HelixDB
The fastest & most scalable graph-vector database on the market
Founders
- George CurtisFounder/CEO
- Xavier CochranFounder
Same space
Competitors
Closest in what they build, same category.
ParadeDBS23Unify application data, vectors, and full-text search in one PostgresShared: developer tools, open source, infrastructureActive
LanternW24Postgres vector database extension to build AI applicationsShared: open source, databasesInactive
KeyDBS20The only database you'll ever needShared: open source, databasesAcquired
Trellis AIW24Accelerate Medication Access with AIShared: infrastructure, databasesActive
MemorableS27reducing agent reasoning into a graph search problemShared: developer tools, infrastructureActive
Adjacent
Overlapping tags, a different niche.
s2.devF25API for unlimited, durable, real-time streamsShared: developer tools, open source, infrastructureActive
OpenFoundryW24The fastest developer experience for building on open source AI.Shared: developer tools, open source, infrastructureActive
SupabaseS20Build in a weekend. Scale to millions.Shared: developer tools, open source, databasesActive
ReJotW25We turn complex API integrations into drop‑in full‑stack librariesShared: developer tools, infrastructure, databasesActive
SublingualW25Daily productivity trackerShared: developer tools, open source, infrastructureInactive
Also from X25 in AI
Batchmates in Spring 2025.
AttuneX25Faster builds, zero effort.Active
BlaxelX25The infrastructure for autonomous agentsActive
GolfX25Agentic AI Security and GovernanceActive
Boost RoboticsX25Robots for the inspection and maintenance of data centersActive
CapacitiveX25The data gateway for agents.Active
ChironX25Grammarly for Math ✏️Active
About HelixDB
As AI agents replace traditional software, they need a way to store, recall, and reason over contextual data. HelixDB gives them all of that in one system. We’re building the knowledge infrastructure every AI agent will depend on.
London, England, United Kingdom
HelixDB: questions
Which YC batch was HelixDB in?
HelixDB was in Y Combinator's Spring 2025 batch (X25).
Is HelixDB still active?
Y Combinator lists HelixDB as active.
Who founded HelixDB?
HelixDB's founders, as listed on its YC page: George Curtis (Founder/CEO), Xavier Cochran (Founder).
Where is HelixDB based?
HelixDB lists London, England, United Kingdom as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.