About Marqo
Marqo builds AI-native search and product discovery for online brands in categories such as fashion, beauty, electronics and home goods. Using semantic search and personalization, it learns from browsing clicks, orders and other events to infer what shoppers want and return relevant search results and recommendations.
The vendor says its platform helps commerce teams improve search relevance, raise conversion and order value, and reduce manual merchandising through automated ranking and optimization. The repository also hosts the open-source search engine project, with topics covering multi-modal search and machine learning. A notice at the top of the README clarifies the status of the open-source project relative to the commercial platform, so read it before adopting the code.
The code is written in Python under the Apache-2.0 license. You can run the open-source engine yourself, or buy the managed ecommerce platform from the vendor. It suits online retailers and developers evaluating vector search for product catalogs.
Key features
- Semantic product search
- Personalized search results and recommendations
- Clickstream and purchase data learning
- Automated ranking and merchandising
- Multi-modal search support
- Open-source engine in Python
Good fit for
- →Improving ecommerce search relevance
- →Personalized product recommendations
- →Multi-modal catalog search
- Built with
- Python
- Tags
- ecommerce-search
- vector-search
- semantic-search
- personalization
- multi-modal
- python
- search-engine
Marqo: questions and answers
- What is Marqo used for?
- Marqo is an AI-native ecommerce search and discovery platform, with an open-source multi-modal search engine repository maintained alongside it. It is a good fit for improving ecommerce search relevance, personalized product recommendations and multi-modal catalog search.
- Is Marqo open source?
- Yes. Marqo is open source under the Apache-2.0 licence. Its source code is on GitHub at marqo-ai/marqo and is written mainly in Python.
- Is Marqo free?
- Yes. Marqo is open source, so the software itself is free to use. A managed cloud version is also available.
- Can I self-host Marqo?
- Yes. Marqo can be self-hosted on your own server or infrastructure.
- What is Marqo an alternative to?
- Marqo is an open-source alternative to Algolia, Bloomreach, Constructor and Klevu. Other open-source alternatives to Algolia include Meilisearch, Typesense and ElasticSuite.
- Is Marqo actively maintained?
- Yes. The most recent commit to Marqo was on 3 September 2026, and the latest release is 2.26.0, published on 7 April 2026. The project has 5k stars on GitHub.
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