{"slug": "kuzu", "name": "Kuzu", "category": "databases", "category_name": "Databases", "description": "", "recommenders": 4, "commenters": 10, "warners": 3, "score": 1.075, "rising": 1.35, "first": "2026-03-21", "latest": "2026-10-05", "why": "Most recently my hope was for kuzudb, but they got acquihired", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 4, "neutral": 3, "compare": 2, "warn": 2}, "spark": [0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 2], "listed": true, "loved": [], "caveat": "", "short_quote": "Most recently my hope was for kuzudb, but they got acquihired", "kind": "", "icon": true, "domain": null, "github_repo": "github.com/kuzudb/kuzu", "official_url": "https://github.com/kuzudb/kuzu", "pricing": "", "aliases": ["Kuzu", "KuzuDB"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 799486753, "item_id": 49967922, "url": "https://news.ycombinator.com/item?id=49967922", "by": "canadiantim", "date": "2026-10-05", "stance": "recommend", "quote": "Most recently my hope was for kuzudb, but they got acquihired", "excerpt": "How does it compare with the since-discontinued embedded graph database cozodb? https://github.com/cozodb/cozo It also used datalog, written in rust Great to see tho, I'm always eagerly hoping for a successful embedded graph database. Most recently my hope was for kuzudb, but they got acquihired; though it's still open-sourcing' as LadybugDB. Highly recommend taking inspiration from Kuzudb/Ladybugdb and cozodb. Godsp", "context": "", "use_case": "embedded graph database", "switched_from": "", "story": "Show HN: Minigraf \u2013 An embedded, bi-temporal graph database in Rust"}, {"id": 782636129, "item_id": 48914758, "url": "https://news.ycombinator.com/item?id=48914758", "by": "adsharma", "date": "2026-07-14", "stance": "recommend", "quote": "https://vldb.org/cidrdb/2023/kuzu-graph-database-management-system.html", "excerpt": "Just use postgres (or another SQL db) ignores the following innovations: * Columnar storage * Compressed Sparse Row on disk * Factorized joins * ASP joins, WCO Joins Details: https://vldb.org/cidrdb/2023/kuzu-graph-database-management-system.html", "context": "", "use_case": "", "switched_from": "", "story": "YouTrackDB is a general-use object-oriented graph database"}, {"id": 759607600, "item_id": 47475475, "url": "https://news.ycombinator.com/item?id=47475475", "by": "gdotv", "date": "2026-03-22", "stance": "recommend", "quote": "it's been left in a fairly stable rate which is fantastic", "excerpt": "Ever try https://gdotv.com with it? Really interesting to see folks still using Kuzu despite the archival status. We decided to maintain support for that reason, it's been left in a fairly stable rate which is fantastic. Might be worth checking out LadybugDB (the main fork), migration is pretty easy.", "context": "", "use_case": "", "switched_from": "", "story": "Grafeo \u2013 A fast, lean, embeddable graph database built in Rust"}]}], "caveats": [{"label": "", "summary": "", "quotes": [{"id": 774816786, "item_id": 48426049, "url": "https://news.ycombinator.com/item?id=48426049", "by": "lvca", "date": "2026-06-06", "stance": "warn", "quote": "to avoid leaving users left in panic when KuzuDB (which Ladybug forked) was acquired by Apple and killed", "excerpt": "Ladybug is still very limited in terms of use cases and functionalities. Unless you just want some OLAP graph query to be faster, and that's it... You could use a fully functional DBMS with Graph OLAP functionalities, like ArcadeDB (Apache2 license): https://arcadedb.com/blog/graph-olap-engine-the-fastest-graph-analytics-with-zero-compromises/. Most importantly, ArcadeDB committed to never change its license, to avoi", "context": "", "use_case": "", "switched_from": "", "story": "Ladybug: DuckDB of Graph Databases"}]}], "who": [], "tags": [], "use_cases": ["embedded graph database", "graph database"], "compared": [{"slug": "ladybugdb", "name": "LadybugDB", "co": 10, "switched_from": 0, "switched_to": 1}, {"slug": "cozodb", "name": "CozoDB", "co": 2, "switched_from": 0, "switched_to": 0}, {"slug": "duckdb", "name": "DuckDB", "co": 2, "switched_from": 0, "switched_to": 0}], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=47467567", "title": "Grafeo \u2013 A fast, lean, embeddable graph database built in Rust", "mentions": 5}, {"url": "https://news.ycombinator.com/item?id=49963394", "title": "Show HN: Minigraf \u2013 An embedded, bi-temporal graph database in Rust", "mentions": 2}, {"url": "https://news.ycombinator.com/item?id=49437049", "title": "Show HN: LatticeDB \u2013 Like SQLite but for graph databases", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49319011", "title": "I Analyzed 163K Lines of Kuzu's Codebase. Here's Why Apple Wanted It", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49124658", "title": "Algorithms on billion-scale graph using 10GB RAM: I love DataFusion", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48902026", "title": "YouTrackDB is a general-use object-oriented graph database", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {}, "2026-02": {}, "2026-03": {"neutral": 2, "recommend": 1}, "2026-04": {"neutral": 1}, "2026-05": {}, "2026-06": {"warn": 1}, "2026-07": {"recommend": 1, "compare": 1}, "2026-08": {"warn": 1, "compare": 1}, "2026-09": {}, "2026-10": {"recommend": 2}}, "quotes": [{"id": 799496706, "item_id": 49968544, "url": "https://news.ycombinator.com/item?id=49968544", "by": "adityamukho", "date": "2026-10-05", "stance": "recommend", "quote": "", "excerpt": "Here's a comparison matrix, although it doesn't include ladybug yet: https://github.com/project-minigraf/minigraf/wiki/Comparison", "context": "", "use_case": "", "switched_from": "", "story": "Show HN: Minigraf \u2013 An embedded, bi-temporal graph database in Rust"}, {"id": 799486753, "item_id": 49967922, "url": "https://news.ycombinator.com/item?id=49967922", "by": "canadiantim", "date": "2026-10-05", "stance": "recommend", "quote": "Most recently my hope was for kuzudb, but they got acquihired", "excerpt": "How does it compare with the since-discontinued embedded graph database cozodb? https://github.com/cozodb/cozo It also used datalog, written in rust Great to see tho, I'm always eagerly hoping for a successful embedded graph database. Most recently my hope was for kuzudb, but they got acquihired; though it's still open-sourcing' as LadybugDB. Highly recommend taking inspiration from Kuzudb/Ladybugdb and cozodb. Godsp", "context": "", "use_case": "embedded graph database", "switched_from": "", "story": "Show HN: Minigraf \u2013 An embedded, bi-temporal graph database in Rust"}, {"id": 791174433, "item_id": 49448402, "url": "https://news.ycombinator.com/item?id=49448402", "by": "anentropic", "date": "2026-08-26", "stance": "compare", "quote": "", "excerpt": "this one? https://pygraphistry.readthedocs.io/en/latest/gfql/index.html", "context": "", "use_case": "", "switched_from": "", "story": "Show HN: LatticeDB \u2013 Like SQLite but for graph databases"}, {"id": 789228480, "item_id": 49326780, "url": "https://news.ycombinator.com/item?id=49326780", "by": "sarlalian", "date": "2026-08-16", "stance": "warn", "quote": "", "excerpt": "There\u2019s a fork https://github.com/LadybugDB/ladybug that you can use.", "context": "", "use_case": "", "switched_from": "", "story": "I Analyzed 163K Lines of Kuzu's Codebase. Here's Why Apple Wanted It"}, {"id": 786035299, "item_id": 49127206, "url": "https://news.ycombinator.com/item?id=49127206", "by": "lmeyerov", "date": "2026-07-31", "stance": "compare", "quote": "benchmarks vs neo4j, memgraph, kuzu, etc", "excerpt": "Related, we recently release the polars version of GFQL, the only oss cypher property graph query engine for CPU+GPU, and even better, no database nor outside process needed. We started doing LDBC benchmarks vs neo4j, memgraph, kuzu, etc, and are already starting to outperform them both on latency for small OLTP graph searches and $, speed for big graph OLAP ones, especially in GPU mode. The cool in the original post", "context": "", "use_case": "", "switched_from": "", "story": "Algorithms on billion-scale graph using 10GB RAM: I love DataFusion"}, {"id": 782636129, "item_id": 48914758, "url": "https://news.ycombinator.com/item?id=48914758", "by": "adsharma", "date": "2026-07-14", "stance": "recommend", "quote": "https://vldb.org/cidrdb/2023/kuzu-graph-database-management-system.html", "excerpt": "Just use postgres (or another SQL db) ignores the following innovations: * Columnar storage * Compressed Sparse Row on disk * Factorized joins * ASP joins, WCO Joins Details: https://vldb.org/cidrdb/2023/kuzu-graph-database-management-system.html", "context": "", "use_case": "", "switched_from": "", "story": "YouTrackDB is a general-use object-oriented graph database"}, {"id": 774816786, "item_id": 48426049, "url": "https://news.ycombinator.com/item?id=48426049", "by": "lvca", "date": "2026-06-06", "stance": "warn", "quote": "to avoid leaving users left in panic when KuzuDB (which Ladybug forked) was acquired by Apple and killed", "excerpt": "Ladybug is still very limited in terms of use cases and functionalities. Unless you just want some OLAP graph query to be faster, and that's it... You could use a fully functional DBMS with Graph OLAP functionalities, like ArcadeDB (Apache2 license): https://arcadedb.com/blog/graph-olap-engine-the-fastest-graph-analytics-with-zero-compromises/. Most importantly, ArcadeDB committed to never change its license, to avoi", "context": "", "use_case": "", "switched_from": "", "story": "Ladybug: DuckDB of Graph Databases"}, {"id": 767114609, "item_id": 47944663, "url": "https://news.ycombinator.com/item?id=47944663", "by": "kmicinski", "date": "2026-04-28", "stance": "neutral", "quote": "", "excerpt": "This is very cool to hear. Please get in touch with me, I would love to learn more. By the way, I am recruiting participants for an upcoming seminar in which I am soliciting industrial participation: https://kmicinski.com/minnowbrook-26. Please get in contact with me if this is relevant to anyone at your company.", "context": "", "use_case": "", "switched_from": "", "story": "Optimizing Datalog for the GPU"}, {"id": 759820800, "item_id": 47488800, "url": "https://news.ycombinator.com/item?id=47488800", "by": "gdotv", "date": "2026-03-23", "stance": "warn", "quote": "", "excerpt": "LadybugDB (https://github.com/LadybugDB/ladybug) at this point seems to be the only sustainable fork. When deciding what to do about the Kuzu archival on https://gdotv.com, we've gone with maintaining support for the last available version of Kuzu (it's still heavily used from what I'm seeing) whilst introducing support for LadybugDB. I've looked into a few other forks and at this point in time none seem to be active", "context": "", "use_case": "", "switched_from": "KuzuDB", "story": "Grafeo \u2013 A fast, lean, embeddable graph database built in Rust"}, {"id": 759607600, "item_id": 47475475, "url": "https://news.ycombinator.com/item?id=47475475", "by": "gdotv", "date": "2026-03-22", "stance": "recommend", "quote": "it's been left in a fairly stable rate which is fantastic", "excerpt": "Ever try https://gdotv.com with it? Really interesting to see folks still using Kuzu despite the archival status. We decided to maintain support for that reason, it's been left in a fairly stable rate which is fantastic. Might be worth checking out LadybugDB (the main fork), migration is pretty easy.", "context": "", "use_case": "", "switched_from": "", "story": "Grafeo \u2013 A fast, lean, embeddable graph database built in Rust"}, {"id": 759562336, "item_id": 47472646, "url": "https://news.ycombinator.com/item?id=47472646", "by": "darkteflon", "date": "2026-03-21", "stance": "neutral", "quote": "Quite annoyed about that one, was using it extensively.", "excerpt": "KuzuDB, now in [maintenance mode](https://github.com/kuzudb/kuzu). Quite annoyed about that one, was using it extensively.", "context": "", "use_case": "Graph database", "switched_from": "", "story": "Grafeo \u2013 A fast, lean, embeddable graph database built in Rust"}, {"id": 759507249, "item_id": 47469203, "url": "https://news.ycombinator.com/item?id=47469203", "by": "adsharma", "date": "2026-03-21", "stance": "compare", "quote": "This is essentially what Kuzu implemented and DuckDB tried to implement (DuckPGQ)", "excerpt": "Source: https://www.theregister.com/2023/03/08/great_graph_debate_wednesday/ > There are some additional optimizations that are specific to graphs that a relational DBMS needs to incorporate: [...] This is essentially what Kuzu implemented and DuckDB tried to implement (DuckPGQ), without touching relational storage. The jury is out on which one is a better approach.", "context": "", "use_case": "", "switched_from": "", "story": "Grafeo \u2013 A fast, lean, embeddable graph database built in Rust"}, {"id": 759497537, "item_id": 47468596, "url": "https://news.ycombinator.com/item?id=47468596", "by": "adsharma", "date": "2026-03-21", "stance": "neutral", "quote": "LadybugDB is backed by this tech (I didn't write it)", "excerpt": "LadybugDB is backed by this tech (I didn't write it) https://vldb.org/cidrdb/2023/kuzu-graph-database-management-system.html You can judge for yourself what work has been done in the last 5 months. Many short videos here. New open source contributors who I didn't know before ramping up. https://youtube.com/@ladybugdb", "context": "", "use_case": "", "switched_from": "", "story": "Grafeo \u2013 A fast, lean, embeddable graph database built in Rust"}]}