Best AI Red Teaming Tools in 2026

In short: AgentSeal is ranked #1 of 27 as of 3 October 2026, ahead of F5 BIG-IP APM and OpenSecureAI Scanner. The best-ranked option with a free plan is OpenSecureAI Scanner. The lowest first paid tier on this page is RedFang at $19/mo.

To examine how an AI system may respond to attacks, red teaming tools offer ways to test targets and probe categories of risk. Compared on target systems, attack categories, and automation level, they also vary in support for custom tests, deployment, and continuous monitoring. Report exports can affect how findings are reviewed, while free plans and paid-from pricing help frame cost. AgentSeal, F5 BIG-IP APM, and OpenSecureAI Scanner are among the options to compare. Think about the systems you need to assess and whether your workflow calls for one-off testing or ongoing monitoring.

27 AI red teaming tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

27ranked
11free plans on this page
$19/molowest paid tier
3 Oct 2026last checked

AI Red Teaming Tools, ranked on how quickly a newcomer can get going. 12 of the 25 on this page can be tried for free.

  1. 1 AgentSealFree plan
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: yes
    7.3easy start
  2. 2 F5 BIG-IP APM
    • Free to practise on: not on record
    • Free trial: yes
    • Well documented: yes
    • Runs where you work: yes
    7.3easy start
  3. 3 OpenSecureAI ScannerPaid from $49/mo
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: yes
    7.2easy start
  4. 4 PromptfooFree plan
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: yes
    7.2easy start
  5. 5 NVADERPaid from $49/mo
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    7.1easy start
  6. 6 RedAmonFree plan
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: yes
    7.1easy start
  7. 7 RogueFree plan
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    7.1easy start
  8. 8 Darkhunt AI SecurityFree plan
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    7.0easy start
  9. 9 GiskardFree plan
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    7.0easy start
  10. 10 ProofLayerFree plan
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    7.0easy start
  11. 11 RedFangPaid from $19/mo
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.9easy start
  12. 12 Confident AIPaid from $200/mo
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.7easy start
  13. 13 VirtueRed
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.4easy start
  14. 14 Advent Prompt Pwn
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: yes
    6.1easy start
  15. 15 Check Point AI Guardrails
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    5.9easy start
  16. 16 Prompt Fuzzer
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: yes
    5.9easy start
  17. 17 HouYi
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.7easy start
  18. 18 PromptRedTeam
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.7easy start
  19. 19 KonaRed
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.6easy start
  20. 20 RedHub Prompt Injection Red Team Kit
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    5.6easy start
  21. 21 RedLens AI
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.6easy start
  22. 22 garak
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: yes
    5.5easy start
  23. 23 Mindgard
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.5easy start
  24. 24 RedShield AI
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.5easy start
  25. 25 Aevrin AI Red Teaming
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.4easy start
Compare all 25 in a table
#PlatformScoreFree planFromFree planPaid fromAttack categoriesTarget systems
1AgentSeal7.3Free planFreeYes—prompt extraction; instruction injection; data exfiltration; MCP tool poisoning; RAG poisoning; multimodal attacks; behavioral genome testingsystem prompts; AI agents; HTTP endpoints; MCP servers; RAG pipelines; multimodal AI systems
2F5 BIG-IP APM7.3No—————
3OpenSecureAI Scanner7.2Free plan$49/moYes49 /mo——
4Promptfoo7.2Free planFreeYes———
5NVADER7.1Free plan$49/moYes49 /moprompt injection, jailbreaks, data extraction, MCP server threats, repository and code vulnerabilities, AI skill and agent vulnerabilities, hallucinated dependenciesAI apps, chatbots, agents, assistants, codebases, MCP servers, AI skills, agent tools
6RedAmon7.1Free planFreeYes———
7Rogue7.1Free planFreeYes—Encoding; Social Engineering; Injection; Semantic; TechnicalA2A agents; MCP agents; Python agents
8Darkhunt AI Security7.0Free planFreeYes—decision integrity; prompt injection and manipulation; data exfiltration; secret exposure; jailbreak; HIPAA violation; prompt leakageLLMs; LLM-powered applications; chatbots; AI agents; RAG applications; coding assistants and copilots; API-connected custom applications; OpenAI; Anthropic; Azure; AWS Bedrock; Gemini; self-hosted systems
9Giskard7.0Free planFreeYes———
10ProofLayer7.0Free planFreeYes—prompt injection; jailbreaks; data exfiltration; tool abuse; RAG poisoning; memory injectionLLM APIs; multi-agent orchestrators; MCP servers; ReAct/LangChain agents; RAG pipelines; AgentDojo and custom targets
11RedFang6.9Free plan$19/moYes—direct prompt injection; tool misuse; sensitive data leakage; output-as-attack-vector; agent overreach; denial-of-wallet; system-prompt extractionAI agents; GitHub repositories; application URLs; customer-service chatbots; coding agents; LLM workflows
12Confident AI6.7Free plan$200/moYes200 /mo——
13VirtueRed6.4No———use-case risks; regulatory compliance risks; multimodal jailbreaks; code-generation risks; privacy and security attacks; hallucination; bias; over-cautiousnessAI models; foundation models; chatbots; AI applications
14Advent Prompt Pwn6.1No———direct prompt injection; instruction override; delimiter; encoding; role confusion; indirect document; indirect fixture; multi-turn; mutation; RAG poisoning; synthetic tool uselanguage models; AI applications; OpenAI; Azure OpenAI; Anthropic; Gemini; OpenAI-compatible APIs; Ollama; HTTP JSON applications; Python callbacks; in-memory applications
15Check Point AI Guardrails5.9No———prompt injection; jailbreaks; data exposure; data exfiltration; harmful or policy-violating outputs; unsafe tool or function calling; agent workflow abuse; unauthorized actions; business-logic flaws; MCP tool exploitation; output integrity issues; model security weaknessesfoundation models; custom model deployments; LLMs; live AI applications; AI agents; RAG applications; RAG pipelines; AI-integrated systems; agent endpoints
16Prompt Fuzzer5.9No———Jailbreak; prompt injection; RAG and vector database attacks; system prompt extractionGenerative AI applications; LLM-based applications; RAG systems; vector-database-backed AI systems
17HouYi5.7No———prompt injectionLLM-integrated applications
18PromptRedTeam5.7No———Direct injection; role manipulation; zero-width injection; delimiter injection; encoded payloadsLarge language models (LLMs)
19KonaRed5.6No———Prompt Injection; Data Theft; Tool and Supply Chain; Agent Exploitation; Identity and Impersonation; RAG and Data Poisoning; Content Safety; Financial RiskAPI endpoints; manual chat flows; uploaded prompt-response pairs; models; agents; AI workflows
20RedHub Prompt Injection Red Team Kit5.6No—No—direct prompt injection, indirect prompt injection, sensitive disclosure, improper output handling, excessive agency, system-prompt leakageLLM applications, AI agents
21RedLens AI5.6No—No799 /moAdversarial Prompt Engineering; Context Window Exploitation; Safety Filter Evasion; Agent and Tool Abuse; Data Exfiltration and Inversion; AI Containment EscapeAI agents; AI models; patient chatbots; diagnostic AI; internal copilots; customer-facing AI; AI vendor systems
22garak5.5No—Yes———
23Mindgard5.5No—————
24RedShield AI5.5No—No250 /moPrompt injection; data exfiltration; agentic abuse; RAG attacks; multi-turn manipulation; output integrityAI-powered chatbots; conversational systems; agents; RAG pipelines; internal or pre-production AI systems
25Aevrin AI Red Teaming5.4No———prompt injection; jailbreaks; sensitive data leakage; policy failures; harmful outputschatbots

Is your platform on this list?

Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.

Questions about this list

Which AI red teaming tool is ranked first on The Geeks Club?

AgentSeal is ranked #1 of 27 with a score of 7.3. F5 BIG-IP APM is second and OpenSecureAI Scanner third.

How many of these have a free plan?

11 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, RedFang has the lowest first paid tier we found: $19/mo.

How is this list ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.

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