PromptGuard is a firewall designed specifically for AI applications, addressing security risks such as prompt injection, data leaks, and multi-turn attacks. The platform inspects both prompts and responses, intervening before a model provides an answer. Its detection process operates with a reported latency of approximately 150 milliseconds, aiming to block threats in real time.
The tool implements 14 detectors across six detection layers, which include normalization, regex, machine learning ensemble methods, content safety checks, multi-turn drift analysis, and policy enforcement. 1% precision with near-zero false blocks. The system benchmarks against adversarial samples and covers all items in the OWASP LLM Top 10 list of vulnerabilities.
PromptGuard is model-agnostic and integrates with a variety of AI providers and frameworks, including OpenAI, Anthropic, Gemini, Mistral, Meta Llama, AzureAI, Cohere, and Ollama. The platform is delivered as a guard API, which can be deployed in production environments in a short setup time. Users can start with a free tier that allows up to 10,000 requests per month without requiring a credit card.
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PromptGuard is a Security & compliance platforms product. It focuses on protecting AI applications from prompt injection, data leaks, and adversarial attacks in production environments. It is built as a B2B product for AI application developers. There is a free tier. The product ships for the command line, Windows, macOS, Linux, and API.
PromptGuard first shipped in 2024. Key capabilities include prompt inspection, PII redaction, and multi-layer detection. It exposes integrations via a public API.
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