# LangMem vs Motörhead

| Attribute | LangMem | Motörhead |
|---|---|---|
| **Vioscale score** | 46.6 (31% (low)) | 34.1 (8% (low)) |
| activity.commits_last_30d | 4 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 1,626 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true}` |
| description.long | - | Metal consolidates scattered firm data into a structured, graph-based format that can be queried and integrated with AI tools like Claude, ChatGPT, and Copilot. It enables data-driven decision-making by providing ranked, sourced context for investment analysis. |
| features.capabilities | `{"pricing_model":"free_open_source","architecture_model":"open_source_self_hosted","mit_or_apache_permissive_oss_license":true,"memory_conflict_resolution_and_fact_updating":true,"native_langchain_and_llamaindex_memory_classes":true,"cross_session_and_multi_thread_user_persistence":true,"semantic_vs_episodic_event_chronological_memory":true}` | `{"architecture_model":"managed_cloud_api","time_decay_and_recency_weighted_retrieval":true,"graph_based_entity_relationship_extraction":true}` |
| integrations.count | 2 | 4 |
| integrations.list | `[{"name":"LangGraph"},{"name":"GitHub (repository hosting)"}]` | `[{"name":"Claude"},{"name":"ChatGPT"},{"name":"Copilot"},{"name":"MCP-compatible clients"}]` |
| language.primary | Python | - |
| license.spdx | MIT | - |
| platform.support | `{"cli":true,"web":true}` | - |
| pricing | `{"type":"open_source","summary":"Free and open source (MIT license)","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-21T11:06:39.096Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | commercial | - |
| pricing.price_level | free | - |
| pricing.transparent | yes | - |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=langmem&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Agent Memory)

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

*Source: Vioscale. Generated 2026-09-01T14:46:23.906Z. "-" = undocumented, not absent.*