Prompt Security Platform is a commercial LLM guardrails solution by Prompt Security. RealmGuard is a commercial LLM guardrails solution by Realm Labs. Features, integrations, deployment and the company behind each one, side by side.
SentinelOne's Prompt Security: AI security platform plus open-source agent/LLM tools
AI guardrail platform detecting harmful outputs, prompt injections & policy violations.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Prompt Security Platform fits if you want a cloud product.
RealmGuard fits if you need both cloud and on-premises options.
Common questions when comparing Prompt Security Platform vs RealmGuard for LLM guardrails.
Prompt Security Platform: SentinelOne's Prompt Security: AI security platform plus open-source agent/LLM tools. Built by Prompt Security.
RealmGuard: AI guardrail platform detecting harmful outputs, prompt injections & policy violations. Built by Realm Labs.
The table above shows where their features, integrations, deployment and company size fit differ.
Prompt Security Platform is made by Prompt Security. RealmGuard is made by Realm Labs. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Prompt Security Platform and RealmGuard are both LLM Guardrails products, and both cover Prompt Injection, GenAI Security. Use the table above to see where features, deployment and company size fit differ.
No LLM Guardrails shortlist yet. This is the closest one.
Updated 2026-11-02
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