What is the difference between OpenObserve and Sumo Logic?

OpenObserve: An observability platform for logs, metrics, traces, real user monitoring and session replay, storing data on object storage in a single binary. Sumo Logic: A cloud log management and analytics service with metrics, dashboards and a SIEM product for security monitoring.

When should I choose OpenObserve?

You want a cheaper self-hosted alternative to Elasticsearch, Splunk or Datadog for logs and traces.

When should I choose Sumo Logic?

A mid-size or large company wants hosted log analytics and security monitoring without operating Splunk or Elasticsearch itself.

OpenObserve vs Sumo Logic

OpenObserve and Sumo Logic are both log management software. OpenObserve is open source under AGPL-3.0, with 23k GitHub stars. Sumo Logic is a commercial product from Sumo Logic.

Which to pick

Pick OpenObserve when: You want a cheaper self-hosted alternative to Elasticsearch, Splunk or Datadog for logs and traces.
Pick Sumo Logic when: A mid-size or large company wants hosted log analytics and security monitoring without operating Splunk or Elasticsearch itself.

Side by side

OpenObserve Sumo Logic

What it does

An observability platform for logs, metrics, traces, real user monitoring and session replay, storing data on object storage in a single binary.

A cloud log management and analytics service with metrics, dashboards and a SIEM product for security monitoring.

Watch out

AGPL license, and SSO and some enterprise features require a paid license.

Costs depend on ingest and scan volume and need watching, and its query language is its own.

Ready for

Production-ready (both)

Runs as

Self-hosted server and cloud service

Cloud service

Built with

Rust, TypeScript and Vue

Not published

Source code

Open source, AGPL-3.0 (network copyleft)

Closed source, sold by Sumo Logic

What the license allows

Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

Closed source: you use it under the maker's terms and cannot change or resell the code.

How widely known

23k GitHub stars

219 Wikipedia readers a month on phones

How established

Established: started 3 years ago, latest release v1.1.2.

Not known

Other comparisons

Splunk Enterprise vs Sumo Logic Loggly vs Sumo Logic Loki vs Sumo Logic Dozzle vs Sumo Logic OpenObserve vs Splunk Enterprise Loggly vs OpenObserve Loki vs OpenObserve Dozzle vs OpenObserve

More log management tools

Every log management product and project, ranked

Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.