compare

OpenSearch vs Quickwit

The same facts for both, read from GitHub every night, and the relation a person reviewed.

OpenSearch vs Quickwit
Fact	OpenSearch	Quickwit
Language	Java	Rust
Licence	Apache-2.0	Apache-2.0
Stars	14k	12k
Latest	3.9.0	v0.9.1
Last push	2026-10-06	2026-10-06
Release cadence	about 43 days between releases	about 63 days between releases
Active contributors	104 commit authors on the default branch in the last 90 days	21 commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace Elasticsearch. Alternatives to Elasticsearch →
Full replacementOpenSearchFork of Elasticsearch 7.10.2, APIs have diverged since.
PartialQuickwitLog and trace search on object storage, with an Elasticsearch-compatible subset of its API.
Both replace Splunk. Alternatives to Splunk →
PartialOpenSearchLog search and analytics with OpenSearch Dashboards.
PartialQuickwitLog search only.