OpenSecureAI Prompt Firewall

No phone app

6.4No. 4 of 21
in AI Guardrail Software

Recognised40% of the score20
Phone app26% of the score0
Documented20% of the score97
Free plan14% of the score100

Free plan: Yes
Paid plans from: $49/mo
Runs on: self-hosted, Web

Summary

OpenSecureAI Prompt Firewall is ranked #4 of 21 in AI guardrail software on Samsung Mobile US Press. It runs on Self-hosted, Web. There is a free plan. Paid plans start at $49/mo.

OpenSecureAI Prompt Firewall plans and pricing

All plans

Free Free $0/month All in-browser tools and npm packages · 2,000 API requests/month · 30 requests/minute/key · Account-synced scan history · BYOK LLM Gateway · BYOK AI remediation opensecureai.com · 2 Oct 2026

Pro $49/mo $49/month Everything in Free · 50,000 API requests/month · 120 requests/minute/key · Hosted AI remediation and LLM Gateway completions · Priority email support opensecureai.com · 2 Oct 2026

Team Not published Custom Everything in Pro · 250,000 API requests/month · 300 requests/minute/key · Team seats and SSO (planned) · Custom rules and SLA (planned) opensecureai.com · 2 Oct 2026

Compared on AI guardrail software

Free plan: Yesopensecureai.com
Paid from: $49/moopensecureai.com
Deployment: hybridopensecureai.com
Prompt injection defense: Yesopensecureai.com
PII detection: Yesopensecureai.com
Jailbreak detection: Yesopensecureai.com
Custom policies: Yesopensecureai.com
SDK languages: TypeScriptopensecureai.com

Facts

Purpose: Prompt Firewall decides whether text is allowed, flagged, or blocked before it reaches an LLM.opensecureai.com · 2 Oct 2026
Detection: It combines prompt-injection detection, secret detection, and PII redaction under a user-controlled policy.opensecureai.com · 2 Oct 2026
Policy behavior: Injection or secrets trigger a block, while PII is redacted and flagged.opensecureai.com · 2 Oct 2026
Client-side processing: The live firewall demonstration is 100% client-side and states that nothing is uploaded.opensecureai.com · 2 Oct 2026
Developer use: The same engine is available as the free @opensecureai/firewall npm package and CLI for application and CI use.opensecureai.com · 2 Oct 2026
CI integration: The CLI can read files or stdin and return a nonzero exit code when findings meet a selected threshold.opensecureai.com · 2 Oct 2026
Scanning engines: The firewall runs separate prompt-injection and PII/secrets engines over text before applying policy.opensecureai.com · 2 Oct 2026
Inputs and outputs: OpenSecureAI describes the firewall logic as middleware usable on both model inputs and model outputs.opensecureai.com · 2 Oct 2026
Open source model: The core engine and npm packages are open source and dependency-free.opensecureai.com · 2 Oct 2026
Hosted enhancements: An API key unlocks hosted detections for obfuscation or encoding evasions, indirect injection, tool abuse, multilingual overrides, and de-obfuscation.opensecureai.com · 2 Oct 2026
Model integrations: The LLM Gateway supports OpenAI, Anthropic, xAI, and Groq providers with bring-your-own-key operation.opensecureai.com · 2 Oct 2026
Credential handling: OpenSecureAI states that gateway provider keys are never stored or logged.opensecureai.com · 2 Oct 2026
Support: The pricing page lists Community support for Free, Priority email support for Pro, and Priority plus SLA planned for Team.opensecureai.com · 2 Oct 2026
Audience: The product is positioned for AI application teams shipping LLM features to production and for developers building agents.opensecureai.com · 2 Oct 2026
Security contact: OpenSecureAI says it responds to responsible vulnerability reports within 48 hours.opensecureai.com · 2 Oct 2026