# Arcjet vs Source Defense Platform: side-by-side comparison (2026)

[Arcjet](https://cybersectools.com/tools/arcjet) is a commercial [runtime application self-protection](https://cybersectools.com/categories/rasp) solution by [Arcjet](https://cybersectools.com/companies/arcjet). [Source Defense Platform](https://cybersectools.com/tools/source-defense-platform) is a commercial [runtime application self-protection](https://cybersectools.com/categories/rasp) solution by [Source Defense](https://cybersectools.com/companies/source-defense). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Arcjet | Source Defense Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Runtime Application Self-Protection | Runtime Application Self-Protection |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Arcjet | Source Defense |
| Headquarters | – | – |

### Use cases and capabilities

| | Arcjet | Source Defense Platform |
|---|---|---|
| Bot Protection | Yes | – |
| WAF | Yes | – |
| PII | Yes | – |
| OWASP | Yes | – |
| Web Security | – | Yes |

### Core features

**Arcjet**

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

**Source Defense Platform**

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

### Integrations

**Arcjet**

30 integrations listed. Sign in on the page to see them.

**Source Defense Platform**

No integrations listed.

## Which one fits you

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

- [Arcjet](https://cybersectools.com/tools/arcjet) fits if you are a startup.

## Arcjet vs Source Defense Platform FAQ

Common questions when comparing Arcjet vs Source Defense Platform for runtime application self-protection.

### What is the difference between Arcjet and Source Defense Platform?

**Arcjet**: Developer-first security SDK for bot detection, rate limiting, and attack protection. Built by Arcjet.

**Source Defense Platform**: Client-side security platform protecting against JavaScript-based threats. Built by Source Defense.

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

### Who makes Arcjet and Source Defense Platform?

**Arcjet** is made by Arcjet. **Source Defense Platform** is made by Source Defense. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Arcjet a good alternative to Source Defense Platform?

Often, yes. Arcjet and Source Defense Platform are both Runtime Application Self-Protection products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Arcjet vs Aikido Zen](https://cybersectools.com/compare/aikido-zen-vs-arcjet)
- [Arcjet vs c/side](https://cybersectools.com/compare/arcjet-vs-cside)
- [Arcjet vs Alma Platform](https://cybersectools.com/compare/alma-platform-vs-arcjet)
- [Source Defense Platform vs Aikido Zen](https://cybersectools.com/compare/aikido-zen-vs-source-defense-platform)
- [Source Defense Platform vs c/side](https://cybersectools.com/compare/cside-vs-source-defense-platform)
- [Source Defense Platform vs Alma Platform](https://cybersectools.com/compare/alma-platform-vs-source-defense-platform)

## Alternatives to each

- [See all Arcjet alternatives](https://cybersectools.com/alternatives/arcjet)
- [See all Source Defense Platform alternatives](https://cybersectools.com/alternatives/source-defense-platform)

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Source: https://cybersectools.com/compare/arcjet-vs-source-defense-platform

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/arcjet.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Arcjet and Source Defense Platform: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md