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Head-to-head · AI Red Teaming Tools

Promptfoo vs DeepTeam

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Promptfoo #2 in AI Red Teaming Tools 9.3/10 Free plan Free plan✓ 0 of 2 features Visit Promptfoo
DeepTeam #6 in AI Red Teaming Tools 8.8/10 Open source ✓ 0 of 2 features Visit DeepTeam

Promptfoo leads on 0 checks, DeepTeam on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePromptfoo · 9.3/10
  • Free planonly Promptfoo

Promptfoo scores higher on our rubric for ai red teaming tools: 9.3 against 8.8 out of 10; our editors rank them #2 and #6.

Promptfoo is the better fit for broad open-source AI evaluation and red teaming. DeepTeam is the better fit for framework-mapped open-source red-team workflows.

  • Promptfoo fits best

    Broad open-source AI evaluation and red teaming

  • DeepTeam fits best

    Framework-mapped open-source red-team workflows

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Side by side

Feature Promptfoo 9.3/10 Visit ↗ DeepTeam 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #2 in AI Red Teaming Tools #6 in AI Red Teaming Tools
Best for Broad open-source AI evaluation and red teaming Framework-mapped open-source red-team workflows
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 Community, Docs
Integrations 12 integrations 15 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Promptfoo 0/2 · DeepTeam 0/2
Custom tests Not checked yet Not checked yet
Continuous monitoring Not checked yet Not checked yet
Specs
Attack categories Not checked yet Not checked yet
Target systems Not checked yet Not checked yet
Automation level Not checked yet Not checked yet
Deployment Not checked yet Not checked yet
Report exports Not checked yet Not checked yet
Our review
Pros
  • 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
  • Covers injection, jailbreaks, leakage, toxicity, and unsafe outputs
  • Maps assessments to OWASP, NIST, and MITRE ATLAS
  • Supports CLI, Python, major AI providers, and CI pipelines
Cons
  • 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
  • Self-hosted deployment puts environment setup on your team
  • CLI and Python workflows may suit technical teams better
  • Focused on adversarial and safety testing rather than general monitoring
Our verdict

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 →

DeepTeam is an open-source Python framework for red-teaming LLM applications, AI agents, RAG pipelines, and chatbots. It is designed for teams that need to simulate adversarial behavior and assess safety vulnerabilities in their own model…

Read the review →
  1. PromptfooAI Red Teaming Tools 9.3Free plan
  2. DeepTeamAI Red Teaming Tools 8.8Open source

Strengths and trade-offs

  • 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

  • DeepTeam — where it wins

    • Covers injection, jailbreaks, leakage, toxicity, and unsafe outputs
    • Maps assessments to OWASP, NIST, and MITRE ATLAS
    • Supports CLI, Python, major AI providers, and CI pipelines

    Where it doesn't

    • Self-hosted deployment puts environment setup on your team
    • CLI and Python workflows may suit technical teams better
    • Focused on adversarial and safety testing rather than general monitoring

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