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Head-to-head · AI Security Testing Tools

RedForge vs Crucible

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score RedForge #6 in AI Security Testing Tools 8.6/10 Open source ✓ 5 of 5 features Visit RedForge
Crucible #8 in AI Security Testing Tools 8.4/10 Free plan Free plan✓ 4 of 5 features Visit Crucible

RedForge leads on 0 checks, Crucible 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 scoreRedForge · 8.6/10
  • Free planonly Crucible
  • Most featuresRedForge · 5 of 5

RedForge scores higher on our rubric for ai security testing tools: 8.6 against 8.4 out of 10; our editors rank them #6 and #8.

RedForge is the better fit for compliance-focused security engineers. Crucible is the better fit for agent teams testing complex attack lifecycles.

  • RedForge fits best

    Compliance-focused security engineers

  • Crucible fits best

    Agent teams testing complex attack lifecycles

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Side by side

Feature RedForge 8.6/10 Visit ↗ Crucible 8.4/10 Visit ↗
At a glance
Editor score 8.6 8.4
Ranking #6 in AI Security Testing Tools #8 in AI Security Testing Tools
Best for Compliance-focused security engineers Agent teams testing complex attack lifecycles
Pricing model Free Free plan + paid
Starting price Open source —
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Self-hosted Self-hosted
Support Docs Community, Docs
Integrations 10+ integrations 6 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features RedForge 5/5 · Crucible 4/5
Prompt injection tests ✓ ✓
Jailbreak tests ✓ ✓
Data leakage tests ✓ (best) Not checked yet
Unsafe output tests ✓ ✓
Custom test cases ✓ ✓
Specs
Deployment mode Self_hosted Self_hosted
Our review
Pros
  • 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
  • 153 attack vectors across 11 modules in the Community plan
  • Covers prompt injection, jailbreaks, MCP abuse, and poisoning attacks
  • JSON and HTML reports with severity findings and OWASP mappings
Cons
  • 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
  • Team features are listed as Early Access
  • Hosted dashboards are upcoming or early-access functionality
  • Enterprise pricing is custom rather than publicly stated
Our verdict

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 →

Crucible is an open-source Python CLI for testing AI agents before production. It runs adversarial payloads against HTTP or MCP-accessible agents, covering prompt injection, jailbreaks, unsafe content, tool misuse, memory poisoning, MCP…

Read the review →
  1. RedForgeAI Security Testing Tools 8.6Open source
  2. CrucibleAI Security Testing Tools 8.4Free plan

Strengths and trade-offs

  • 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

  • Crucible — where it wins

    • 153 attack vectors across 11 modules in the Community plan
    • Covers prompt injection, jailbreaks, MCP abuse, and poisoning attacks
    • JSON and HTML reports with severity findings and OWASP mappings

    Where it doesn't

    • Team features are listed as Early Access
    • Hosted dashboards are upcoming or early-access functionality
    • Enterprise pricing is custom rather than publicly stated

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