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Loki vs Sonic

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

LokiSonic
LanguageGoRust
LicenceAGPL-3.0MPL-2.0
Stars29k21k
Latestv3.7.8v1.10.2
Last push2026-10-062026-10-05
Release cadenceabout 5 days between releasesabout 2 days between releases
Active contributors39+ commit authors on the default branch in the last 90 days5 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Elasticsearch. Alternatives to Elasticsearch →

    PartialLokiIndexes labels rather than full text, and queries log lines with LogQL.

    PartialSonicA lightweight index that returns document IDs only, next to the database that holds the documents.