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Head-to-head · AI Red Teaming Tools

AgentSeal vs Promptfoo

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score AgentSeal #1 in AI Red Teaming Tools 9.4/10 Free plan Free plan✓ 1 of 2 features Visit AgentSeal
Promptfoo #2 in AI Red Teaming Tools 9.3/10 Free plan Free plan✓ 0 of 2 features Visit Promptfoo

AgentSeal leads on 0 checks, Promptfoo on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAgentSeal · 9.4/10
  • Free planboth
  • Most featuresAgentSeal · 1 of 2

AgentSeal scores higher on our rubric for ai red teaming tools: 9.4 against 9.3 out of 10; our editors rank them #1 and #2.

AgentSeal is the better fit for continuous agent and MCP security testing. Promptfoo is the better fit for broad open-source AI evaluation and red teaming.

  • AgentSeal fits best

    Continuous agent and MCP security testing

  • Promptfoo fits best

    Broad open-source AI evaluation and red teaming

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 AgentSeal 9.4/10 Visit ↗ Promptfoo 9.3/10 Visit ↗
At a glance
Editor score 9.4 9.3
Ranking #1 in AI Red Teaming Tools #2 in AI Red Teaming Tools
Best for Continuous agent and MCP security testing Broad open-source AI evaluation and red teaming
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Support Email, Community, Docs Community, Docs
Integrations 12 integrations 12 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features AgentSeal 1/2 · Promptfoo 0/2
Custom tests Not checked yet Not checked yet
Continuous monitoring ✓ (best) Not checked yet
Specs
Attack categories prompt extraction; instruction injection; data exfiltration; MCP tool poisoning; RAG poisoning; multimodal attacks; behavioral genome testing Not checked yet
Target systems system prompts; AI agents; HTTP endpoints; MCP servers; RAG pipelines; multimodal AI systems Not checked yet
Automation level Continuous Not checked yet
Deployment Hybrid Not checked yet
Report exports JSON; SARIF 2.1.0; JUnit XML; PDF; GitHub Actions step summary Not checked yet
Our review
Pros
  • Broad probes cover prompts, agents, MCP, RAG, and multimodal systems
  • Continuous monitoring with CI/CD outputs in JSON, SARIF, and JUnit
  • Free plan includes audits, monitoring, SDKs, and a trust score breakdown
  • Combines automated red teaming with vulnerability scanning and safety evaluations
  • Supports custom metrics, LLM judging, human review, and CI/CD quality gates
  • Offers broad provider, CI/CD, API, web, and self-hosted integrations
Cons
  • Full vulnerability assessment and remediation require the Pro plan
  • The Free plan includes community support rather than expanded support options
  • Some advanced reporting and historical tracking are limited to Pro
  • Community red teaming includes up to 10,000 probes per month
  • Team sharing and continuous monitoring require the Enterprise plan
  • Enterprise and On-Premise pricing is custom
Our verdict

AgentSeal is an open-source security toolkit for developers, security teams, and organizations building or operating AI agents. It tests system prompts, AI agents, HTTP endpoints, MCP servers, RAG pipelines, and multimodal AI systems…

Read the review →

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

Read the review →
  1. AgentSealAI Red Teaming Tools 9.4Free plan
  2. PromptfooAI Red Teaming Tools 9.3Free plan

Strengths and trade-offs

  • AgentSeal — where it wins

    • Broad probes cover prompts, agents, MCP, RAG, and multimodal systems
    • Continuous monitoring with CI/CD outputs in JSON, SARIF, and JUnit
    • Free plan includes audits, monitoring, SDKs, and a trust score breakdown

    Where it doesn't

    • Full vulnerability assessment and remediation require the Pro plan
    • The Free plan includes community support rather than expanded support options
    • Some advanced reporting and historical tracking are limited to Pro

  • Promptfoo — where it wins

    • Combines automated red teaming with vulnerability scanning and safety evaluations
    • Supports custom metrics, LLM judging, human review, and CI/CD quality gates
    • Offers broad provider, CI/CD, API, web, and self-hosted integrations

    Where it doesn't

    • Community red teaming includes up to 10,000 probes per month
    • Team sharing and continuous monitoring require the Enterprise plan
    • Enterprise and On-Premise pricing is custom

More comparisons

All AI red teaming tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update