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Log Management · Head to head

Splunk vs Sumo Logic

Both products compete in Log Management. Log Management software ingests, indexes, stores, and makes searchable the log output of applications, infrastructure, and services — providing search, alerting, dashboards, and long-term retention for operational visibility, security investigation, and compliance archiving. Here are the facts the B4 Index maintains on each, side by side.

The two files, side by side

What it is
Splunk is the key to enterprise resilience. Our platform enables organizations around the world to prevent major issues, absorb shocks and accelerate digital transformation.
Cloud-native log aggregation with real-time search, dashboards, and security/observability features
Pricing
~$1,800-2,200/GB/yr ingest (Workload pricing)
Free 500MB/day; enterprise ingest-tiered, quote
Categories served
SIEM, Log Management, Self-Service Analytics
Log Management
Status
Active
Active · verified June 2026

The decision underneath the comparison

Choosing between Splunk and Sumo Logic assumes you're buying Log Management at all. That's the prior question, and the B4 Index scores it on two axes: how much Log Management differentiates you, and how far AI has come at building it. Read the build-versus-buy considerations for Log Management before you shortlist either product.

Vendor facts are maintained independently of any B4 verdict and re-verified on a monthly liveness check. See the full methodology.