# Graylog SIEM vs StreamAlert: side-by-side comparison (2026)

[Graylog SIEM](https://cybersectools.com/tools/graylog-siem) is a commercial [security information and event management](https://cybersectools.com/categories/security-information-and-event-management-siem) solution by [Graylog, Inc](https://cybersectools.com/companies/graylog-inc). [StreamAlert](https://cybersectools.com/tools/streamalert) is a free [security information and event management](https://cybersectools.com/categories/security-information-and-event-management-siem) solution. Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best SIEM Solutions for Business](https://cybersectools.com/shortlists/best-siem-solutions) picks Microsoft Sentinel, Splunk Enterprise Security, CrowdStrike Falcon Next-Gen SIEM and 4 more.

## Side-by-side comparison

| | Graylog SIEM | StreamAlert |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Security Information and Event Management | Security Information and Event Management |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | – | 2,886 |
| Last commit | – | Jul 2022 |
| Company | Graylog, Inc. | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Graylog SIEM | StreamAlert |
|---|---|---|
| Alerting | Yes | – |
| Log Management | Yes | Yes |

### Core features

**Graylog SIEM**

10 features listed. Sign in on the page to see them.

**StreamAlert**

No features listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Graylog SIEM](https://cybersectools.com/tools/graylog-siem) fits if you need both cloud and on-premises options.
- [StreamAlert](https://cybersectools.com/tools/streamalert) fits if you want a cloud product, you need a free product and you want an open-source product.

## Graylog SIEM vs StreamAlert FAQ

Common questions when comparing Graylog SIEM vs StreamAlert for security information and event management.

### What is the difference between Graylog SIEM and StreamAlert?

**Graylog SIEM**: AI-powered SIEM platform for log management, threat detection, and IT ops. Built by Graylog, Inc.

**StreamAlert**: Serverless, real-time data analysis framework for incident detection and response.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Graylog SIEM and StreamAlert?

**Graylog SIEM** is made by Graylog, Inc. **StreamAlert** is open-source with 2,886 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Graylog SIEM a good alternative to StreamAlert?

Often, yes. Graylog SIEM and StreamAlert are both Security Information and Event Management products, and both cover Log Management. Key differences: Graylog SIEM is Commercial while StreamAlert is Free, StreamAlert is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Graylog SIEM vs Graylog AI-Powered Security](https://cybersectools.com/compare/graylog-ai-powered-security-vs-graylog-siem)
- [Graylog SIEM vs Graylog AI-Powered Security & IT Operations](https://cybersectools.com/compare/graylog-ai-powered-security-and-it-operations-vs-graylog-siem)
- [Graylog SIEM vs Graylog](https://cybersectools.com/compare/graylog-graylog-vs-graylog-siem)
- [StreamAlert vs Graylog AI-Powered Security](https://cybersectools.com/compare/graylog-ai-powered-security-vs-streamalert)
- [StreamAlert vs Graylog AI-Powered Security & IT Operations](https://cybersectools.com/compare/graylog-ai-powered-security-and-it-operations-vs-streamalert)
- [StreamAlert vs Graylog](https://cybersectools.com/compare/graylog-graylog-vs-streamalert)

## Alternatives to each

- [See all Graylog SIEM alternatives](https://cybersectools.com/alternatives/graylog-siem)
- [See all StreamAlert alternatives](https://cybersectools.com/alternatives/streamalert)

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Source: https://cybersectools.com/compare/graylog-siem-vs-streamalert

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