Agent Memory
Shipping memory layers, memory features and memory products for AI agents. For builders choosing how their agent remembers.
Dedicated memory services, memory inside frameworks and platforms, coding-agent memory and vertical memory products, described on the seven memory axes (storage, retrieval, persistence, update, unit, governance, conflict) plus contradiction handling, forgetting policy, backend storage and MCP support.
311 systems · 13 sections · 41 acquired, archived, stale or shut down · data as of 2026-10-31
Decide
- Choose a memory layerA few questions, three cited picks and a side-by-side table.
- What will memory cost?Monthly cost of managed memory layers at your workload, from published prices.
- Does it work with my stack?Integration evidence between a memory layer, a framework and a store.
- Alternatives and migrationsLive options that do the same job, and how to move off an archived one.
Most referenced
Lowest tier first, then by how many other systems in the catalog reference each one.
- Mem0 T1 Vector + graph + KV (hybrid)
- Langfuse T1 Acquired Memory ops as named spans + Agent Graphs
- LangSmith T1 Memory mutations as distinct span types
- GraphRAG (Microsoft) T1 Maintenance Community summary + Leiden detection
- Zep & Graphiti T1 Bi-temporal knowledge graph
- Cognee T1 Knowledge graph + ECL pipeline
- Flowise Memory T1 Archived Buffer + Buffer-Window + Conversation-Summary nodes
- Browserbase T1 Programmatic session persistence (dev infra)
- Hindsight (Vectorize) T1 Vector + reflection / summarisation
- Letta / MemGPT T1 Tiered: core / recall / archival
- Devin (Cognition) T1 Server-side Knowledge + auto-Repo Knowledge
- Inworld AI T1 Long-term character memory + Character Brain
Sections
- Vertical / domain-specific AI memory 64
- Dedicated memory layers 50
- Retrieval-as-memory hybrids 38
- Framework-embedded memory 33
- Personal AI / PKM / lifelogging memory 23
- Coding-agent memory 21
- Claude Code memory mechanisms 18
- Platform-provider memory 16
- File-backed / editor paradigms 15
- Voice-first / wearable AI memory 11
- Memory governance, privacy & safety 9
- Browser-agent memory 8
- Memory observability & monitoring 5
Lifecycle
- Active 245
- Maintenance 2
- Research code 13
- Renamed 10
- Acquired 16
- Stale 5
- Inactive 1
- Deprecated 4
- Archived 12
- Shut down 3
Tiers: T1 107 · T2 117 · T3 68 · T4 18 · T5 1
Recently changed
- Acontext (memodb) Lifecycle: archived
- Aleph Alpha PhariaAI / PhariaCatch Homepage: https://docs.aleph-alpha.com/phariaai-home/latest/index.html
- Augment Code Funding / ownership: Acquired by Harness (2026-10-08; select assets incl. Cosmos, Auggie CLI, Context Engine); previously $252M total $977M val Series B · 2024-04
- AutoRAG License: Apache-2.0
- Backboard Homepage: https://backboard.io/products/api
- Beads (Steve Yegge) Homepage: https://github.com/gastownhall/beads
- BenevolentAI Pricing: Qor: free trial (Try Qor for free) plus demo-led enterprise sales; no public price list
- claude-mem Pricing: Open-source engine free (Apache-2.0, local memory); CMEM Pro hosted observation + cloud sync + private MCP recall: Pro $30/mo, Heavy $70/mo, CMEM Max $100/mo (with billed overage), 30-day free trial; TeamBrain team pricing not announced (pilot)
Research
- Memory benchmarks
- Benchmark trust
- Evaluation gap
- Memory architecture archetypes
- Agent memory systems with MCP support 123
- Open-source agent memory systems 138
- Self-hostable agent memory systems 86
- SOC 2 compliant agent memory systems 91
- HIPAA compliant agent memory systems 56
- GDPR compliant agent memory systems 76
Data and tools
- JSON · CSV, flattened, one row per system, CC-BY-4.0
- MCP tools:
choose_memory_layer,estimate_memory_cost,check_compatibility,find_alternatives,compare - CLI:
landscape choose·landscape compat <ids…>·landscape alternatives <id> - Data & API · Submit a system