Side by side
PromptGuard vs RedForge
Both stand on ai security testing tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIExtensionLinux+4
PromptGuard combines LLM request screening with deployment choices from managed cloud to air-gapped operation. Check scan limits, data residency, retention, and stated coverage gaps before choosing a plan.
Visit PromptGuard Free plan APILinuxSelf-hosted
Choose RedForge if you need a self-hosted, open-source LLM security scanner with broad provider support, compliance reporting, and CI-oriented SARIF output. Its CLI is restricted to authorized or research use, and REST API clients are limited to 10 scan requests per minute.
Visit RedForgeThe facts
| PromptGuard | RedForge | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Extension, Linux, Mac, Self-hosted, Web, Windows | API, Linux, Self-hosted |
| Lowest paid plan | Team: $19 per seat a month | Free or on request |
| Plans published | 6 | 1 |
| Maker | Not published | Not published |
| Website | promptguard.co | github.com |
| On ai security testing tools | #15 of 29 | #19 of 29 |
PromptGuard: what it does well
- 15 detectors cover threats across six layers.
- Detects and redacts 43 PII types.
- SDK instrumentation can leave provider code unchanged.
- Offers managed, hybrid, and air-gapped deployment.
- Free tier includes 20,000 scans monthly.
What to know first
- Free tier has one API key and one project.
- Free logs are retained for 24 hours.
- No hosted EU region is currently offered.
- SOC 2 Type II certification is not yet achieved.
RedForge: what it does well
- Lists 49+ probes and full OWASP LLM Top 10 coverage.
- Adds YAML probes without requiring Python.
- Supports local Ollama use without an API key.
- Produces SARIF and can gate CI on critical or high findings.
- Includes compliance reporting and custom YAML frameworks.
What to know first
- The CLI requires an authorization value for owned, authorized, or research use.
- The documented REST API rate limit is 10 scan requests per minute per client.
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