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SigNoz vs OpenObserve

A comparison of SigNoz and OpenObserve built from values read directly from each provider's own documentation, with the source recorded against every figure.

Updated 8 criteria comparedSources last checked

The short answer

Pick SigNoz if
Teams that want per-GB billing without per-host or per-seat charges, and the option to run the same product themselves rather than being locked to the cloud version.
Pick OpenObserve if
Teams that want one bill they can predict — ingest, query, and retention included — with session replay and RUM in the same product rather than as separate purchases.

3 sourced criteria separate them:

Pricing model
SigNoz: Per GB ingested, with no per-user, per-host or custom-metric pricing — SigNoz states all three exclusions explicitly. Retention is a per-signal choice that changes the rate.
OpenObserve: Two meters and nothing else: $0.50 per GB ingested and $0.01 per GB queried, with retention included rather than sold as a tier. OpenObserve frames it as no hidden tiers and no surprise bills.
Retention window
SigNoz: 15 days by default for logs and traces, selectable up to 30, 90, 180 days or 1 year at higher rates.
OpenObserve: Included rather than priced: 15 months for metrics and 30 days for logs, traces, RUM and everything else, at no extra cost on pay-as-you-go.
Ingest price per GB
SigNoz: $0.30 per GB ingested for logs, and the same for traces. Retention is chosen per signal and priced with it.
OpenObserve: $0.50 per GB ingested, quoted with a 30% annual-commitment discount already applied.

No affiliate links, sponsored placements or paid rankings appear on this site. Ordering follows the sourced data and the stated criteria.

01.

At a glance.

CriterionSigNozOpenObserve
Pricing
Pricing modelPer GB ingested, with no per-user, per-host or custom-metric pricing — SigNoz states all three exclusions explicitly. Retention is a per-signal choice that changes the rate.Two meters and nothing else: $0.50 per GB ingested and $0.01 per GB queried, with retention included rather than sold as a tier. OpenObserve frames it as no hidden tiers and no surprise bills.
Observability
Retention window
15 days by default for logs and traces, selectable up to 30, 90, 180 days or 1 year at higher rates.
Included rather than priced: 15 months for metrics and 30 days for logs, traces, RUM and everything else, at no extra cost on pay-as-you-go.
Self-hostableSupportedSupported
Ingest price per GB
$0.30 per GB ingested for logs, and the same for traces. Retention is chosen per signal and priced with it.
$0.50 per GB ingested, quoted with a 30% annual-commitment discount already applied.

Only criteria both providers publish appear here; a tinted cell marks a real difference. Criteria only one of them documents are listed below, and an absence there means we found no source — not that the feature is missing. How we source this.

The small bar above a value is inetGeek's own lean toward that side — computed from the same facts shown, never a number the provider published. See the picker below "The short answer" to weigh only the criteria you care about.

02.

Where they differ.

Pricing model

SigNoz
Per GB ingested, with no per-user, per-host or custom-metric pricing — SigNoz states all three exclusions explicitly. Retention is a per-signal choice that changes the rate.
OpenObserve
Two meters and nothing else: $0.50 per GB ingested and $0.01 per GB queried, with retention included rather than sold as a tier. OpenObserve frames it as no hidden tiers and no surprise bills.
Sources (2) →
  • Pricing — SigNoz ↗

    “Simple Usage-based Predictable Observability Costs No user-based pricing No host-based pricing No special pricing for custom metrics”

    Read 2026-09-06 · official pricing

  • Pricing — OpenObserve ↗

    “Pay-as-you-go from $0.50/GB ingested and $0.01/GB queried, with retention included. No hidden tiers, no surprise bills”

    Read 2026-09-06 · official pricing

Retention window

SigNoz

15 days by default for logs and traces, selectable up to 30, 90, 180 days or 1 year at higher rates.

OpenObserve

Included rather than priced: 15 months for metrics and 30 days for logs, traces, RUM and everything else, at no extra cost on pay-as-you-go.

Sources (2) →
  • Pricing — SigNoz ↗

    “Logs $ 0.3 /GB ingested 15 days retention 15 days retention 30 days retention 90 days retention 180 days retention 1 year retention”

    Read 2026-09-06 · official pricing

  • Pricing — OpenObserve ↗

    “Included Retention Metrics 15 Months Non metrics (Logs, Traces and etc.) 30-Days [...] The Pay-as-you-Go plan includes the following default retention at no extra cost”

    Read 2026-09-06 · official pricing

Ingest price per GB

SigNoz
$0.30 per GB ingested for logs, and the same for traces. Retention is chosen per signal and priced with it.
OpenObserve
$0.50 per GB ingested, quoted with a 30% annual-commitment discount already applied.
Sources (2) →
  • Pricing — SigNoz ↗

    “Logs $ 0.3 /GB ingested 15 days retention [...] Traces $ 0.3 /GB ingested 15 days retention”

    Read 2026-09-06 · official pricing

  • Pricing — OpenObserve ↗

    “Ingestion $0.50 per GB* Query $0.01 per GB [...] *Includes 30% discount for annual commitment”

    Read 2026-09-06 · official pricing

When these numbers change, hear about it. Sources are re-checked monthly; a repricing goes out as a short note.

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03.

Which should you choose?

Choose SigNoz if…

Teams that want per-GB billing without per-host or per-seat charges, and the option to run the same product themselves rather than being locked to the cloud version.

Editorial · Palash Bagchi · approved

Choose OpenObserve if…

Teams that want one bill they can predict — ingest, query, and retention included — with session replay and RUM in the same product rather than as separate purchases.

Editorial · Palash Bagchi · approved

Consider something else if…

  • SigNoz: $0.30 per GB is six times OpenObserve's rate, so a high-volume log pipeline pays a large premium for the packaging.
  • OpenObserve: Ingest is $0.50 per GB against Grafana Cloud's $0.050, so the simplicity costs an order of magnitude at volume.
04.

Documented by only one.

These criteria are published by one provider and not the other. An absence here means we have not found a source, not that the feature is missing.

Free tierSigNoz: No
Entry paid planSigNoz: $49/month for Teams, and the $49 is usage credit rather than a fee on top — SigNoz bills against it before charging more.
Session replayOpenObserve: Supported
Query priceOpenObserve: $0.01 per GB queried, billed separately from ingest.
05.

Questions this comparison answers.

Should I choose SigNoz or OpenObserve?

Pick SigNoz if Teams that want per-GB billing without per-host or per-seat charges, and the option to run the same product themselves rather than being locked to the cloud version.

Pick OpenObserve if Teams that want one bill they can predict — ingest, query, and retention included — with session replay and RUM in the same product rather than as separate purchases.

Every page here is sourced and dated.