Quick comparison
See how Meilisearch and OpenSearch compare at a glance.
Meilisearch
OpenSearchWhere Meilisearch fits as your OpenSearch alternative
Answers to the most common evaluation questions when comparing the two.
How does Meilisearch compare to OpenSearch for user-facing search?
Meilisearch is built for instant, user-facing search with zero configuration. OpenSearch is a general-purpose search and analytics engine that requires tuning.
- Sub-50ms responses with no shard sizing or analyzer configuration.
- Zero-config relevancy with sensible ranking rules built in.
- Single binary architecture, no JVM, low memory footprint.
Is Meilisearch a simpler alternative to OpenSearch?
Yes. Meilisearch Cloud is a managed search service with no cluster to operate, no JVM to tune, and zero-config relevancy.
- Meilisearch Cloud handles provisioning, scaling, upgrades, and HA so you do not run a cluster.
- Choice of region at project creation, including EU regions for data residency.
- Self-hosting is also available under the open-source Community Edition (MIT) for teams that need it.
Does Meilisearch support hybrid AI search like OpenSearch?
Yes. Hybrid keyword and semantic search is built in and available on every plan, with no plugins or ML connectors required.
- Hybrid keyword and semantic search in a single query, no app-side fusion.
- Built-in embedders for OpenAI, Cohere, Mistral, Voyage, Jina, HuggingFace, AWS Bedrock, Gemini, Cloudflare Workers AI, and REST.
- Conversational search API with configurable guardrails for RAG applications.
What's the migration path from OpenSearch to Meilisearch?
OpenSearch and Elasticsearch share the same API and index format heritage, so the Elasticsearch migration guide covers OpenSearch sources.
- Export OpenSearch indexes and map analyzer settings to Meilisearch equivalents.
- Import via the documents endpoint in batches.
- Run both in parallel behind a feature flag before cutting over.
Where can I host Meilisearch in Europe?
Meilisearch Cloud offers EU regions you can pick at project creation.
- Meilisearch Cloud EU regions for data residency in Europe.
- GDPR-compliant and SOC 2 Type II certified.
- For teams with stricter requirements, Meilisearch can also be self-hosted on European infrastructure.
What OpenSearch does well
OpenSearch is a capable solution with its own strengths.
Elasticsearch compatibility
Drop-in replacement for Elasticsearch with API compatibility.
OpenSearch Dashboards
Built-in visualization and analytics dashboard (Kibana fork).
AWS integration
Native integration with AWS services and managed offering.
Which one should you choose?
The right choice depends on your specific needs and constraints.
Choose Meilisearch if you…
Need search that works immediately
Meilisearch provides excellent relevancy and typo tolerance out of the box.
Want a managed search service
Meilisearch Cloud is fully managed with HA and automated backups, no cluster to operate.
Building user-facing search
Optimized specifically for instant, relevant end-user search experiences.
Have limited resources
Lightweight footprint compared to the JVM-based OpenSearch.
Choose OpenSearch if you…
Need log analytics
Combined search and log/metric analytics in one platform.
Have massive data volumes
Distributed architecture for petabyte-scale data.
Need OpenSearch Dashboards
Visualization and dashboard capabilities built-in.
Migrating from Elasticsearch
API compatibility makes migration straightforward.
Feature comparison
A detailed look at the features and capabilities of each solution.
| Feature | Meilisearch | OpenSearch |
|---|---|---|
| Licensing | ||
| License | MIT CE / BUSL-1.1 EE | Apache 2.0 |
| Self-hosting | ||
| Search Features | ||
| Typo tolerance | Built-in | Requires config |
| Instant search (<50ms) | With tuning | |
| Faceted search | ||
| Geo search | ||
| AI Features | ||
| Vector search | ||
| Hybrid search | ||
| Built-in embeddings | ||
| Operations | ||
| Single binary deployment | ||
| Zero-config relevancy | ||