OpenObserve vs Resend: Pricing Comparison (2026)
OpenObserve starts at Free. Resend starts at $20/mo. OpenObserve is $20/mo cheaper on the entry tier than Resend.
See price history: OpenObserve · Resend
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.
Modern email API positioned as the developer-first alternative to SendGrid and Postmark. Distinctive for React email templates (write HTML emails as React components) and for its founders' background at AWS + Vercel — the API design shows it. Priced free-$1200/mo (3K to 1M emails/mo). Popular with early-stage SaaS teams shipping transactional email and product updates. Series A in 2024.
All plans compared
| # | Plan | OpenObserve monthly | OpenObserve annual | Resend monthly | Resend annual |
|---|---|---|---|---|---|
| 1 | Cloud Professional (PAYG) / Free | 0 | 0 | 0 | 0 |
| 2 | Cloud Enterprise / Pro | custom | custom | 20 | 20 |
| 3 | Self-hosted (OSS) / Scale | 0 | 0 | 90 | 90 |
| 4 | Self-hosted Enterprise / Enterprise | 0 | 0 | custom | custom |
What each is best for
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.
Modern email API positioned as the developer-first alternative to SendGrid and Postmark. Distinctive for React email templates (write HTML emails as React components) and for its founders' background at AWS + Vercel — the API design shows it. Priced free-$1200/mo (3K to 1M emails/mo). Popular with early-stage SaaS teams shipping transactional email and product updates. Series A in 2024.
At a glance
| OpenObserve | Resend | |
|---|---|---|
| Free plan | Yes | Yes |
| Entry price | Free | $20/mo |
| Enterprise available | Yes | Yes |
| Pricing model | Per Usage | Hybrid |
| Last verified | August 18, 2026 | August 24, 2026 |
| Full pricing | View full pricing | View full pricing |
Pricing last verified August 24, 2026. Tracked daily.