HelixDB
Open-source graph-vector database built in Rust
Pricing
Free tier
Flat rate
Adoption
↗RisingLicense
Open Source
Data freshness
Verified · Jul 16, 2026Overview
What is HelixDB?
HelixDB is an open-source graph-vector database designed for high performance and scalability. Built from scratch in Rust, it offers a unique combination of graph and vector capabilities.
Key differentiator
“HelixDB stands out as an open-source, high-performance graph-vector database built in Rust, offering unique capabilities for handling complex data relationships and vector data efficiently.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Primary API and documentation focus on Rust, with community-maintained TypeScript SDK that may not be fully feature-complete.
Being a relatively new project, the ecosystem around HelixDB is still developing, leading to fewer plugins and integrations compared to more established databases.
Setting up high-availability clusters requires detailed configuration and tuning that can be challenging without extensive experience with Rust-based systems.
The documentation covers basic usage but lacks depth on more complex functionalities such as fine-tuning performance settings or handling edge cases in graph queries.
Fit analysis
Who is it for?
✓ Best for
Teams building applications with complex data relationships requiring both graph and vector database capabilities
Projects needing high-performance, self-hosted solutions built in Rust
Developers who prefer open-source tools for their projects
✕ Not a fit for
Applications that require real-time streaming or event-driven architectures
Teams looking for a managed service with no need to manage infrastructure
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Next step
Get Started with HelixDB
Step-by-step setup guide with code examples and common gotchas.