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Manticore Search vs OpenSearch

Manticore Search: Fast SQL-first search database, forked from Sphinx, with columnar storage and vector KNN. OpenSearch: Apache-licensed, foundation-governed fork of Elasticsearch for search, vectors and observability.

key differences

  • Licensing: Manticore Search is open source (copyleft) (GNU GPL v3); OpenSearch is open source (permissive) (Apache License 2.0).
  • OpenSearch is built for larger datasets (Multi-PB) than Manticore Search (≤ 10 TB).
  • Horizontal scaling is manual in Manticore Search and native in OpenSearch.
  • Only Manticore Search has transactions, joins, columnar storage.
  • Only OpenSearch has encryption at rest, role-based access, online schema changes, streaming ingest.

choose manticore-search for

  • +Site and product search with SQL
  • +Log search on a budget
  • +Replacing legacy Sphinx installs
  • +Hybrid keyword plus vector search

best at · Search, Vector search, Observability

choose opensearch for

  • +Log analytics and observability
  • +Application and e-commerce search
  • +Vector and hybrid search for RAG on AWS
  • +Security event analytics

best at · Search, Vector search, RAG

Manticore SearchFast SQL-first search database, forked from Sphinx, with columnar storage and vector KNN.
OpenSearchApache-licensed, foundation-governed fork of Elasticsearch for search, vectors and observability.
overview
Primary model
Search Engine
Search Engine
Also supports
Document, Vector, Columnar / OLAP
Document, Vector, Spatial, Time-Series
Type
Database engine
Database engine
Status
Active
Active
Developer
Manticore Software
OpenSearch Software Foundation (Linux Foundation)
First release
2017
2021
Latest version
29.9.0 (Sep 11, 2026)
3.9.0 (Sep 29, 2026)
License
Open source (copyleft)GNU GPL v3
Open source (permissive)Apache License 2.0
Free tier
✓
✓
popularity
WhichDB Score
19.2
56.6
Rank
#171
#18
GitHub stars
12.1K
13.9K
Stack Overflow questions
23
1.1K
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Massive (Multi-PB)
Horizontal scaling
Manual
Native
Multi-region
None
Read replicas
ACID
Limited
Limited
Consistency
Strong
Eventual
Schema
Flexible
Flexible
Architecture
Distributed, Multi primary, Client server
Distributed, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
—
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
–
AWS, Oracle Cloud, Aiven, DigitalOcean
capabilities
Transactions
✓
—
Joins
✓
—
Secondary indexes
✓
✓
Full-text search
✓
✓
Vector search
✓
✓
Geospatial
✓
✓
JSON
✓
✓
Change data capture
—
—
Triggers
—
—
Stored procedures
—
—
Materialized views
—
—
TTL / expiry
—
—
Pub/Sub
—
—
Columnar storage
✓
—
In-memory
—
—
Durable persistence
✓
✓
Compression
✓
✓
Encryption at rest
—
✓
Role-based access
—
✓
Time travel
—
—
Branching
—
—
Online schema changes
—
✓
Streaming ingest
—
✓
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SQL (SphinxQL dialect), JSON query API
Query DSL, PPL, SQL
Client languages
Python, PHP, JavaScript, Java, Go, TypeScript, Rust
Java, Python, JavaScript, Go, .NET, Ruby, PHP, Rust
Best for
Search, Vector search, Observability, Geo
Search, Vector search, RAG, Observability
Add more to this comparisonNot sure either fits? Try smart match

Manticore Search vs OpenSearch: FAQ

What is the difference between Manticore Search and OpenSearch?

Manticore Search: Fast SQL-first search database, forked from Sphinx, with columnar storage and vector KNN. OpenSearch: Apache-licensed, foundation-governed fork of Elasticsearch for search, vectors and observability. Licensing: Manticore Search is open source (copyleft) (GNU GPL v3); OpenSearch is open source (permissive) (Apache License 2.0). OpenSearch is built for larger datasets (Multi-PB) than Manticore Search (≤ 10 TB). Horizontal scaling is manual in Manticore Search and native in OpenSearch.

When should I choose Manticore Search over OpenSearch?

Choose Manticore Search for site and product search with SQL; log search on a budget; and replacing legacy Sphinx installs. Choose OpenSearch for log analytics and observability; application and e-commerce search; and vector and hybrid search for RAG on AWS.

Is Manticore Search or OpenSearch more popular?

OpenSearch ranks #18 on the WhichDB Score (56.6/100) and Manticore Search ranks #171 (19.2/100). Popularity is not fit: check the requirements that matter for your project.

Are Manticore Search and OpenSearch open source?

Yes. Manticore Search is open source. License: GNU GPL v3. Yes. OpenSearch is open source. License: Apache License 2.0.