License: Hanzo Search is distributed under the MIT License (see LICENSE-MIT). This distribution uses only the MIT-licensed core; it does not include or use the Business Source License 1.1 (BUSL-1.1) Enterprise Edition code (LICENSE-EE). See License below.

✨ Features

Hybrid search: Combine the best of both semantic & full-text search to get the most relevant results
Search-as-you-type: Find & display results in less than 50 milliseconds to provide an intuitive experience
Typo tolerance: get relevant matches even when queries contain typos and misspellings
Filtering and faceted search: enhance your users' search experience with custom filters and build a faceted search interface in a few lines of code
Sorting: sort results based on price, date, or pretty much anything else your users need
Synonym support: configure synonyms to include more relevant content in your search results
Geosearch: filter and sort documents based on geographic data
Extensive language support: search datasets in any language, with optimized support for Chinese, Japanese, Hebrew, and languages using the Latin alphabet
Security management: control which users can access what data with API keys that allow fine-grained permissions handling
Multi-Tenancy: personalize search results for any number of application tenants
Highly Customizable: customize Hanzo Search to your specific needs or use our out-of-the-box and hassle-free presets
RESTful API: integrate Hanzo Search in your technical stack with our plugins and SDKs
Conversational search: let users ask questions in natural language and get AI-generated answers grounded in your search results
Personalization: tailor search results to individual users based on their preferences and behavior
Search rules: define custom rules to dynamically adjust search behavior based on context
Document relations: link documents across indexes to enrich search results with related data
Replication & sharding: scale horizontally by distributing your data across multiple nodes
AI-ready: works out of the box with LangChain and the Model Context Protocol (MCP)
Easy to install, deploy, and maintain

📖 Documentation

You can consult the Hanzo Search documentation at docs.hanzo.ai.

🚀 Getting started

For basic instructions on how to set up Hanzo Search, add documents to an index, and search for documents, take a look at our documentation guide.

🧰 SDKs & integration tools

Install one of our SDKs in your project for seamless integration between Hanzo Search and your favorite language or framework.

Take a look at the complete integration list in the documentation.

⚙️ Advanced usage

Experienced users will want to keep the API Reference close at hand.

We also offer a wide range of dedicated guides to all Hanzo Search features, such as filtering, sorting, geosearch, API keys, and tenant tokens.

Finally, for more in-depth information, refer to our articles explaining fundamental concepts such as documents and indexes.

🧾 License

Hanzo Search is distributed under the MIT License.

This distribution uses only the MIT-licensed core search engine: fast and relevant full-text, semantic, or hybrid search, free to use for anyone, including commercial usage.

It does not include or use the upstream Business Source License 1.1 (BUSL-1.1) Enterprise Edition code (LICENSE-EE) — for example, the BUSL-licensed sharding and S3-streaming snapshot features. Those components are governed by a separate commercial/BUSL-1.1 license held by the upstream project and are not part of this MIT distribution.

📦 Upstream attribution

Hanzo Search is based on Meilisearch, a search engine created by Meili SAS, available under the MIT License. The upstream copyright and license notices are retained in LICENSE and LICENSE-MIT.

📦 External crates

This project vendors the following MIT-licensed external crates with code modifications to use the HTTP client located in crates/http-clients:

external-crates/async-openai and external-crates/async-openai-macros from https://github.com/64bit/async-openai
external-crates/reqwest-eventsource from https://github.com/jpopesculian/reqwest-eventsource

📊 Telemetry

Hanzo Search collects anonymized usage data to help improve the product. You can deactivate this whenever you want; refer to the telemetry configuration in the documentation.

👩‍💻 Contributing

Hanzo Search is, and will always be, open-source. If you want to contribute to the project, please look at our contribution guidelines.

📦 Versioning

Hanzo Search releases and their associated binaries are available on the project's releases page.

The binaries are versioned following SemVer conventions. To know more, read our versioning policy.

Differently from the binaries, crates in this repository are not currently available on crates.io and do not follow SemVer conventions.