Merge vs OpenObserve — Pricing, Plans, and Verified Costs (2026)
Merge starts at $650/mo. OpenObserve uses custom pricing — request a quote to compare.
See price history: Merge · OpenObserve
How pricing works
These two tools don't price the same way, so the headline numbers below aren't directly comparable until you plug in your own volume.
- Merge (Unknown model) — Merge bills on a fixed plan from $650/mo, so the listed price is what you pay regardless of volume.
- OpenObserve (Per Usage) — OpenObserve bills purely on usage — $0.50/GB ingest + $0.01/GB query (30% off annual, no per-seat fees). There is no fixed per-seat fee, so the monthly cost depends entirely on how much you consume.
Per-minute, per-credit and per-token rates exclude any downstream model, speech or telephony costs unless the vendor states otherwise.
Unified API platform for B2B SaaS. Positioned as the alternative to building N integrations per category (HRIS, ATS, CRM, accounting). Distinctive: one API call reaches 200+ tools — you code once, your customers connect to whatever they use. Free for first 3 production Linked Accounts. Paid starts at $650/mo for up to 10 accounts, then $65 per additional — mandatory annual contracts. Popular with vertical SaaS whose customers span many operational tools.
OpenObserve is a Datadog/Splunk/New Relic alternative positioned on transparent pay-as-you-go pricing with no per-seat or per-host fees. Cloud PAYG: $0.50/GB ingestion + $0.01/GB query (30% off with annual commit). Includes 15-month metrics retention + 30-day non-metrics retention default. Enterprise adds SSO/RBAC, AI SRE agent, BYO bucket infinite retention. Self-hosted OSS is free; Self-hosted Enterprise free up to 50GB/day.
All plans compared
| Tier role | Plan | Merge monthly | Merge annual | OpenObserve monthly | OpenObserve annual |
|---|---|---|---|---|---|
| Free / starter | Free / Cloud Professional (PAYG) | Free | Free | Free | Free |
| Entry paid | Launch / — | $650 | $650 | — | — |
| Enterprise | Enterprise / Cloud Enterprise | Custom | Custom | Custom | Custom |
Tier names differ across vendors. Rows are aligned by tier role, not name. Full tier structures on each tool's page.
What each is best for
Merge is worth it if… B2B SaaS companies (Series A-Series D) that need to build integrations with dozens of HR, ATS, ticketing, or accounting platforms via a single unified API — rather than building each one individually. Launch is the entry paid tier; Professional adds more integration categories.
OpenObserve is worth it if… OpenObserve is ideal for teams migrating off Datadog, Splunk, or New Relic who want radically transparent pay-per-GB pricing with no seat fees. Best if your telemetry cost is dominated by log and metric volume rather than user count.
Bottom line: Similar positioning, closer to a preference call than a strategic one.
Choose Merge over OpenObserve if…
Choose Merge if…
- You're comfortable with Merge's from $650/mo entry point.
- You match the profile Merge is built for: B2B SaaS companies (Series A-Series D) that need to build integrations with dozens of HR, ATS, ticketing, or accounting platforms via a single unified API — rather than building each one individually.
- You need a general-purpose developer & infrastructure option rather than a vertical-specific one.
Choose OpenObserve if…
- You want to pay only for actual usage (per usage, a free entry tier).
- You match the profile OpenObserve is built for: ideal for teams migrating off Datadog, Splunk, or New Relic who want radically transparent pay-per-GB pricing with no seat fees.
- You need a general-purpose developer & infrastructure option rather than a vertical-specific one.
At a glance
| Merge | OpenObserve | |
|---|---|---|
| Free plan | Yes | Yes |
| Entry price | $650/mo | Free |
| Enterprise available | Yes | Yes |
| Pricing model | — | Per Usage |
| Verification | Pricing under review | Pricing under review |
| Full pricing | View full pricing | View full pricing |
Pricing last verified September 27, 2026. Verification cadence varies by tool; check each tool page.