SigNozThe Open Source Datadog Alternative
vs
SplunkData Platform for Security, Observability & AI
Comparison · Observability · weekly run Nov 3
SigNoz vs Splunk
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Splunk is the stronger AI pick in Observability: it has a visibility score of 22.5 versus 12.3 for SigNoz, and ranks ahead in 78% of the answers that name both.
Choose SigNoz if…
- AI answers describe it more positively (44% vs 21% positive)
- You need SOC 2 Type II or HIPAA coverage
- Cost-effective open-source alternative to Datadog and New Relic
- Native OpenTelemetry observability platform
Choose Splunk if…
- You want the brand AI engines rank higher (22.5 vs 12.3)
- You want a free plan to start
- You prefer a larger, established vendor (5,000+ employees)
- Strong log analytics and security data capabilities at enterprise scale
AI visibility side by side
Latest weekly run · Nov 3
| Metric | SigNoz | Splunk |
|---|---|---|
| Visibility score | 12.3% | 22.5% |
| Change vs last week | New | New |
| Rank in Observability | #10 | #6 |
| Share of voice | 3.7% | 5.8% |
| Mentions this run | 22 | 35 |
| Positive in AI answers | 44% | 21% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
SigNoz 0pp · Splunk 0pp over 0 weekly runs.
Engine by engine
Splunk leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
SigNozSplunk
Head to head in AI answers
9 engine answers name both brands
2SigNoz ranked higher
7Splunk ranked higher
| Prompt | Engine | SigNoz | Splunk |
|---|---|---|---|
| How do I choose an observability platform for a mid-market team? | Perplexity | #8 | #12 |
| What are the best observability tools in 2026? | ChatGPT | #12 | #9 |
| What are the best observability tools in 2026? | Perplexity | #9 | #7 |
| Compare the leading observability platforms | Perplexity | #16 | #11 |
| Alternatives to the most popular observability platform | ChatGPT | #13 | #12 |
| Alternatives to the most popular observability platform | Perplexity | #9 | #10 |
| Which observability tools offer annual discounts? | Perplexity | #8 | #2 |
| Official website of the top observability platform vendors | ChatGPT | #19 | #4 |
| Where can I sign up for an observability platform? | Perplexity | #3 | #1 |
Features, pricing & fit
| Dimension | SigNoz | Splunk |
|---|---|---|
| Pricing model | Usage-based | Usage-based |
| Entry price | $49 / mo | Free; paid from $15 / mo |
| Free plan | No | Yes |
| Deployment | SigNoz Cloud (managed, with US, EU and India regions), bring-your-own-cloud, or self-hosted | Splunk Cloud Platform as SaaS, or Splunk Enterprise in a private cloud or on-premises, including air-gapped environments |
| Integrations | — | 2000+ |
| Compliance | SOC 2 Type II, HIPAA | — |
| Support | Community support on Slack, Email support, In-product chat support, Dedicated Slack, email and in-product support on Enterprise plans | Standard support included with product purchases, Premium support available, Support Portal for capacity changes |
| Founded | 2020 | 2003 |
| Headquarters | San Francisco, CA | San Francisco, California, US |
| Employees | 11–50 | 5,000+ |
| Funding | Unnamed round after Y Combinator participation · $7M raised | IPO |
| Best for | Fast-scaling engineering teams that want usage-based pricing, and solo developers and small startups that want to self-host. | SecOps, ITOps and engineering teams that run large volumes of machine data and need security and observability in one platform |
Plans side by side
SigNoz
Community (Self-Hosted)Customself-hosted
Teams (SigNoz Cloud)$49month
Enterprise$4,000month, starts at
Splunk
Infrastructure$15host/month billed annually
App & Infra$60host/month billed annually
End-to-End$75host/month billed annually
Pros and cons
Themes from the AI answers that mention each brand
SigNoz
- Cost-effective open-source alternative to Datadog and New Relic
- Native OpenTelemetry observability platform
- Free self-hosting and data ownership
- Transparent, predictable pricing
- Good fit for startups and engineering teams
- Narrower integrations than broadest competitors
- Requires engineering time to run
Splunk
- Strong log analytics and security data capabilities at enterprise scale
- Real-time infrastructure monitoring and application performance monitoring
- Free edition and trial available
- Incident alerting integration that routes and auto-resolves incidents
- Good fit for existing Splunk customers
- Complex, opaque, hard-to-predict pricing with surprise overage fees
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “SigNoz vs Splunk”, https://slateindex.ai/compare/signoz-vs-splunk, data of Nov 3, 2026. Licence: CC BY 4.0.