{"id":"cross-session-user-memory","slug":"cross-session-user-memory","name":"Cross-session / portable user memory","shortName":"Cross-session / portable user memory","problemStatement":"Need durable user-profile or portable memory that follows the user across sessions and assistants (often MCP), not just a vector DB or fact store.","whenNotTopPick":"You want the simplest hosted fact API (Mem0), temporal knowledge graphs (Zep), or a full MemGPT-style runtime (Letta).","categoryIds":["cat-vector-memory"],"depotPickProviderId":"memobase","depotPickRationale":"Capability of profile/portable memory + DX (MCP) + pricePerf. Distinct from rag-memory (pgvector) and stateful-agent-runtime (Letta).","runnersUpIds":["mem0","supermemory","zep","cognee"],"weights":{"capabilityFit":0.25,"pricePerformance":0.18,"latencyReliability":0.15,"developerDx":0.15,"privacyPosture":0.1,"lockInRisk":0.07,"maturity":0.1},"methodologyNotes":"Capability of profile/portable memory + DX (MCP) + pricePerf. Distinct from rag-memory (pgvector) and stateful-agent-runtime (Letta).","tags":["cross"],"depth":{"whenNotToUse":{"text":"You want the simplest hosted fact API (Mem0), temporal knowledge graphs (Zep), or a full MemGPT-style runtime (Letta).","source":"editorial `whenNotTopPick` (data/jtbds.json)"},"whenNotToUseReason":null,"runnerUp":{"providerId":"mem0","name":"Mem0","overallForJob":7.59,"pickOverallForJob":7.94,"beatsPickOn":["developerDx","maturity"],"source":"first resolvable entry of the job's editorially ranked `runnersUpIds`; scores are stored job-weighted scores"},"runnerUpReason":null,"lockIn":{"pickLockInRisk":4,"runnerUpLockInRisk":5,"scale":"0–10 stored curated estimate; higher = more lock-in (worse)","pickExitSignals":["open source (provider tag `oss`)"],"runnerUpExitSignals":["open source (provider tag `oss`)"],"pickNotes":[{"text":"Depot pick for portable/user-profile memory (MCP across Claude/ChatGPT/agents).","field":"scores.notes"}],"selfHostFallback":[{"id":"mem0","name":"Mem0","license":"Apache-2.0","sourceUrl":"https://raw.githubusercontent.com/mem0ai/mem0/main/LICENSE"}],"migration":"The pick has lower stored lock-in risk than runner-up Mem0 (4 vs 5). Pick exit signals: open source (provider tag `oss`). Self-host fallback listed for this job: Mem0.","migrationReason":null,"derivedFrom":"stored lockInRisk scores, provider tags (oss, self-host, openai-compat, open-models), free rows that list this job, and verbatim provider notes. No migration guide was invented."}},"freshness":{"pick":{"score":{"asOf":"2026-09-14","ageDays":44,"stale":true,"staleAfterDays":30,"reason":null},"lastReviewed":{"asOf":"2026-09-14","ageDays":44,"stale":true,"staleAfterDays":30,"reason":null},"sourceCheck":{"checkedAt":"2026-10-27","sourceUrls":3,"sourcesReachable":3,"pricingRows":0,"pricingRowsReconfirmed":0,"note":"A source re-check confirms the page is reachable and, for pricing rows, that the stored amount and SKU name appear on it. It does not re-derive or change the score.","reason":null}}},"depotPick":{"id":"memobase","slug":"memobase","name":"Memobase","tagline":"Depot pick for portable/user-profile memory (MCP across Claude/ChatGPT/agents). Mem0 remains general…","overall":7.94},"runnersUp":[{"id":"mem0","slug":"mem0","name":"Mem0","tagline":"Default hosted agent memory bolt-on. Model retrieval volume carefully; self-host OSS if caps hurt.","overall":7.59},{"id":"supermemory","slug":"supermemory","name":"Supermemory","tagline":"Managed context engine when you want memory without running a vector DB. Mem0 for simpler fact API; Cognee…","overall":7.88},{"id":"zep","slug":"zep","name":"Zep","tagline":"Pick when agents need temporal/entity graph memory, not just vector snippets. Mem0 for simpler recall.","overall":7.44},{"id":"cognee","slug":"cognee","name":"Cognee","tagline":"Graph memory when documents→ontology matter. Zep for temporal bipartite graphs; Mem0 for simplest hosted…","overall":8.09}]}