LokiObservability
vs
SigNozThe Open Source Datadog Alternative
Comparison · Observability · weekly run Nov 3
Loki vs SigNoz
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
SigNoz is the stronger AI pick in Observability: it has a visibility score of 12.3 versus 12 for Loki, and ranks ahead in 54% of the answers that name both.
Choose Loki if…
- You need SOC 2 or ISO/IEC 27001 or ISO 22301 or PCI DSS v4.0.1 or GDPR or TISAX or CSA STAR or FedRAMP High or TX-RAMP Level 2 coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
- Open-source, standards-driven telemetry stack
- Composable dashboards and data visualization
Choose SigNoz if…
- You want the brand AI engines rank higher (12.3 vs 12)
- AI answers describe it more positively (44% vs 7% positive)
- You need a self-hosted or on-premises option
- You need SOC 2 Type II or HIPAA coverage
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Loki | SigNoz |
|---|---|---|
| Visibility score | 12% | 12.3% |
| Change vs last week | New | New |
| Rank in Observability | #11 | #10 |
| Share of voice | 4.7% | 3.7% |
| Mentions this run | 27 | 22 |
| Positive in AI answers | 7% | 44% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Loki 0pp · SigNoz 0pp over 0 weekly runs.
Engine by engine
SigNoz leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
LokiSigNoz
Head to head in AI answers
13 engine answers name both brands
6Loki ranked higher
7SigNoz ranked higher
| Prompt | Engine | Loki | SigNoz |
|---|---|---|---|
| What are the best observability tools in 2026? | ChatGPT | #5 | #12 |
| What are the best observability tools in 2026? | AI Mode | #7 | #10 |
| What are the best observability tools in 2026? | Perplexity | #12 | #9 |
| Top observability platform options for B2B SaaS companies | ChatGPT | #8 | #6 |
| Top observability platform options for B2B SaaS companies | Perplexity | #7 | #9 |
| Best observability platform for startups | ChatGPT | #6 | #2 |
| Best observability platform for startups | AI Mode | #7 | #1 |
| Compare the leading observability platforms | Perplexity | #8 | #16 |
| Alternatives to the most popular observability platform | ChatGPT | #5 | #13 |
| Alternatives to the most popular observability platform | Perplexity | #13 | #9 |
| Most affordable observability platform that is still reliable | ChatGPT | #6 | #2 |
| Most affordable observability platform that is still reliable | AI Mode | #5 | #8 |
Features, pricing & fit
| Dimension | Loki | SigNoz |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | $49 / mo |
| Free plan | — | No |
| Deployment | Self-hosted or through Grafana Cloud | SigNoz Cloud (managed, with US, EU and India regions), bring-your-own-cloud, or self-hosted |
| Compliance | SOC 2, ISO/IEC 27001, ISO 22301, PCI DSS v4.0.1, GDPR, TISAX, CSA STAR, FedRAMP High, TX-RAMP Level 2 | 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 |
| Founded | 2018 | 2020 |
| Headquarters | New York, NY | San Francisco, CA |
| Employees | 1,001–5,000 | 11–50 |
| Funding | Series E · $660M raised | Unnamed round after Y Combinator participation · $7M raised |
| Best for | — | Fast-scaling engineering teams that want usage-based pricing, and solo developers and small startups that want to self-host. |
Plans side by side
Loki
Pricing not available.
SigNoz
Community (Self-Hosted)Customself-hosted
Teams (SigNoz Cloud)$49month
Enterprise$4,000month, starts at
Pros and cons
Themes from the AI answers that mention each brand
Loki
- Open-source, standards-driven telemetry stack
- Composable dashboards and data visualization
- Built natively around OpenTelemetry
- Managed cloud offering with a permanent free tier
- Cost-effective compared with licensed platforms
- Requires internal engineering time to maintain, configure, and scale
- Ongoing infrastructure, storage, and maintenance costs
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
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Loki vs SigNoz”, https://slateindex.ai/compare/loki-vs-signoz, data of Nov 3, 2026. Licence: CC BY 4.0.