{"jtbd":{"id":"knowledge-graph-rag","slug":"knowledge-graph-rag","name":"Knowledge-graph / Graph-RAG memory","shortName":"Graph RAG","problemStatement":"Build entity-relation memory so agents answer multi-hop questions better than flat vector RAG alone."},"pick":{"id":"cognee","slug":"cognee","name":"Cognee","tagline":"Graph memory when documents→ontology matter. Zep for temporal bipartite graphs; Mem0 for simplest hosted…","website":"https://www.cognee.ai","overall":8.07,"scoreBand":{"low":7.5,"mid":8.1,"high":8.7,"halfWidth":0.6,"basis":"editorial_prior","display":"7.5–8.7 (editorial prior)"},"scoreLayers":{"editorialPrior":8.07,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-09-14 (cognee.ai/pricing): Free $0 (1 workspace, 1M tokens). Standard $1.00/1M tokens + $5/extra workspace/mo. Enterprise BYOC engagement (6–24 mo packages, startup discount). Apache-2.0 OSS with SQLite/LanceDB/Kuzu defaults. ECL pipeline → knowledge graph.","scores":{"capabilityFit":8.4,"pricePerformance":8.8,"latencyReliability":7.6,"developerDx":8.2,"privacyPosture":8.5,"lockInRisk":3,"maturity":7,"overall":8.07,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},"runnersUp":[{"id":"weaviate","slug":"weaviate","name":"Weaviate","tagline":"Best when hybrid search and modularity matter. Cloud for convenience; self-host when lock-in anxiety spikes.","website":"https://weaviate.io","overall":8.26,"scoreBand":{"low":7.7,"mid":8.3,"high":8.9,"halfWidth":0.6,"basis":"editorial_prior","display":"7.7–8.9 (editorial prior)"},"scoreLayers":{"editorialPrior":8.26,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"Open-source + Weaviate Cloud; modular vectorizers; hybrid search; usage/cluster pricing on cloud.","scores":{"capabilityFit":8.8,"pricePerformance":7.5,"latencyReliability":8.4,"developerDx":8.2,"privacyPosture":8.2,"lockInRisk":3.5,"maturity":8.8,"overall":8.26,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},{"id":"zep","slug":"zep","name":"Zep","tagline":"Pick when agents need temporal/entity graph memory, not just vector snippets. Mem0 for simpler recall.","website":"https://www.getzep.com","overall":7.48,"scoreBand":{"low":6.9,"mid":7.5,"high":8.1,"halfWidth":0.6,"basis":"editorial_prior","display":"6.9–8.1 (editorial prior)"},"scoreLayers":{"editorialPrior":7.48,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-10-24 (getzep.com/pricing, fetched 2026-10-24): Temporal knowledge-graph memory (Graphiti). 'Self-serve plans are credit based.' Free: 'Start free with 10,000 credits a month.' ('No rollover or auto-topup.'). Flex '$125 / month billed monthly' ('50,000 credits included. Then $25 / 10,000 credits.', '30-day rollover', '600 requests per minute'). Flex Plus '$375 / month billed monthly' ('200,000 credits included. Then $75 / 40,000 credits.', '60-day rollover', '1,000 requests per minute'). Enterprise custom ('negotiated rates'). Annual billing: 'Save 17%' (the annual price is not published in the page text). Credits: '1 credit per Episode up to 350 bytes; +1 credit per additional 350 bytes (or part).'; '0 credits for retrieval, storage, threads, users, and graph storage.' See plan limits (/api/estimate) for the encoded plans. Self-host Graphiti + Neo4j/FalkorDB/Kuzu/Neptune.","scores":{"capabilityFit":8.2,"pricePerformance":7,"latencyReliability":7.6,"developerDx":7.8,"privacyPosture":7.8,"lockInRisk":5.2,"maturity":7,"overall":7.48,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},{"id":"diffbot","slug":"diffbot","name":"Diffbot","tagline":"Structured extract / KG peer. 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Higher tiers via sales.","scores":{"capabilityFit":8.6,"pricePerformance":7.6,"latencyReliability":8.4,"developerDx":8,"privacyPosture":7.2,"lockInRisk":4.5,"maturity":8.8,"overall":7.98,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}}],"scoreBand":{"low":7.5,"mid":8.1,"high":8.7,"halfWidth":0.6,"basis":"editorial_prior","display":"7.5–8.7 (editorial prior)"},"scoreLayers":{"editorialPrior":8.07,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"whyPickOverHigherScore":{"pickId":"cognee","pickName":"Cognee","pickScore":8.07,"highestScoredCandidateId":"weaviate","highestScoredCandidateName":"Weaviate","highestScore":8.26,"pickHasLowerCompositeScore":true,"delta":-0.19,"pickLeadsOnDimensions":["pricePerformance (8.8 vs 7.5)","privacyPosture (8.5 vs 8.2)","lower lockInRisk (3 vs 3.5)"],"explanation":"Cognee (8.07) is the editorial pick for Knowledge-graph / Graph-RAG memory over higher-composite Weaviate (8.26) because composite scores are provider-wide priors while Cognee wins on pricePerformance (8.8 vs 7.5), privacyPosture (8.5 vs 8.2), lower lockInRisk (3 vs 3.5): Confidence: medium — Cognee OSS/EU posture; 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Does not blend input and output or borrow a chat rate for a non-chat job."},{"step":3,"title":"Open provider detail","href":"/api/providers/cognee","why":"Scores, pricingNotes, strengths/weaknesses, communitySignals (claims only)."},{"step":4,"title":"Cite methodology","href":"/api/methodology","why":"Required when publishing a Depot Pick citation."},{"step":5,"title":"Grab badge SVG","href":"/api/badge?type=depot-pick&jtbd=knowledge-graph-rag","why":"Embed in README / agent passport."},{"step":6,"title":"Post production insight","method":"POST","href":"/api/insights","why":"Unverified until curated; never auto-mutates official scores."}],"honesty":["Do not invent scores or benches.","Insights are claims until curated/reviewed; they never silently mutate official scores.","lockInRisk higher = more lock-in (worse).","normalizedUsdPerMillionTokens is set only for a single sourced token row. Otherwise null, with a machine-readable reason. Do not coerce GPU, minute, or per-1k search units.","Runners-up are not Depot Picks.","Depot overall is editorial_weighted, not Arena Elo and not an Artificial Analysis index."],"asOf":"2026-09-14","depth":{"whenNotToUse":{"text":"Weaviate hybrid already enough, Zep temporal graphs fit sessions better, or Diffbot KG extract is the input stage only.","source":"editorial `whenNotTopPick` (data/jtbds.json)"},"whenNotToUseReason":null,"runnerUp":{"providerId":"weaviate","name":"Weaviate","overallForJob":8.26,"pickOverallForJob":8.07,"beatsPickOn":["capabilityFit","latencyReliability","maturity"],"source":"first resolvable entry of the job's editorially ranked `runnersUpIds`; scores are stored job-weighted scores"},"runnerUpReason":null,"lockIn":{"pickLockInRisk":3,"runnerUpLockInRisk":3.5,"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":"EU company + OSS self-host","field":"strengths"}],"selfHostFallback":[],"migration":"The pick has lower stored lock-in risk than runner-up Weaviate (3 vs 3.5). Pick exit signals: open source (provider tag `oss`).","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."}},"citation":{"text":"Agent Provider Depot (v0.12.156), Depot Pick for knowledge-graph-rag: cognee, scores as of 2026-09-14, retrieved 2026-10-28. https://getagentdepot.com/jtbds/knowledge-graph-rag","markdown":"[Agent Provider Depot](https://getagentdepot.com/jtbds/knowledge-graph-rag) (v0.12.156) — Depot Pick for `knowledge-graph-rag`: **cognee** (scores as of 2026-09-14, retrieved 2026-10-28)","fields":{"publisher":"Agent Provider Depot","version":"0.12.156","role":"depot_pick","jtbdId":"knowledge-graph-rag","providerId":"cognee","scoreAsOf":"2026-09-14","retrievedOn":"2026-10-28","page":"https://getagentdepot.com/jtbds/knowledge-graph-rag","api":"https://getagentdepot.com/api/decide?jtbd=knowledge-graph-rag"},"howToCite":"Cite Depot as an editorial, dated recommendation, not a benchmark: name the job, the Depot Pick (or runner-up), the score asOf date and the day you retrieved it, and link the job page. Format: “Agent Provider Depot (v{version}), Depot Pick for {jobId}: {providerId}, scores as of {scoreAsOf}, retrieved {retrievedOn}. {baseUrl}/jtbds/{jobId}”. Quote prices only with their own sourceUrl and asOf. If the pick's score is stale (freshness.pick.score.stale), say so."},"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":2,"sourcesReachable":2,"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. 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ECL pipeline → knowledge graph.","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.cognee.ai","doNotParse":"Do not parse pricingNotes. Use rows only. normalizedUsdPerMillionTokens is a single number only when this provider has exactly one sourced token row. Input/output, context tiers, and non-token units stay null at this level.","gap":"No sourced price row for this provider. pricingNotes stay prose. 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