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SPECIFICTION
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Guardrails AI vs Prompt Inspector

Guardrails AI

guardrailsai.com

Prompt Inspector

promptinspector.io

Side by side

FigureGuardrails AIPrompt Inspector
Price from—Free
Free plan—Yes
Free trial——
Open source—Yes
WebYesYes
Windows—Yes
macOS—Yes
Linux—Yes
APIYesYes
Self-hostedYesYes
Plans published05
Spec score · LLM Security Tools7.5 (#12)8.5 (#5)
PurposeGuardrails is a Python framework that detects, quantifies, and mitigates AI risks and helps generate structured data from LLMs.Prompt Inspector provides real-time prompt injection detection, sensitive word filtering, and AI safety guardrails through an API call.

Plans

Guardrails AI

No plans published.

Guardrails AI pricing →

Prompt Inspector

  • FreeFree
  • FreeFree
  • EnterprisePriced on request
  • ProPriced on request
  • StarterPriced on request

Prompt Inspector pricing →

In their own words

Guardrails AI

Guardrails AI is an open-source Python framework for detecting and mitigating AI risks and producing structured data from large language models. It describes low-latency, real-time protection against PII leaks, hallucinations, jailbreaks, and custom policy violations. Guardrails Hub offers more than 65 community-built validators for risks that include PII and content moderation; they are available as public PyPI packages without an account or API key. Its Detect PII validator uses Microsoft Presidio and can anonymize text it identifies. The framework says it works with any LLM and can run in a cloud environment or fully on-premises. Named workflows include chatbots, RAG pipelines, and agent workflows. Snowglobe can connect to conversational agents through an API or SDK, simulate varied user and adversarial scenarios, and produce evaluation and fine-tuning datasets. It also supports saved regression suites and error-rate tracking across builds. The maker states that Guardrails is SOC 2 Type II certified and that enterprise customers receive dedicated support and a 99.9% uptime SLA. Official pages opened did not show a price or pricing plan.

Visit guardrailsai.com

Prompt Inspector

Prompt Inspector has no write-up on Specifiction yet; its figures are above.

Visit promptinspector.io