OpenSecureAI Prompt Firewall
API—OSS—FREEyesDOCS5/5
OP6.0#14 of 21
outWeb—Windows—Mac—Linux—Android—iOS
Ranked in AI Guardrail Software ·Free plan· paid from $49/mo
About
OpenSecureAI Prompt Firewall is ranked #14 of 21 in AI guardrail software on Inferse. It runs on Self-hosted, Web. There is a free plan. Paid plans start at $49/mo.
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
Company
- Founded
- 2026opensecureai.com · 28 Sept 2026
- Headquarters
- Global — Remote Firstopensecureai.com · 28 Sept 2026
Best OpenSecureAI Prompt Firewall alternatives
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Where it ranks on Inferse
- Best AI Guardrail Software in 2026#14 of 21
Sources
- opensecureai.com/tools/firewall· checked 2 Oct 2026
- opensecureai.com/docs· checked 2 Oct 2026
- opensecureai.com/pricing· checked 2 Oct 2026
- opensecureai.com· checked 2 Oct 2026
- opensecureai.com/contact· checked 2 Oct 2026