OpenObserve
Depends
Confidence: Medium
Buy if you ingest heavy log volume, have DevOps capacity to self-host or patch, and want Datadog-level features at a fraction of the cost.
Comparison
OpenObserve vs Datadog
OpenObserve and Datadog both land on Depends.
Datadog
Depends
Confidence: High
Buy it if you run a mid-to-large engineering org with complex infrastructure and budget for usage-based bills.
| Compare | OpenObserve | Datadog |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | High-volume log teams bleeding money on Datadog | Mid-to-large engineering orgs |
| Who it's not for | Buyers needing genuine OSI open-source licensing, not open-core | Small teams or side projects on a budget |
| Privacy | Three published CVEs (SSRF, privilege escalation, unauthorized access); active advisory process and trust center exist.⁹ | No confirmed platform breach in reviewed sources; agent components carry published CVEs and a 2016 incident is documented. |
| Support quality | Reviewers report responsive team support | No support evidence in reviewed sources |
| Public sentiment | Users praise cost, ease, and scale on Reddit, G2, and Product Hunt; a vocal minority resents enterprise feature gating.² | Users praise the unified visibility and integration depth, but cost is the loudest complaint across Reddit and review sites.13 |
| Biggest gotcha | Open-core reality: some features require paid or enterprise licenses despite the public repo⁴ | Multi-dimensional billing: hosts, logs, APM, synthetics each metered separately |
Pick OpenObserve when
- High-volume log teams bleeding money on Datadog
- Self-hosters with DevOps capacity
- Cost-sensitive startups (50% discount program)
- Teams wanting unified logs, metrics, traces in one tool
When OpenObserve is not a fit
- Buyers needing genuine OSI open-source licensing, not open-core
- Teams without ops staff to self-host and patch CVEs
- Tiny teams needing only basic uptime checks . use a simpler free tool
- Enterprises requiring long-tenured vendor stability guarantees
Pick Datadog when
- Mid-to-large engineering orgs
- Cloud-native, multi-service architectures
- Teams consolidating logs, metrics, traces, security
When Datadog is not a fit
- Small teams or side projects on a budget
- Anyone needing one simple dashboard, not a platform
- Buyers without FinOps oversight of usage bills
Sources
review
- G2: OpenObserve Reviewsg2.comreview
- Product Hunt: OpenObserve launchproducthunt.comreview
review
news
- Businesswire: $10M Series Abusinesswire.comnews
- Businesswire: 20,000 GitHub stars, 8,000+ orgsbusinesswire.comnews
- SentinelOne: CVE-2026-39361 SSRFsentinelone.comsecurity
- SentinelOne: CVE-2024-55954 privilege escalationsentinelone.comsecurity
- OpenObserve pricing pageopenobserve.aiofficial
- OpenObserve security & complianceopenobserve.aiofficial
review