CISO Tribune

Vendor comparison · 2 companies

Promptfoo vs SafeBreach

Promptfoo builds open-source tools for secure, reliable AI applications. SafeBreach sells the SafeBreach Exposure Validation Platform, which combines the SafeBreach Validate breach and attack simulation product with the attack path validation capabilities of SafeBreach Propagate. CISO Tribune files both under Breach simulation and automated pen-testing. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Promptfoo
  • SafeBreach
Promptfoo vs SafeBreach: Products, Customers and Funding Compared
PromptfooPromptfoo builds open-source tools for secure, reliable AI applications.promptfoo.devSafeBreachSafeBreach sells the SafeBreach Exposure Validation Platform, which combines the SafeBreach Validate breach and attack simulation product with the attack path validation capabilities of SafeBreach Propagate.safebreach.com
What it sells
  • Red Teaming[2][4][5]Simulates real users to uncover application-specific vulnerabilities.
  • Evaluations[2][5]LLM evaluation of prompts and models that can run inside CI workflows.
  • SafeBreach Validate[9]A breach and attack simulation product that tests deployed security controls against real-world threats.
  • SafeBreach PropagateAttack path validation capabilities that assess the impact and blast radius of a successful breach.
  • SafeBreach CTEM PlatformA CTEM platform designed to move organizations from reactive security to a closed-loop risk management program.
  • SafeBreach Helm[1]The AI infrastructure layer of the SafeBreach CTEM Platform.
Categories
Headquarters
San Francisco, United States[1][3]Sunnyvale, United States[3]
Founded
2024[1][12]2014[2]
Ownership and funding
Owned by OpenAI[12]Not stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • March 9, 2026OpenAI agreed to buy Promptfoo, a startup helping businesses find and fix security issues in AI models during development.[13]
  • March 9, 2026OpenAI announced it has acquired Promptfoo, an AI security startup founded in 2024 to protect LLMs from adversarial attacks.[12]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 4, 2026[4]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, SafeBreach sells mainly to enterprise security teams that want to test deployed security controls. Its customer examples include a law firm, a healthcare organization, and a drug and device development company. SafeBreach says its CTEM Platform is designed to work with an existing security stack, including vulnerability management, threat intelligence, SOAR, and ticketing tools. SafeBreach says its customers face the challenge of extending security beyond the enterprise network to support a remote workforce.
Last verified
November 4, 2026November 2, 2026

Where they overlap

  • Promptfoo and SafeBreach are both filed under Breach simulation and automated pen-testing.
  • Both are headquartered in the United States.

Where they differ, field by field

  • Promptfoo's primary category is AI model and agent security; SafeBreach's is Breach simulation and automated pen-testing.
  • Promptfoo is also filed under AI firewalls and guardrails and Static application security testing.
  • Promptfoo lists Red Teaming and Evaluations. SafeBreach lists SafeBreach Validate, SafeBreach Propagate, SafeBreach CTEM Platform and SafeBreach Helm.
  • Promptfoo is headquartered in San Francisco, United States. SafeBreach is headquartered in Sunnyvale, United States.
  • Promptfoo was founded in 2024. SafeBreach was founded in 2014.
  • Promptfoo is owned by OpenAI.

What it sells: Promptfoo

What Red Teaming does[2][4][5]
Promptfoo creates thousands of context-aware attacks tailored to the customer's application. The open-source Community version includes up to 10k probes per month at no charge.
What Evaluations does[2][5]
Promptfoo's LLM evaluation can be integrated into a CircleCI pipeline. Promptfoo can be integrated with test frameworks like Jest and Vitest to evaluate prompts as part of existing testing and CI workflows. Promptfoo provides real-time alerts and automated evaluations to show LLM security status across all projects.

What it sells: SafeBreach

What SafeBreach Validate does[9]
SafeBreach Validate is a breach and attack simulation (BAS) product. SafeBreach says its breach and attack simulation tool helps enterprise security teams test the ability of deployed security controls to detect, prevent, and mitigate real-world attacks. SafeBreach says the BAS tool helps validate custom detections and incident response processes at scale.
What SafeBreach Propagate does
SafeBreach Propagate provides attack path validation capabilities. SafeBreach describes a CART tool designed to assess the potential impact and blast radius of a successful breach. SafeBreach says the CART tool helps uncover high-risk paths to critical organizational assets and crown jewels.
What SafeBreach CTEM Platform does
The SafeBreach Continuous Threat Exposure Management (CTEM) Platform is designed to help organizations move from reactive security to a proactive, closed-loop risk management program. The SafeBreach CTEM Platform uses SafeBreach Helm and three AI agents to operationalize the five-phased CTEM framework. SafeBreach says the SafeBreach CTEM Platform includes integrations with vulnerability management platforms, external attack surface management solutions, threat intelligence feeds, SOAR platforms, and ticketing and workflow management tools.
What SafeBreach Helm does[1]
SafeBreach Helm is the AI infrastructure layer of the SafeBreach CTEM Platform. Helm orchestrates three purpose-built AI agents, the Analyst Agent, Validation Agent, and SecOps Agent, through a single natural-language interface to operationalize the full CTEM lifecycle. Helm moves organizations from siloed security activities toward a closed-loop CTEM program that continuously identifies, prioritizes, and remediates cyber risk at scale.

Questions about Promptfoo and SafeBreach

What do Promptfoo and SafeBreach sell?
Promptfoo sells Red Teaming and Evaluations. SafeBreach sells SafeBreach Validate, SafeBreach Propagate, SafeBreach CTEM Platform and SafeBreach Helm.
Are Promptfoo and SafeBreach in the same category?
They share Breach simulation and automated pen-testing. Promptfoo's primary category is AI model and agent security and SafeBreach's is Breach simulation and automated pen-testing.
Where are Promptfoo and SafeBreach headquartered?
Promptfoo is headquartered in San Francisco, United States. SafeBreach is headquartered in Sunnyvale, United States.
When were Promptfoo and SafeBreach founded?
Promptfoo was founded in 2024. SafeBreach was founded in 2014.
Who owns Promptfoo and SafeBreach?
Promptfoo is owned by OpenAI.
Who are Promptfoo and SafeBreach sold to?
From its own pages, SafeBreach sells mainly to enterprise security teams that want to test deployed security controls.
What have Promptfoo and SafeBreach announced recently?
March 9, 2026: OpenAI agreed to buy Promptfoo, a startup helping businesses find and fix security issues in AI models during development.

About Promptfoo

Promptfoo builds open-source tools for secure, reliable AI applications. Promptfoo is based in San Francisco, California, and is now part of OpenAI. Investors and operators backed Promptfoo early, and Promptfoo builds open-source, application-focused AI security.

Promptfoo's red teaming simulates real users to uncover application-specific vulnerabilities. Promptfoo creates thousands of context-aware attacks tailored to the customer's application. Promptfoo says its tests understand business logic, RAG, agents and integrations, and cover 50+ vulnerability types from injection to jailbreaks.[4]

Promptfoo connects to AI apps, agents, and workflows. Promptfoo provides remediation guidance directly in pull requests and developer workflows. Promptfoo lets teams track remediation progress and get suggested steps for each issue.[4][5]

The Community version includes all core features for local testing, evaluation, and vulnerability scanning. The open-source Community version includes up to 10k probes per month at no charge. Enterprise customers can purchase additional probes for larger scale testing. Enterprise pricing is customized based on a team's size and needs.[5]

Promptfoo lets customers manage LLM applications with teams-based access control and SSO, granular permission profiles, and customizable API access. Promptfoo provides real-time alerts and automated evaluations to show LLM security status across all projects. Promptfoo supports customizable plugin collections, scan configurations, and target settings that can be shared among colleagues.[5]

Promptfoo's LLM evaluation can be integrated into a CircleCI pipeline. Promptfoo can be integrated with test frameworks like Jest and Vitest to evaluate prompts as part of existing testing and CI workflows. Promptfoo's application-level jailbreak creation can be integrated with Burp Suite's Intruder feature for security testing of LLM-powered applications. Promptfoo can import eval test cases directly from Microsoft SharePoint CSV files using certificate-based authentication with Azure AD. Promptfoo configurations can reference prompts managed in Langfuse.[6][7][8][9][10]

Promptfoo offers real estate plugins that test every AI touchpoint, from property search to lending to advertising, across all 7 federally protected classes. Promptfoo tests AVM and appraisal AI for demographic correlation in valuations. Promptfoo's real estate testing covers home search assistants, neighborhood recommendation engines, property matching tools, and school district comparison features. Promptfoo's real estate testing can run entirely within a customer's infrastructure, with no applicant or transaction data leaving the environment. Promptfoo integrates with CI/CD pipelines to catch fair housing regressions before deployment. Promptfoo generates structured reports that map directly to Fair Housing Act and ECOA requirements.[11]

Promptfoo says its contributors are from companies like OpenAI, Google, Microsoft, and Amazon.[2][4][5][6][11]

Promptfoo on the record

Sources

Promptfoo full record

  1. [1]PressPromptfoo · promptfoo.dev · undated page, accessed November 4, 2026 · Tier A
  2. [2]promptfoo.devPromptfoo · promptfoo.dev · undated page, accessed November 4, 2026 · Tier A
  3. [3]About Promptfoo | AI Security Experts | PromptfooPromptfoo · undated page, accessed November 10, 2026 · Tier A
  4. [4]Build Secure AI Applications | PromptfooPromptfoo · undated page, accessed November 10, 2026 · Tier A
  5. [5]Pricing | PromptfooPromptfoo · undated page, accessed November 10, 2026 · Tier A
  6. [6]Setting up Promptfoo with CircleCI | PromptfooPromptfoo · undated page, accessed November 10, 2026 · Tier A
  7. [7]Testing prompts with Jest and Vitest | PromptfooPromptfoo · undated page, accessed November 10, 2026 · Tier A
  8. [8]Finding LLM Jailbreaks with Burp Suite | PromptfooPromptfoo · undated page, accessed November 10, 2026 · Tier A
  9. [9]SharePoint Integration | PromptfooPromptfoo · undated page, accessed November 10, 2026 · Tier A
  10. [10]Langfuse integration | PromptfooPromptfoo · undated page, accessed November 10, 2026 · Tier A
  11. [11]AI Security for Real Estate | PromptfooPromptfoo · undated page, accessed November 10, 2026 · Tier A
  12. [12]OpenAI acquires Promptfoo to secure its AI agents | TechCrunchTechCrunch · published March 9, 2026 · Tier B
  13. [13]OpenAI Buying AI Security Startup Promptfoo to Safeguard AI Agents - BloombergBloomberg · published March 9, 2026 · Tier B

SafeBreach full record

  1. [1]safebreach.comSafeBreach · safebreach.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Safebreach closes 53 5 million series d new funding to fuel momentumSafeBreach · safebreach.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Contact usSafeBreach · safebreach.com · undated page, accessed September 27, 2026 · Tier A
  4. [4]SafeBreach Reviews 2026: Details, Pricing, & Features - G2G2 · undated page, accessed October 28, 2026 · Tier C
  5. [5]SafeBreach | Exposure Validation PlatformSafeBreach · undated page, accessed November 4, 2026 · Tier A
  6. [6]SafeBreach Validate | Breach & Attack SimulationSafeBreach · undated page, accessed November 4, 2026 · Tier A
  7. [7]Exposure Validation with Enterprise Chops | SafeBreachSafeBreach · undated page, accessed November 4, 2026 · Tier A
  8. [8]The AI-Powered CTEM Solution | SafeBreachSafeBreach · undated page, accessed November 4, 2026 · Tier A
  9. [9]Security Control Validation | SafeBreachSafeBreach · undated page, accessed November 4, 2026 · Tier A
  10. [10]Use MITRE ATT&CKTM for Stronger Security - SafeBreachSafeBreach · undated page, accessed November 4, 2026 · Tier A
  11. [11]Remote Workforce Security Validation Service by SafeBreach (Prospect) - SafeBreachSafeBreach · undated page, accessed November 4, 2026 · Tier A
  12. [12]HiBob Vulnerability - Exposing Customer Data | SafeBreachSafeBreach · undated page, accessed November 4, 2026 · Tier A

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