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OpenObserve vs OpenSearch

OpenObserve focuses solely on observability at petabyte scale, while OpenSearch provides a broader suite including search and security analytics.

Which to pick

Pick OpenObserve if you want…

  • Unified, petabyte-scale observability
  • Large-scale observability
  • Integrations with OpenTelemetry, Prometheus or Datadog Agent (on OpenObserve's list, not OpenSearch's)

Pick OpenSearch if you want…

  • Vendor-neutral search & analytics platform
  • A free, open-source tool
  • Integrations with Apache Lucene or OpenSearch Dashboards (on OpenSearch's list, not OpenObserve's)

Side by side

What it is
OpenObserve:OpenObserve is an open-source observability platform for logs, metrics and traces at petabyte scale.
OpenSearch:OpenSearch is an Apache-2.0 licensed open-source suite for search, analytics, observability and security.
Best for
OpenObserve:Unified, petabyte-scale observability
OpenSearch:Vendor-neutral search & analytics platform
Who it’s for
OpenObserve:Engineering teams needing high-performance, cost-effective observability.
OpenSearch:Developers and enterprises building search, log analytics, and monitoring solutions.
Pricing
OpenObserve:Paid
OpenSearch:Open source
Plans
OpenObserve:OpenObserve Cloud $0.50/GB per GB ingest
OpenSearch:—
Open source
OpenObserve:Yes
OpenSearch:Yes, 13,800 GitHub stars
Works with
OpenObserve:OpenTelemetry, Prometheus, Datadog Agent, Kubernetes, AWS, Google Cloud, Azure
OpenSearch:Apache Lucene, OpenSearch Dashboards

OpenObserve features

  • Unified observability stack. Collect, correlate and view logs, metrics, traces and more in a single platform.
  • Columnar Parquet storage. Rust-based storage engine provides 140× storage efficiency and 30× compute efficiency.
  • Auto-correlation engine. Analyzes millions of signals per second to automatically link related events.
  • AI SRE agent. Continuously triages incidents, finds root cause and drafts post-mortems.
  • AI assistant. Answers natural-language queries across all telemetry without writing queries.
  • LLM observability. Tracks prompts, completions, token usage and cost for LLM applications.
  • Kubernetes integration. One-click collector deploys logs, metrics, events and zero-code traces for clusters.
  • OpenTelemetry-native ingestion. Supports OpenTelemetry, Prometheus and Datadog agents for drop-in migration.

OpenSearch features

  • Distributed Search Engine. Scalable, high-performance search built on Apache Lucene.
  • OpenSearch Dashboards. Integrated visualization UI for data exploration and reporting.
  • Machine Learning & AI. Vector search and anomaly detection for AI-driven applications.
  • Observability Stack. Log analysis and infrastructure monitoring across hybrid or multicloud environments.
  • Security Analytics. Real-time threat detection, threat intelligence and event correlation.
  • Built-in Security. Enterprise-grade authentication, encryption and access controls.

OpenObserve vs OpenSearch FAQ

Is OpenObserve or OpenSearch free?+

OpenObserve is paid. OpenSearch is free and open source.

Is OpenObserve or OpenSearch open source?+

Yes, both are open source: OpenObserve and OpenSearch (opensearch-project/OpenSearch on GitHub, Apache-2.0 license).

Do OpenObserve and OpenSearch integrate with the same tools?+

Their integration lists don't overlap: OpenObserve lists OpenTelemetry, Prometheus, Datadog Agent, Kubernetes and 3 more; OpenSearch lists Apache Lucene and OpenSearch Dashboards.

On DevHunt

OpenObserve

39 upvotes · Launched on DevHunt on Apr 14, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.