OpenObserve vs Datadog: Which is Better in 2026?
Choosing between OpenObserve and Datadog comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Datadog wins this matchup. Our overall Monitoring pick is Better Uptime. Our free Monitoring pick is Spiceworks. Pick OpenObserve if you need data & databases.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
OpenObserve
Open source, petabyte-scale observability for logs, metrics, and traces at a fraction of the cost.
Best for you if:
- • You want significantly lower storage costs (up to 140x compared to Elasticsearch)
- • You want high performance and scalability, capable of handling petabytes of data
Datadog
Cloud monitoring, security, and AI investigations for DevOps
Best for you if:
- • You want a free tier before you commit
- • You want comprehensive platform
- • You want great visualizations
| At a Glance | OpenObserve | Datadog |
|---|---|---|
Starts at | Custom | FreeFree tier available |
Best For | Data & Databases | Monitoring |
Rating | - | 4.4/5 |
Free plan | No | Yes |
Choose OpenObserve or Datadog?
Choose OpenObserve if
Open source, petabyte-scale observability for logs, metrics, and traces at a fraction of the cost.
- You want significantly lower storage costs (up to 140x compared to Elasticsearch)
- You want high performance and scalability, capable of handling petabytes of data
- Your work is data & databases-shaped, not monitoring-shaped
Choose Datadog if
Cloud monitoring, security, and AI investigations for DevOps
- You want a free tier before you commit
- You want comprehensive platform
- You want great visualizations
- Your work is monitoring-shaped, not data & databases-shaped
| Feature | OpenObserve | Datadog |
|---|---|---|
| Pricing Model | Paid | Freemium |
| User Rating | No ratings yet | ★4.4/5 726 reviews |
| Categories | Data & DatabasesDevOps | MonitoringLog Management |
In-Depth Analysis
OpenObserve
Open source, petabyte-scale observability for logs, metrics, and traces at a fraction of the cost.
OpenObserve's Pay As You Go model offers a fair and transparent pricing structure, especially for ingestion at $0.50 per GB and querying at $0.01 per GB, which can be competitive for high-volume users.
Watch out
Audit Trail is 2% of monthly spend.
Strengths
- +Significantly lower storage costs (up to 140x compared to Elasticsearch).
- +High performance and scalability, capable of handling petabytes of data.
- +Open-source nature allows for community contributions, security audits, and full control.
- +Unified platform for logs, metrics, and traces simplifies observability.
- +Supports open standards and protocols for vendor-neutral integration.
Weaknesses
- -Pricing for advanced features like AI Assistant and AI SRE Agent is currently in preview, future costs are not fully detailed.
- -Requires some technical expertise for self-hosting and managing storage buckets.
Key features
Datadog
Cloud monitoring, security, and AI investigations for DevOps
Datadog is the most comprehensive observability platform, infrastructure monitoring, APM, logs, RUM, security, and 750+ integrations in one place.
Watch out
APM requires Infrastructure Monitoring on the SAME hosts: you cannot buy APM alone. APM Pro ($35/host) + Infra Pro ($15/host) = $50/host minimum. Most pricing pages only show the APM price
Strengths
- +Comprehensive platform
- +Great visualizations
- +700+ integrations
Weaknesses
- -Complex pricing
- -Can be expensive
Key features
Pricing: OpenObserve vs Datadog
| Plan | OpenObserve | Datadog |
|---|---|---|
| Tier 1 | Pay for what you use Pay As You Go | Free Free |
| Tier 2 | Contact Sales Enterprise | $15 /host/month (annual) Infrastructure Pro |
| Tier 3 | N/A | $23 /host/month (annual) Infrastructure Enterprise |
| Tier 4 | N/A | $31 /host/month (annual, with Infra) APM |
| Tier 5 | N/A | $40 /host/month (annual, with Infra) APM Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on OpenObserve pricing and Datadog pricing.
Who Should Use What?
On a budget?
Datadog has a free tier. OpenObserve is paid only.
Go with: Datadog
Want the highest-rated option?
Datadog is rated 4.4/5. OpenObserve has no ratings yet.
Go with: Datadog
Value user reviews?
OpenObserve: no ratings yet. Datadog: 726 reviews (4.4/5).
Go with: Datadog
3 Questions to Help You Decide
What's your budget?
OpenObserve is paid. Datadog is freemium. Datadog lets you start free.
What's your use case?
OpenObserve is a data & databases tool. Datadog is in monitoring. Pick the category that matches your needs.
How important are ratings?
Datadog is rated 4.4/5; OpenObserve has no ratings yet.
Key Takeaways
Datadog
- Free tier available
- Our pick for this comparison
OpenObserve
- Better fit for data & databases
The Bottom Line
Datadog wins this matchup. Our overall Monitoring pick is Better Uptime. Our free Monitoring pick is Spiceworks.
Frequently Asked Questions
Is OpenObserve or Datadog better?
Datadog is rated in our evaluation. OpenObserve is paid and Datadog is freemium.
What are OpenObserve and Datadog used for?
OpenObserve: Open source, petabyte-scale observability for logs, metrics, and traces at a fraction of the cost.. Datadog: Cloud monitoring, security, and AI investigations for DevOps.
What does OpenObserve cost vs Datadog?
OpenObserve is a paid tool. Datadog is freemium (free tier + paid plans). Visit their websites for detailed pricing.