# Senthex AI Firewall vs Zscaler AI Runtime Protection: side-by-side comparison (2026) [Senthex AI Firewall](https://cybersectools.com/tools/senthex-ai-firewall) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Senthex](https://cybersectools.com/companies/senthex). [Zscaler AI Runtime Protection](https://cybersectools.com/tools/zscaler-ai-runtime-protection) 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 | | Senthex AI Firewall | Zscaler AI Runtime Protection | |---|---|---| | Pricing model | Commercial | Commercial | | Category | LLM Guardrails | LLM Guardrails | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Mid-Market, Enterprise | | Company | Senthex | SPLX | | Headquarters | – | – | ### Use cases and capabilities | | Senthex AI Firewall | Zscaler AI Runtime Protection | |---|---|---| | AI Firewall | Yes | – | | LLM Security | Yes | – | | LLM Guardrails | Yes | – | | Prompt Injection | Yes | – | | PII | Yes | – | | AI Compliance | Yes | – | | AI Observability | Yes | – | | OWASP | Yes | – | | GDPR | Yes | – | | GenAI Security | Yes | – | | Anomaly Detection | – | Yes | ### Core features **Senthex AI Firewall** 10 features listed. Sign in on the page to see them. **Zscaler AI Runtime Protection** 10 features listed. Sign in on the page to see them. ### Integrations **Senthex AI Firewall** 9 integrations listed. Sign in on the page to see them. **Zscaler AI Runtime Protection** 3 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Senthex AI Firewall](https://cybersectools.com/tools/senthex-ai-firewall) fits if you need both cloud and on-premises options and you are a startup or a small business. - [Zscaler AI Runtime Protection](https://cybersectools.com/tools/zscaler-ai-runtime-protection) fits if you want a cloud product. ## Senthex AI Firewall vs Zscaler AI Runtime Protection FAQ Common questions when comparing Senthex AI Firewall vs Zscaler AI Runtime Protection for LLM guardrails. ### What is the difference between Senthex AI Firewall and Zscaler AI Runtime Protection? **Senthex AI Firewall**: Proxy-based AI firewall with 26 shields and verifiable audit trail for LLMs. Built by Senthex. **Zscaler AI Runtime Protection**: Runtime protection for AI systems detecting prompt attacks & data leaks. Built by SPLX. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Senthex AI Firewall and Zscaler AI Runtime Protection? **Senthex AI Firewall** is made by Senthex founded in 2025-01-01T00:00:00.000Z. **Zscaler AI Runtime Protection** 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 Senthex AI Firewall a good alternative to Zscaler AI Runtime Protection? Often, yes. Senthex AI Firewall and Zscaler AI Runtime Protection are both LLM Guardrails products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Senthex AI Firewall vs RealmGuard](https://cybersectools.com/compare/realm-labs-platform-vs-senthex-ai-firewall) - [Senthex AI Firewall vs Confident Security](https://cybersectools.com/compare/confident-security-vs-senthex-ai-firewall) - [Senthex AI Firewall vs SlashLLM](https://cybersectools.com/compare/senthex-ai-firewall-vs-slashllm) - [Zscaler AI Runtime Protection vs RealmGuard](https://cybersectools.com/compare/realm-labs-platform-vs-zscaler-ai-runtime-protection) - [Zscaler AI Runtime Protection vs Confident Security](https://cybersectools.com/compare/confident-security-vs-zscaler-ai-runtime-protection) - [Zscaler AI Runtime Protection vs SlashLLM](https://cybersectools.com/compare/slashllm-vs-zscaler-ai-runtime-protection) ## Alternatives to each - [See all Senthex AI Firewall alternatives](https://cybersectools.com/alternatives/senthex-ai-firewall) - [See all Zscaler AI Runtime Protection alternatives](https://cybersectools.com/alternatives/zscaler-ai-runtime-protection) --- Source: https://cybersectools.com/compare/senthex-ai-firewall-vs-zscaler-ai-runtime-protection For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/senthex-ai-firewall.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Senthex AI Firewall and Zscaler AI Runtime Protection: 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