Reviews for OpenSearch
Login to ReviewDavid Walker
Apr 24, 2026A Solid Open-Source Alternative with Some Rough Edges
OpenSearch is a great open-source successor to Elasticsearch for those seeking Apache 2.0 licensing freedom. The core search and analytics APIs are robust and perform well for typical workloads, making it a solid choice for building search applications. However, the ecosystem is still maturing, and I've encountered some compatibility issues with third-party plugins and tools that worked seamlessly with its predecessor. The documentation is decent but can lag behind the pace of development for newer features.
Avery Harris
Apr 24, 2026A frustrating fork with more headaches than solutions
Switched from Elasticsearch hoping for a truly open alternative, but OpenSearch has been a letdown. The documentation feels incomplete compared to Elastic's, and minor version updates have broken our custom plugins multiple times. For a production environment needing stability, I've spent more time troubleshooting than actually using the search features.
Anna Smith
Apr 20, 2026A promising open-source fork with growing pains
OpenSearch is a solid option for teams needing a truly open-source search engine without the licensing worries of Elasticsearch. The core search and analytics APIs are powerful and familiar, but the ecosystem of plugins and community support is still catching up, which can slow down advanced implementations. For straightforward projects, it's excellent, but you'll need patience for more complex needs.
Morgan Thomas
Apr 19, 2026A solid open-source alternative with growing pains
As an Elasticsearch user who switched to OpenSearch after the licensing changes, I appreciate the open-source commitment and familiar API structure. However, documentation quality is inconsistent and some advanced features lag behind the latest Elastic releases. The community is helpful but response times can vary, and while it handles our basic search needs well, we've encountered some stability issues with complex aggregations.
Emma Lopez
Apr 18, 2026A Solid Open-Source Foundation for Search
Having migrated from Elasticsearch, OpenSearch has been a reliable and fully open-source drop-in replacement for our search and analytics needs. The familiar APIs and tooling made the transition smooth, and the strong community support has been a huge plus. The Apache 2.0 license gives us the peace of mind and freedom we were looking for without sacrificing performance.
Michael Wilson
Apr 16, 2026Powerful and Promising, but Still Finding Its Feet
As a long-time Elasticsearch user, I switched to OpenSearch for the fully open-source, Apache 2.0 licensed future. Setting it up was straightforward, and the core search and analytics APIs are as robust as ever. However, I've encountered some lag in plugin ecosystem development and miss a few specialized tools I relied on, making the transition feel a bit like a step back in convenience while being a step forward in principle.
Riley Johnson
Apr 16, 2026OpenSearch Delivers Powerful Search Without Licensing Headaches
As a developer needing a robust search backend for our internal applications, OpenSearch has been a fantastic solution. The transition from the proprietary Elasticsearch stack was straightforward, and the fully open-source Apache 2.0 license gives us complete peace of mind regarding future use and modifications. The RESTful APIs are well-documented and perform exactly as expected for our search and analytics needs.
Ava King
Apr 13, 2026A Solid Open Source Foundation, But Lagging Behind
OpenSearch is a reliable search engine for basic use cases, and its Apache 2.0 license is a major win for avoiding vendor lock-in. However, the experience feels a bit dated compared to the latest versions of Elasticsearch. The community is helpful, but support can be slow, and I've encountered some performance hiccups under heavy load. It's a great project with huge potential, but currently feels like a slightly lagging fork.
Lisa Martin
Apr 12, 2026A solid open-source search engine with some growing pains
OpenSearch provides a powerful and capable search engine, which is great for building search applications without licensing fees. However, the documentation can be a bit scattered compared to its predecessor, and some community plugins are still catching up. It's a promising project, but it requires more hands-on configuration than I'd prefer for a straightforward deployment.
Olivia Harris
Apr 11, 2026A Solid, Open-Source Foundation for Search
We migrated from Elasticsearch to OpenSearch primarily for the Apache 2.0 license, and it's been a great decision. The transition was smooth as the APIs are fully compatible, so our existing dashboards and applications worked immediately. It's proven to be incredibly reliable for our log analytics, handling large volumes of data without a hiccup. Having a truly open-source community driving the project gives us real peace of mind for the future.
Review Summary
Based on 66 reviews
Rating Distribution
OpenSearch
OpenSearch is an open source search engine software project that is based on Elasticsearch and Apache 2.0 licensed. It provides …
Back to Product