Best AI Red Teaming Tools in 2026
Updated
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.
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 AgentSealFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 2 F5 BIG-IP APM
- Free to practise on: not on record
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 3 OpenSecureAI ScannerPaid from $49/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 4 PromptfooFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 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
- 6 RedAmonFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 7 RogueFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 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
- 9 GiskardFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 10 ProofLayerFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 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
- 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
- 13 VirtueRed
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 22 garak
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 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
- 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
- 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
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Attack categories | Target systems |
|---|---|---|---|---|---|---|---|---|
| 1 | AgentSeal | 7.3 | Free plan | Free | Yes | — | prompt extraction; instruction injection; data exfiltration; MCP tool poisoning; RAG poisoning; multimodal attacks; behavioral genome testing | system prompts; AI agents; HTTP endpoints; MCP servers; RAG pipelines; multimodal AI systems |
| 2 | F5 BIG-IP APM | 7.3 | No | — | — | — | — | — |
| 3 | OpenSecureAI Scanner | 7.2 | Free plan | $49/mo | Yes | 49 /mo | — | — |
| 4 | Promptfoo | 7.2 | Free plan | Free | Yes | — | — | — |
| 5 | NVADER | 7.1 | Free plan | $49/mo | Yes | 49 /mo | prompt injection, jailbreaks, data extraction, MCP server threats, repository and code vulnerabilities, AI skill and agent vulnerabilities, hallucinated dependencies | AI apps, chatbots, agents, assistants, codebases, MCP servers, AI skills, agent tools |
| 6 | RedAmon | 7.1 | Free plan | Free | Yes | — | — | — |
| 7 | Rogue | 7.1 | Free plan | Free | Yes | — | Encoding; Social Engineering; Injection; Semantic; Technical | A2A agents; MCP agents; Python agents |
| 8 | Darkhunt AI Security | 7.0 | Free plan | Free | Yes | — | decision integrity; prompt injection and manipulation; data exfiltration; secret exposure; jailbreak; HIPAA violation; prompt leakage | LLMs; 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 |
| 9 | Giskard | 7.0 | Free plan | Free | Yes | — | — | — |
| 10 | ProofLayer | 7.0 | Free plan | Free | Yes | — | prompt injection; jailbreaks; data exfiltration; tool abuse; RAG poisoning; memory injection | LLM APIs; multi-agent orchestrators; MCP servers; ReAct/LangChain agents; RAG pipelines; AgentDojo and custom targets |
| 11 | RedFang | 6.9 | Free plan | $19/mo | Yes | — | direct prompt injection; tool misuse; sensitive data leakage; output-as-attack-vector; agent overreach; denial-of-wallet; system-prompt extraction | AI agents; GitHub repositories; application URLs; customer-service chatbots; coding agents; LLM workflows |
| 12 | Confident AI | 6.7 | Free plan | $200/mo | Yes | 200 /mo | — | — |
| 13 | VirtueRed | 6.4 | No | — | — | — | use-case risks; regulatory compliance risks; multimodal jailbreaks; code-generation risks; privacy and security attacks; hallucination; bias; over-cautiousness | AI models; foundation models; chatbots; AI applications |
| 14 | Advent Prompt Pwn | 6.1 | No | — | — | — | direct prompt injection; instruction override; delimiter; encoding; role confusion; indirect document; indirect fixture; multi-turn; mutation; RAG poisoning; synthetic tool use | language models; AI applications; OpenAI; Azure OpenAI; Anthropic; Gemini; OpenAI-compatible APIs; Ollama; HTTP JSON applications; Python callbacks; in-memory applications |
| 15 | Check Point AI Guardrails | 5.9 | No | — | — | — | 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 weaknesses | foundation models; custom model deployments; LLMs; live AI applications; AI agents; RAG applications; RAG pipelines; AI-integrated systems; agent endpoints |
| 16 | Prompt Fuzzer | 5.9 | No | — | — | — | Jailbreak; prompt injection; RAG and vector database attacks; system prompt extraction | Generative AI applications; LLM-based applications; RAG systems; vector-database-backed AI systems |
| 17 | HouYi | 5.7 | No | — | — | — | prompt injection | LLM-integrated applications |
| 18 | PromptRedTeam | 5.7 | No | — | — | — | Direct injection; role manipulation; zero-width injection; delimiter injection; encoded payloads | Large language models (LLMs) |
| 19 | KonaRed | 5.6 | No | — | — | — | Prompt Injection; Data Theft; Tool and Supply Chain; Agent Exploitation; Identity and Impersonation; RAG and Data Poisoning; Content Safety; Financial Risk | API endpoints; manual chat flows; uploaded prompt-response pairs; models; agents; AI workflows |
| 20 | RedHub Prompt Injection Red Team Kit | 5.6 | No | — | No | — | direct prompt injection, indirect prompt injection, sensitive disclosure, improper output handling, excessive agency, system-prompt leakage | LLM applications, AI agents |
| 21 | RedLens AI | 5.6 | No | — | No | 799 /mo | Adversarial Prompt Engineering; Context Window Exploitation; Safety Filter Evasion; Agent and Tool Abuse; Data Exfiltration and Inversion; AI Containment Escape | AI agents; AI models; patient chatbots; diagnostic AI; internal copilots; customer-facing AI; AI vendor systems |
| 22 | garak | 5.5 | No | — | Yes | — | — | — |
| 23 | Mindgard | 5.5 | No | — | — | — | — | — |
| 24 | RedShield AI | 5.5 | No | — | No | 250 /mo | Prompt injection; data exfiltration; agentic abuse; RAG attacks; multi-turn manipulation; output integrity | AI-powered chatbots; conversational systems; agents; RAG pipelines; internal or pre-production AI systems |
| 25 | Aevrin AI Red Teaming | 5.4 | No | — | — | — | prompt injection; jailbreaks; sensitive data leakage; policy failures; harmful outputs | chatbots |
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.









