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Head-to-head · AI Security Testing Tools

PromptGuard vs RedForge

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score PromptGuard #1 in AI Security Testing Tools 9.3/10 Free plan Free plan✓ 5 of 5 features Visit PromptGuard
RedForge #6 in AI Security Testing Tools 8.6/10 Open source ✓ 5 of 5 features Visit RedForge

PromptGuard leads on 0 checks, RedForge on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePromptGuard · 9.3/10
  • Free planonly PromptGuard

PromptGuard scores higher on our rubric for ai security testing tools: 9.3 against 8.6 out of 10; our editors rank them #1 and #6.

On deployment mode, PromptGuard gives you Both where RedForge offers Self_hosted.

PromptGuard is the better fit for teams wanting broad, affordable red teaming. RedForge is the better fit for compliance-focused security engineers.

  • PromptGuard fits best

    Teams wanting broad, affordable red teaming

  • RedForge fits best

    Compliance-focused security engineers

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature PromptGuard 9.3/10 Visit ↗ RedForge 8.6/10 Visit ↗
At a glance
Editor score 9.3 8.6
Ranking #1 in AI Security Testing Tools #6 in AI Security Testing Tools
Best for Teams wanting broad, affordable red teaming Compliance-focused security engineers
Pricing model Free plan + paid Free
Starting price $19/seat/mo Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Self-hosted, Desktop, Browser extension Self-hosted
Support Email, Community, Docs Docs
Integrations 12 integrations 10+ integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features PromptGuard 5/5 · RedForge 5/5
Prompt injection tests ✓ ✓
Jailbreak tests ✓ ✓
Data leakage tests ✓ ✓
Unsafe output tests ✓ ✓
Custom test cases ✓ ✓
Specs
Deployment mode Both Self_hosted
Our review
Pros
  • 20+ attack vectors plus custom and fuzzed adversarial variants
  • CI/CD regression testing, security grades, and vulnerability reports
  • Web, desktop, browser extension, API, and self-hosted deployment
  • 49+ OWASP LLM Top 10 probes with prompt-injection and jailbreak testing
  • 37-strategy mutation engine plus bidirectional input and output scanning
  • SARIF, JSON, and framework-mapped reports for audit workflows
Cons
  • Free plan limits usage to 20,000 scans per month and one API key
  • Advanced capabilities are concentrated in paid and higher-tier plans
  • Premium offers no listed feature highlights
  • Self-hosted deployment places setup and maintenance responsibility on the team
  • The broad feature set may exceed the needs of teams seeking a narrow scanner
  • Extending coverage requires custom YAML probes or Python plugin work
Our verdict

PromptGuard is an AI security platform for teams testing and protecting applications that use large language models. It sits between applications and LLM providers to detect prompt injection, jailbreak attempts, PII exposure, data…

Read the review →

RedForge is an open-source security testing platform for large language model applications. It is designed for security engineers who need to scan authorized models and endpoints for prompt injection, jailbreaks, insecure output handling,…

Read the review →
  1. PromptGuardAI Security Testing Tools 9.3Free plan
  2. RedForgeAI Security Testing Tools 8.6Open source

Strengths and trade-offs

  • PromptGuard — where it wins

    • 20+ attack vectors plus custom and fuzzed adversarial variants
    • CI/CD regression testing, security grades, and vulnerability reports
    • Web, desktop, browser extension, API, and self-hosted deployment

    Where it doesn't

    • Free plan limits usage to 20,000 scans per month and one API key
    • Advanced capabilities are concentrated in paid and higher-tier plans
    • Premium offers no listed feature highlights

  • RedForge — where it wins

    • 49+ OWASP LLM Top 10 probes with prompt-injection and jailbreak testing
    • 37-strategy mutation engine plus bidirectional input and output scanning
    • SARIF, JSON, and framework-mapped reports for audit workflows

    Where it doesn't

    • Self-hosted deployment places setup and maintenance responsibility on the team
    • The broad feature set may exceed the needs of teams seeking a narrow scanner
    • Extending coverage requires custom YAML probes or Python plugin work

More comparisons

All AI security testing tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update