--- title: "caffe vs hora" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/bvlc-caffe-vs-hora-search-hora" tools: ["bvlc-caffe", "hora-search-hora"] --- # caffe vs hora *GraphCanon updated Jul 11, 2026* ## Verdict Pick caffe when caffe is primarily C++; hora is Rust; pick hora when hora 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. [hora](http://horasearch.com/) has 2.7k stars, 78 forks, and 26 open issues, last pushed Feb 17, 2026. Figures are from public GitHub metadata via [caffe's repository](https://github.com/BVLC/caffe) and [hora's repository](https://github.com/hora-search/hora). | | [caffe](/tools/bvlc-caffe.md) | [hora](/tools/hora-search-hora.md) | | --- | --- | --- | | Tagline | Caffe: a fast open framework for deep learning. | 🚀 efficient approximate nearest neighbor search algorithm collections library written in Rust 🦀 . | | Stars | 34,574 | 2,663 | | Forks | 18,458 | 78 | | Open issues | 1,209 | 26 | | Language | C++ | Rust | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | Other | Apache-2.0 | | Categories | Computer Vision, Vector Databases | Computer Vision, Vector Databases | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [caffe](/tools/bvlc-caffe.md) | [hora](/tools/hora-search-hora.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Slowing (36%) | | Days since push | 710d | 143d | | Open issues (now) | 1.2k | 26 | | Full report | [trust report](/tools/bvlc-caffe/trust.md) | [trust report](/tools/hora-search-hora/trust.md) | ## Choose when ### Choose caffe if… - caffe is primarily C++; hora is Rust. - License: caffe is Other, hora is Apache-2.0. - Tags unique to caffe: c++, deep-learning, machine-learning, vision. ### Choose hora if… - hora is primarily Rust; caffe is C++. - License: hora is Apache-2.0, caffe is Other. - Tags unique to hora: algorithm, approximate-nearest-neighbor-search, artificial-intelligence, data-structures. ## 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 hora - Last GitHub push was 144 days ago (slowing maintenance, Feb 17, 2026). Validate activity before betting a new project on hora. - 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 hora? caffe: Caffe: a fast open framework for deep learning.. hora: 🚀 efficient approximate nearest neighbor search algorithm collections library written in Rust 🦀 .. See the comparison table for live GitHub stats and shared categories. ### When should I choose caffe over hora? Choose caffe over hora when caffe is primarily C++; hora is Rust; License: caffe is Other, hora is Apache-2.0; Tags unique to caffe: c++, deep-learning, machine-learning, vision. ### When should I choose hora over caffe? Choose hora over caffe when hora is primarily Rust; caffe is C++; License: hora is Apache-2.0, caffe is Other; Tags unique to hora: algorithm, approximate-nearest-neighbor-search, artificial-intelligence, data-structures. ### 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 hora? Last GitHub push was 144 days ago (slowing maintenance, Feb 17, 2026). Validate activity before betting a new project on hora. 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 hora more popular on GitHub? caffe has more GitHub stars (34,574 vs 2,663). Stars measure visibility, not whether either tool fits your constraints. ### Are caffe and hora open source? Yes - both are open-source projects on GitHub (caffe: Other, hora: Apache-2.0). ### Where can I find alternatives to caffe or hora? GraphCanon lists graph-backed alternatives at [caffe alternatives](/tools/bvlc-caffe/alternatives) and [hora alternatives](/tools/hora-search-hora/alternatives) ([caffe markdown twin](/tools/bvlc-caffe/alternatives.md), [hora markdown twin](/tools/hora-search-hora/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-hora-search-hora.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, caffe or hora? caffe: Dormant. hora: Slowing. 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 hora? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [caffe trust report](/tools/bvlc-caffe/trust); [hora trust report](/tools/hora-search-hora/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/_