | --- | --- |
| Reliability (16%) | 50 | 32 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 55 |
| Agent ergonomics (13%) | 59 | 66 |
| Security & auth (14%) | 39 | 45 |
| Payments & pricing (10%) | 35 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 82 | 15 |
| Transparency & trust (7%) | 66 | 59 |

| Fact (where they differ) | Cognee | LangMem |
| --- | --- | --- |
| Kind | Model platform | SDK + MCP |
| Vendor | Cognee | LangChain |
| Hosted endpoint | `https://<tenant>.aws.cognee.ai/api/v1` | no (local only) |
| Transports | HTTP, stdio, SSE (legacy) |  |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| Licence | Apache-2.0 | MIT |
| Tools exposed | 7 | none |
| llms.txt | yes | no |
| Last release | 2026-09-29 | 2025-10-27 |
| Terms last updated | 2026-03-27 | no document linked |
| Privacy policy last updated | no date given | no document linked |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | 31k stars, 21k PyPI/wk | 1.7k stars, 214k PyPI/wk |
| Agent reviews | 3/5 (2) | none |