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Meilisearch vs Sonic

Meilisearch: Developer-friendly Rust search engine with typo tolerance and built-in hybrid semantic search. Sonic: Tiny schema-less Rust search backend that returns object IDs, running in a few MB of RAM.

key differences

  • Licensing: Meilisearch is open source (permissive) (MIT (Community Edition); BUSL-1.1 for Enterprise Edition features); Sonic is open source (copyleft) (Mozilla Public License 2.0).
  • Meilisearch is built for larger datasets (≤ 10 TB) than Sonic (≤ 100 GB).
  • Horizontal scaling is addon in Meilisearch and none in Sonic.
  • Transactions: Meilisearch offers limited ACID; Sonic offers none.
  • Only Meilisearch has secondary indexes, vector search, geospatial, json, role-based access.

choose meilisearch for

  • +Website and documentation search
  • +E-commerce product search with facets
  • +SaaS in-app search
  • +Semantic search over a product catalog

best at · Search, Vector search, RAG

choose sonic for

  • +Autocomplete and suggest
  • +Search over chat messages or helpdesk tickets
  • +Lightweight search for small servers

best at · Search

MeilisearchDeveloper-friendly Rust search engine with typo tolerance and built-in hybrid semantic search.
SonicTiny schema-less Rust search backend that returns object IDs, running in a few MB of RAM.
overview
Primary model
Search Engine
Search Engine
Also supports
Document, Vector
Key-Value
Type
Database engine
Database engine
Status
Active
Active
Developer
Meili SAS
Valerian Saliou (Crisp)
First release
2018
2019
Latest version
1.56.0 (Oct 26, 2026)
1.10.2 (Oct 5, 2026)
License
Open source (permissive)MIT (Community Edition); BUSL-1.1 for Enterprise Edition features
Open source (copyleft)Mozilla Public License 2.0
Free tier
✓
✓
popularity
WhichDB Score
32.3
8.3
Rank
#72
#326
GitHub stars
59.7K
21.4K
Stack Overflow questions
101
–
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Small (≤ 100 GB)
Horizontal scaling
Addon
None
Multi-region
None
None
ACID
Limited
None
Consistency
Eventual
Eventual
Schema
Flexible
Schemaless
Architecture
Single node, Client server
Single node, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
✓
—
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
–
–
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
Meilisearch search API (JSON)
Sonic Channel protocol
Client languages
JavaScript, Python, PHP, Ruby, Go, Rust, Java, Swift
JavaScript, Python, Go, Ruby, PHP, Java, Rust
Best for
Search, Vector search, RAG
Search
Add more to this comparisonNot sure either fits? Try smart match

Meilisearch vs Sonic: FAQ

What is the difference between Meilisearch and Sonic?

Meilisearch: Developer-friendly Rust search engine with typo tolerance and built-in hybrid semantic search. Sonic: Tiny schema-less Rust search backend that returns object IDs, running in a few MB of RAM. Licensing: Meilisearch is open source (permissive) (MIT (Community Edition); BUSL-1.1 for Enterprise Edition features); Sonic is open source (copyleft) (Mozilla Public License 2.0). Meilisearch is built for larger datasets (≤ 10 TB) than Sonic (≤ 100 GB). Horizontal scaling is addon in Meilisearch and none in Sonic.

When should I choose Meilisearch over Sonic?

Choose Meilisearch for website and documentation search; E-commerce product search with facets; and SaaS in-app search. Choose Sonic for autocomplete and suggest; search over chat messages or helpdesk tickets; and lightweight search for small servers.

Is Meilisearch or Sonic more popular?

Meilisearch ranks #72 on the WhichDB Score (32.3/100) and Sonic ranks #326 (8.3/100). Popularity is not fit: check the requirements that matter for your project.

Are Meilisearch and Sonic open source?

Yes. Meilisearch is open source. License: MIT (Community Edition); BUSL-1.1 for Enterprise Edition features. Yes. Sonic is open source. License: Mozilla Public License 2.0.