Reviews for OpenSearch
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Mar 18, 2026A powerful, open-source search engine, but the path has been rough.
OpenSearch delivers as a powerful, scalable search and analytics engine. The open-source, Apache 2.0-licensed core is a major advantage, providing a robust and free alternative. However, the initial set up and configuration has a steep learning curve, and the early 1.x releases had some stability and documentation gaps. The move from Elastic's codebase has been a bit of a bumpy road.
Anna Walker
Mar 16, 2026A reliable open-source search solution that just works
We migrated from Elasticsearch to OpenSearch after licensing changes and have been pleasantly surprised. The RESTful APIs are identical to what we were using before, so our existing search applications required minimal adjustments. It handles our analytics workloads efficiently, and being Apache 2.0 licensed gives us long-term peace of mind.
Casey Thomas
Mar 16, 2026A solid fork with community promise, but still playing catch-up
As someone who migrated from Elasticsearch, I appreciate the Apache 2.0 license and the commitment to staying truly open source. The REST APIs are familiar and work well for basic search and analytics. However, the ecosystem of plugins and integrations still lags behind Elastic's, and some advanced features I relied on are missing or less polished. For new projects it's worth considering, but existing Elasticsearch users should plan their migration carefully.
Skyler Wright
Mar 15, 2026A Reliable and Truly Open Search Solution
As a developer migrating from Elasticsearch, OpenSearch has been a seamless and excellent choice. The familiar RESTful APIs made integration straightforward, and its Apache 2.0 license gives us the freedom to use and modify it without legal concerns. It's proven stable and performant for our application logs and product search features.
Liam Lee
Mar 14, 2026A Reliable and Open Search Solution
As a developer building a search-heavy application, OpenSearch has been a game-changer. It's easy to deploy via Docker and the APIs are well-documented, making integration straightforward. The fact that it's fully open source under Apache 2.0 gives us peace of mind for long-term use without vendor lock-in, and the performance has been rock-solid with our mid-sized dataset.
Quinn Johnson
Mar 12, 2026Powerful but needs polish for production use
OpenSearch delivers on its promise as a capable open-source search and analytics engine, with the Apache 2.0 license being a major plus for our team. However, we hit several rough edges with documentation and plugin compatibility that slowed our rollout. The core search functionality is solid, but the ecosystem feels young compared to its predecessor.
Phoenix Harris
Mar 10, 2026Great for open source, but the ecosystem is still catching up
As a developer, I appreciate the Apache 2.0 license and the freedom it provides, which is a huge win over Elasticsearch's recent changes. The core search and analytics APIs are solid and perform well for our basic use cases. However, finding compatible plugins and up-to-date client libraries can be a frustrating scavenger hunt compared to the mature Elastic ecosystem.
Liam Lopez
Mar 10, 2026A Reliable Open-Source Search Backbone
As a developer building a data dashboard, OpenSearch has been a perfect fit. It was straightforward to migrate from Elasticsearch, and the Apache 2.0 license gives us peace of mind for our commercial product. The REST APIs are robust and well-documented, making integration smooth.
Dakota White
Mar 09, 2026A Great Open-Source Search Solution for Our Team
We switched to OpenSearch after the Elasticsearch licensing changes and have been very pleased with the results. The RESTful APIs are powerful and familiar, making it easy to migrate our existing search applications. The Apache 2.0 license gives us the confidence to build commercial products without licensing worries, and the performance has been rock solid for our analytics dashboard.
Riley Moore
Mar 09, 2026Frustrating Fork with Growing Pains
Our team migrated from Elasticsearch hoping the Apache 2.0 license would simplify things, but OpenSearch has been a headache. The documentation is confusing and often outdated, making basic setup and troubleshooting needlessly difficult. We've encountered several bugs in clustering that didn't exist in the original, and the plugin ecosystem feels thin and underdeveloped.
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Based on 54 reviews
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OpenSearch
OpenSearch is an open source search engine software project that is based on Elasticsearch and Apache 2.0 licensed. It provides …
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