--- title: "databend vs voy" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/databendlabs-databend-vs-tantaraio-voy" tools: ["databendlabs-databend", "tantaraio-voy"] --- # databend vs voy *GraphCanon updated Sep 20, 2026* ## Verdict Pick databend if data Agent Ready Warehouse built in Rust for analytics, search, AI, and more within a unified architecture on top of your S3 storage; pick voy if voy specializes in Webassembly-based vector similarity searches, coded in Rust, with support for k-d-trees and nearest-neighbor searching. [databend](https://docs.databend.com) reports 9.4k GitHub stars, 897 forks, and 510 open issues, last pushed Sep 20, 2026. [voy](https://www.npmjs.com/package/voy-search) has 1.1k stars, 40 forks, and 22 open issues, last pushed Sep 20, 2023. Figures are from public GitHub metadata via [databend's repository](https://github.com/databendlabs/databend) and [voy's repository](https://github.com/tantaraio/voy). | | [databend](/tools/databendlabs-databend.md) | [voy](/tools/tantaraio-voy.md) | | --- | --- | --- | | Tagline | All-in-One Data Warehouse: Analytics, Search, AI, and Python Sandboxing Reimagined From Scratch. | A WASM vector similarity search written in Rust | | Stars | 9,444 | 1,075 | | Forks | 897 | 40 | | Open issues | 510 | 22 | | Language | Rust | Rust | | Adopt for | Data Agent Ready Warehouse built in Rust for analytics, search, AI, and more within a unified architecture on top of your S3 storage. | Voy specializes in Webassembly-based vector similarity searches, coded in Rust, with support for k-d-trees and nearest-neighbor searching. | | Persona | - | - | | Runtime | - | - | | License | Other | Apache-2.0 | | Categories | Data & Retrieval, Vector Databases | Vector Databases | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [databend](/tools/databendlabs-databend.md) | [voy](/tools/tantaraio-voy.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Dormant (18%) | | Days since push | 0d | 1095d | | Open issues (now) | 510 | 22 | | Stars delta | +55 (30d) | +10 (30d) | | Open issues delta | -24 (30d) | 0 (30d) | | Full report | [trust report](/tools/databendlabs-databend/trust.md) | [trust report](/tools/tantaraio-voy/trust.md) | ## Decision facts: databend - **Adopt for:** Data Agent Ready Warehouse built in Rust for analytics, search, AI, and more within a unified architecture on top of your S3 storage. ## Decision facts: voy - **Adopt for:** Voy specializes in Webassembly-based vector similarity searches, coded in Rust, with support for k-d-trees and nearest-neighbor searching. ## Choose when ### Choose databend if… - License: databend is Other, voy is Apache-2.0. - Tags unique to databend: ai, bigdata, cloud-native, database. - Also covers Data & Retrieval. - - When you need a unified data platform that can handle analytics, search, and AI all from one interface, with support for vector database functions. ### Choose voy if… - License: voy is Apache-2.0, databend is Other. - Tags unique to voy: k-d-tree, nearest-neighbor-search, rust, similarity-search. - When you require a Rust implementation of WebAssembly for embedding in web applications or for secure sandboxed execution on the server-side. ## When NOT to use databend - - When specific integration requirements are outside of S3 support, as Databend focuses on this particular ecosystem. - - For organizations that cannot or prefer not to use technologies built in Rust due to team expertise or existing tech stack conflicts. - - If your primary need is for a solution that heavily integrates with Elasticsearch given the competitive landscape and features it offers. ## When NOT to use voy - If high availability and extensive fault tolerance features are required, as Voy focuses primarily on vector similarity searches rather than system-wide reliability enhancements. - When your project demands integration with existing large-scale SQL database systems, since Voy is specialized for a specific type of search operation. ## Common questions ### What is the difference between databend and voy? databend: All-in-One Data Warehouse: Analytics, Search, AI, and Python Sandboxing Reimagined From Scratch.. voy: A WASM vector similarity search written in Rust. See the comparison table for live GitHub stats and shared categories. ### When should I choose databend over voy? Choose databend over voy when License: databend is Other, voy is Apache-2.0; Tags unique to databend: ai, bigdata, cloud-native, database; Also covers Data & Retrieval; - When you need a unified data platform that can handle analytics, search, and AI all from one interface, with support for vector database functions. ### When should I choose voy over databend? Choose voy over databend when License: voy is Apache-2.0, databend is Other; Tags unique to voy: k-d-tree, nearest-neighbor-search, rust, similarity-search; When you require a Rust implementation of WebAssembly for embedding in web applications or for secure sandboxed execution on the server-side. ### When should I avoid databend? - When specific integration requirements are outside of S3 support, as Databend focuses on this particular ecosystem. - For organizations that cannot or prefer not to use technologies built in Rust due to team expertise or existing tech stack conflicts. - If your primary need is for a solution that heavily integrates with Elasticsearch given the competitive landscape and features it offers. ### When should I avoid voy? If high availability and extensive fault tolerance features are required, as Voy focuses primarily on vector similarity searches rather than system-wide reliability enhancements. When your project demands integration with existing large-scale SQL database systems, since Voy is specialized for a specific type of search operation. ### Is databend or voy more popular on GitHub? databend has more GitHub stars (9,444 vs 1,075). Stars measure visibility, not whether either tool fits your constraints. ### Are databend and voy open source? Yes - both are open-source projects on GitHub (databend: Other, voy: Apache-2.0). ### Where can I find alternatives to databend or voy? GraphCanon lists graph-backed alternatives at [databend alternatives](/tools/databendlabs-databend/alternatives) and [voy alternatives](/tools/tantaraio-voy/alternatives) ([databend markdown twin](/tools/databendlabs-databend/alternatives.md), [voy markdown twin](/tools/tantaraio-voy/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/databendlabs-databend-vs-tantaraio-voy.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, databend or voy? databend: Very active. voy: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for databend and voy? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [databend trust report](/tools/databendlabs-databend/trust); [voy trust report](/tools/tantaraio-voy/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=databendlabs-databend`](/api/graphcanon/graph?tool=databendlabs-databend) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_