Lightstep vs Sumo Logic: Observability & APM Comparison (2026)

Lightstep and Sumo Logic are both Observability & APM platforms that offer custom pricing.

AI Citation Scorecard

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

Sumo Logic leads overall — 17% cited vs Lightstep 0% across 12 probes.
ChatGPT
Lightstep
0 / 1 probes
0%
Invisible
Sumo Logic
0 / 1 probes
0%
Invisible
Perplexity
Lightstep
0 / 2 probes
0%
Invisible
Sumo LogicLeads
1 / 2 probes
50%
Excellent
Gemini
Lightstep
0 / 1 probes
0%
Invisible
Sumo Logic
0 / 1 probes
0%
Invisible
Claude
Lightstep
0 / 1 probes
0%
Invisible
Sumo Logic
0 / 1 probes
0%
Invisible
Copilot
Lightstep
0 / 1 probes
0%
Invisible
Sumo Logic
0 / 1 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

Lightstep
Starting price
—
Free tier
—
lightstep.com ↗
Sumo Logic
Starting price
—
Free tier
Yes
sumologic.com ↗

Key Features

Lightstep
  • ✓Custom quotes available
  • ✓Predictable pricing based on units
  • ✓Scalability for growth
  • ✓Evaluation of needs included
Sumo Logic
  • ✓Unlimited users
  • ✓Cloud-scale performance
  • ✓Ad-hoc investigation
  • ✓AI-driven alerting

When to choose Lightstep

Lightstep may be preferable for organizations seeking highly customized solutions and direct engagement with a sales team to determine pricing based on specific needs and usage.

When to choose Sumo Logic

Sumo Logic may be preferable for organizations that value a free tier option, unlimited users, and AI-driven alerting, along with integrations with services like PagerDuty, Slack, ServiceNow, and AWS CloudTrail.

Frequently Asked Questions

Pricing Model
Lightstep offers predictable pricing based on units and custom quotes. Sumo Logic offers flexible pricing based on usage and deployments, and has a free tier available.
Free Tier
Lightstep does not list a free tier. Sumo Logic offers a free tier.
Key Features
Lightstep's key features include custom quotes, predictable pricing based on units, scalability for growth, and evaluation of needs. Sumo Logic's key features include unlimited users, cloud-scale performance, ad-hoc investigation, and AI-driven alerting.
Integrations
Lightstep does not list specific integrations. Sumo Logic integrates with Slack, PagerDuty, ServiceNow, and AWS CloudTrail.

AI visibility profiles

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Lightstep

lightstep.com

Sumo Logic

sumologic.com

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