Splunk vs AT&T Cybersecurity AlienVault USM: SIEM Comparison (2026)

An independent side-by-side comparison of Splunk and AT&T Cybersecurity AlienVault USM for siem buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask siem questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Too early to call — probes still building data.
ChatGPT
Splunk
4 / 6 probes
67%
Excellent
AT&T Cybersecurity AlienVault USM
Tracking…
No data yet
Perplexity
Splunk
6 / 7 probes
86%
Excellent
AT&T Cybersecurity AlienVault USM
Tracking…
No data yet
Gemini
Splunk
1 / 6 probes
17%
Average
AT&T Cybersecurity AlienVault USM
Tracking…
No data yet
Claude
Splunk
4 / 6 probes
67%
Excellent
AT&T Cybersecurity AlienVault USM
Tracking…
No data yet
Copilot
Splunk
2 / 6 probes
33%
Good
AT&T Cybersecurity AlienVault USM
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Splunk
Starting price
Free tier
splunk.com
AT&T Cybersecurity AlienVault USM
Starting price
Free tier
att.com

Key Features

Splunk
  • Workload-based pricing
  • Ingest pricing model
  • Entity-based pricing
  • Activity-based pricing
AT&T Cybersecurity AlienVault USM

Feature data is being indexed.

When to choose Splunk

Choose Splunk if your team prioritizes its strengths over AT&T Cybersecurity AlienVault USM's. Full guidance populates as Splunk's feature data is indexed.

When to choose AT&T Cybersecurity AlienVault USM

Choose AT&T Cybersecurity AlienVault USM if your team prioritizes its strengths over Splunk's. Full guidance populates as AT&T Cybersecurity AlienVault USM's feature data is indexed.

AI visibility profiles

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