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Head-to-head · AI Security Testing Tools

Promptfoo vs RedForge

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Promptfoo #5 in AI Security Testing Tools 8.7/10 Free plan Free plan✓ 0 of 5 features Visit Promptfoo
RedForge #6 in AI Security Testing Tools 8.6/10 Open source ✓ 5 of 5 features Visit RedForge

Promptfoo 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 scorePromptfoo · 8.7/10
  • Free planonly Promptfoo
  • Most featuresRedForge · 5 of 5

Promptfoo scores higher on our rubric for ai security testing tools: 8.7 against 8.6 out of 10; our editors rank them #5 and #6.

Promptfoo is the better fit for developers building evaluation into CI/CD. RedForge is the better fit for compliance-focused security engineers.

  • Promptfoo fits best

    Developers building evaluation into CI/CD

  • RedForge fits best

    Compliance-focused security engineers

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Side by side

Feature Promptfoo 8.7/10 Visit ↗ RedForge 8.6/10 Visit ↗
At a glance
Editor score 8.7 8.6
Ranking #5 in AI Security Testing Tools #6 in AI Security Testing Tools
Best for Developers building evaluation into CI/CD Compliance-focused security engineers
Pricing model Free plan + paid Free
Starting price — Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Self-hosted Self-hosted
Support Community, Docs Docs
Integrations 12 integrations 10+ integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Promptfoo 0/5 · RedForge 5/5
Prompt injection tests Not checked yet ✓ (best)
Jailbreak tests Not checked yet ✓ (best)
Data leakage tests Not checked yet ✓ (best)
Unsafe output tests Not checked yet ✓ (best)
Custom test cases Not checked yet ✓ (best)
Specs
Deployment mode Not checked yet Self_hosted
Our review
Pros
  • Open-source Community plan includes all LLM evaluation features
  • Automated red teaming, vulnerability scanning, and CI/CD quality gates
  • Supports web, API, and self-hosted deployments with broad integrations
  • 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
  • Enterprise and On-Premise pricing is custom
  • Advanced collaboration and monitoring require a paid tier
  • The product is focused on AI application testing rather than general security
  • 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

Promptfoo is an open-source CLI and library for evaluating, testing, and red-teaming large-language-model applications. It is aimed at developers and teams building AI applications who need to benchmark prompts, models, and RAG pipelines,…

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. PromptfooAI Security Testing Tools 8.7Free plan
  2. RedForgeAI Security Testing Tools 8.6Open source

Strengths and trade-offs

  • Promptfoo — where it wins

    • Open-source Community plan includes all LLM evaluation features
    • Automated red teaming, vulnerability scanning, and CI/CD quality gates
    • Supports web, API, and self-hosted deployments with broad integrations

    Where it doesn't

    • Enterprise and On-Premise pricing is custom
    • Advanced collaboration and monitoring require a paid tier
    • The product is focused on AI application testing rather than general security

  • 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