# TrojAI Defend vs Zscaler SPLX AI Runtime Threat Inspection: side-by-side comparison (2026)

[TrojAI Defend](https://cybersectools.com/tools/trojai-defend) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [A10 Networks](https://cybersectools.com/companies/a10-networks). [Zscaler SPLX AI Runtime Threat Inspection](https://cybersectools.com/tools/zscaler-splx-ai-runtime-threat-inspection) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [SPLX](https://cybersectools.com/companies/splx). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | TrojAI Defend | Zscaler SPLX AI Runtime Threat Inspection |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | LLM Guardrails | LLM Guardrails |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | A10 Networks | SPLX |
| Headquarters | – | – |

### Use cases and capabilities

| | TrojAI Defend | Zscaler SPLX AI Runtime Threat Inspection |
|---|---|---|
| Content Filtering | Yes | – |
| Browser Security | Yes | – |
| AI Firewall | Yes | – |
| Anomaly Detection | – | Yes |

### Core features

**TrojAI Defend**

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

**Zscaler SPLX AI Runtime Threat Inspection**

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

### Integrations

**TrojAI Defend**

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

**Zscaler SPLX AI Runtime Threat Inspection**

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

## TrojAI Defend vs Zscaler SPLX AI Runtime Threat Inspection FAQ

Common questions when comparing TrojAI Defend vs Zscaler SPLX AI Runtime Threat Inspection for LLM guardrails.

### What is the difference between TrojAI Defend and Zscaler SPLX AI Runtime Threat Inspection?

**TrojAI Defend**: AI firewall for runtime protection of AI models, applications, and agents. Built by A10 Networks.

**Zscaler SPLX AI Runtime Threat Inspection**: Analyzes AI interaction logs for near real-time threat detection in GenAI apps. Built by SPLX.

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

### Who makes TrojAI Defend and Zscaler SPLX AI Runtime Threat Inspection?

**TrojAI Defend** is made by A10 Networks. **Zscaler SPLX AI Runtime Threat Inspection** is made by SPLX. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is TrojAI Defend a good alternative to Zscaler SPLX AI Runtime Threat Inspection?

Often, yes. TrojAI Defend and Zscaler SPLX AI Runtime Threat Inspection are both LLM Guardrails products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [TrojAI Defend vs Akamai Firewall for AI](https://cybersectools.com/compare/akamai-firewall-for-ai-vs-trojai-defend)
- [TrojAI Defend vs RealmGuard](https://cybersectools.com/compare/realm-labs-platform-vs-trojai-defend)
- [TrojAI Defend vs CloudMatos Prompt Firewall](https://cybersectools.com/compare/cloudmatos-prompt-firewall-vs-trojai-defend)
- [Zscaler SPLX AI Runtime Threat Inspection vs Akamai Firewall for AI](https://cybersectools.com/compare/akamai-firewall-for-ai-vs-zscaler-splx-ai-runtime-threat-inspection)
- [Zscaler SPLX AI Runtime Threat Inspection vs RealmGuard](https://cybersectools.com/compare/realm-labs-platform-vs-zscaler-splx-ai-runtime-threat-inspection)
- [Zscaler SPLX AI Runtime Threat Inspection vs CloudMatos Prompt Firewall](https://cybersectools.com/compare/cloudmatos-prompt-firewall-vs-zscaler-splx-ai-runtime-threat-inspection)

## Alternatives to each

- [See all TrojAI Defend alternatives](https://cybersectools.com/alternatives/trojai-defend)
- [See all Zscaler SPLX AI Runtime Threat Inspection alternatives](https://cybersectools.com/alternatives/zscaler-splx-ai-runtime-threat-inspection)

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Source: https://cybersectools.com/compare/trojai-defend-vs-zscaler-splx-ai-runtime-threat-inspection

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

More on TrojAI Defend and Zscaler SPLX AI Runtime Threat Inspection: 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