--- title: "caffe vs voy" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/bvlc-caffe-vs-tantaraio-voy" tools: ["bvlc-caffe", "tantaraio-voy"] --- # caffe vs voy *GraphCanon updated Jul 11, 2026* ## Verdict Pick caffe when caffe is primarily C++; voy is Rust; pick voy when voy is primarily Rust; caffe is C++. [caffe](http://caffe.berkeleyvision.org/) reports 35k GitHub stars, 18k forks, and 1.2k open issues, last pushed Jul 31, 2024. [voy](https://www.npmjs.com/package/voy-search) has 1.1k stars, 39 forks, and 22 open issues, last pushed Sep 20, 2023. Figures are from public GitHub metadata via [caffe's repository](https://github.com/BVLC/caffe) and [voy's repository](https://github.com/tantaraio/voy). | | [caffe](/tools/bvlc-caffe.md) | [voy](/tools/tantaraio-voy.md) | | --- | --- | --- | | Tagline | Caffe: a fast open framework for deep learning. | 🕸️🦀 A WASM vector similarity search written in Rust | | Stars | 34,574 | 1,063 | | Forks | 18,458 | 39 | | Open issues | 1,209 | 22 | | Language | C++ | Rust | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | Other | Apache-2.0 | | Categories | Computer Vision, Vector Databases | Vector Databases | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [caffe](/tools/bvlc-caffe.md) | [voy](/tools/tantaraio-voy.md) | | --- | --- | --- | | Days since push | 710d | 1024d | | Open issues (now) | 1.2k | 22 | | Full report | [trust report](/tools/bvlc-caffe/trust.md) | [trust report](/tools/tantaraio-voy/trust.md) | ## Choose when ### Choose caffe if… - caffe is primarily C++; voy is Rust. - License: caffe is Other, voy is Apache-2.0. - Tags unique to caffe: c++, deep-learning, machine-learning, vision. - Also covers Computer Vision. ### Choose voy if… - voy is primarily Rust; caffe is C++. - License: voy is Apache-2.0, caffe is Other. - Tags unique to voy: k-d-tree, nearest-neighbor-search, rust, similarity-search. ## When NOT to use caffe - Last GitHub push was 710 days ago (dormant maintenance, Jul 31, 2024). Validate activity before betting a new project on caffe. - Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. ## When NOT to use voy - Last GitHub push was 1025 days ago (dormant maintenance, Sep 20, 2023). Validate activity before betting a new project on voy. - Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. ## Common questions ### What is the difference between caffe and voy? caffe: Caffe: a fast open framework for deep learning.. voy: 🕸️🦀 A WASM vector similarity search written in Rust. See the comparison table for live GitHub stats and shared categories. ### When should I choose caffe over voy? Choose caffe over voy when caffe is primarily C++; voy is Rust; License: caffe is Other, voy is Apache-2.0; Tags unique to caffe: c++, deep-learning, machine-learning, vision; Also covers Computer Vision. ### When should I choose voy over caffe? Choose voy over caffe when voy is primarily Rust; caffe is C++; License: voy is Apache-2.0, caffe is Other; Tags unique to voy: k-d-tree, nearest-neighbor-search, rust, similarity-search. ### When should I avoid caffe? Last GitHub push was 710 days ago (dormant maintenance, Jul 31, 2024). Validate activity before betting a new project on caffe. Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. ### When should I avoid voy? Last GitHub push was 1025 days ago (dormant maintenance, Sep 20, 2023). Validate activity before betting a new project on voy. Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. ### Is caffe or voy more popular on GitHub? caffe has more GitHub stars (34,574 vs 1,063). Stars measure visibility, not whether either tool fits your constraints. ### Are caffe and voy open source? Yes - both are open-source projects on GitHub (caffe: Other, voy: Apache-2.0). ### Where can I find alternatives to caffe or voy? GraphCanon lists graph-backed alternatives at [caffe alternatives](/tools/bvlc-caffe/alternatives) and [voy alternatives](/tools/tantaraio-voy/alternatives) ([caffe markdown twin](/tools/bvlc-caffe/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/bvlc-caffe-vs-tantaraio-voy.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, caffe or voy? caffe: Dormant. 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 caffe and voy? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [caffe trust report](/tools/bvlc-caffe/trust); [voy trust report](/tools/tantaraio-voy/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=bvlc-caffe`](/api/graphcanon/graph?tool=bvlc-caffe) - 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/_