CISO Tribune

Vendor comparison · 2 companies

Promptfoo vs Snyk

Promptfoo builds open-source tools for secure, reliable AI applications. Snyk sells the AI Security Platform, which secures the code AI writes, the agents it runs, and the applications it builds. CISO Tribune files both under Static application security 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
  • Snyk
Promptfoo vs Snyk: Products, Customers and Funding Compared
PromptfooPromptfoo builds open-source tools for secure, reliable AI applications.promptfoo.devSnykSnyk sells the AI Security Platform, which secures the code AI writes, the agents it runs, and the applications it builds.snyk.io
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.
  • Snyk Code[12][14][19]Snyk Code provides SAST scanning.
  • Snyk Container[12][13]Container and Kubernetes security solutions for developers and DevOps.
  • Snyk Agent Fix[14]Snyk Agent Fix is an AI-driven tool that automatically fixes code vulnerabilities.
  • Snyk Studio[19]Snyk Studio is a solution for securing the AI-driven development lifecycle.
  • DeepCode AI[20]DeepCode AI powers the Snyk AI Security Platform.
  • Agentic AppSec[12][25]Security agents that find, fix, and verify vulnerabilities continuously.
  • AI-SPM[1][12][18][24]AI Security Posture Management for the AI assets in code.
Categories
Headquarters
San Francisco, United States[1][3]Boston, United States[2]
Founded
2024[1][12]2015[2][17]
Ownership and funding
Owned by OpenAI[12]Not stated on its pagesSeries G (USD 196.5 million round), December 13, 2022[3]
Named customers
Not 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]
  • October 15, 2026Snyk announced Evo Agentic AppSec, a team of AI security agents that finds, fixes and blocks vulnerabilities in code.[25]
  • September 17, 2026Snyk said Evo by Snyk now accounts for 60% of its new deal volume and drove a 30% increase in average contract value.[26]
  • September 17, 2026Snyk said its Evo product line accounts for 60% of its new deal volume and has lifted average contract value by 30%.[9]
  • August 4, 2026Snyk made Evo Continuous Offensive Security generally available, offering automated AI pentesting and agent red teaming that runs continuously against applications.[10]
  • June 23, 2026Snyk released Evo Agentic Development Security, which governs the tools AI coding agents use, what they do, and the code they generate.[11]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetSnyk speaks to organizations building with AI, and to security teams that lack an inventory of the models, workflows, or agents running in production. Snyk describes its SAST tool as built by and for developers. Snyk's platform integrates with IDEs, CI/CD pipelines, and AI coding assistants, which points to teams that work in those tools.
Last verified
November 4, 2026October 10, 2026

Where they overlap

  • Promptfoo and Snyk are both filed under Static application security testing.
  • Both are headquartered in the United States.

Where they differ, field by field

  • Promptfoo's primary category is AI model and agent security; Snyk's is Software composition analysis.
  • Promptfoo is also filed under AI firewalls and guardrails and Breach simulation and automated pen-testing. Snyk is also filed under Secrets detection and Software supply chain security.
  • Promptfoo lists Red Teaming and Evaluations. Snyk lists Snyk Code, Snyk Container, Snyk Agent Fix, Snyk Studio, DeepCode AI and 2 more.
  • Promptfoo is headquartered in San Francisco, United States. Snyk is headquartered in Boston, United States.
  • Promptfoo was founded in 2024. Snyk was founded in 2015.
  • Promptfoo is owned by OpenAI.
  • Snyk's latest recorded funding is Series G (USD 196.5 million round), dated December 13, 2022.
  • Snyk publicly names MongoDB, Skyscanner, Auth0, DFDS and Helvetia.

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: Snyk

What Snyk Code does[12][14][19]
Snyk Code provides SAST scanning. Snyk's vulnerability scanner is compatible with most popular languages, IDEs, and CI/CD tools. Snyk maintains a database of over 35,000 real-world vulnerabilities and fixes written by Snyk security experts. The Snyk Agent delivers AI-generated fixes for Snyk Code issues directly within a pull request.
What Snyk Container does[12][13]
Snyk Container lets developers know the risks in each image and provides one-click upgrades and alternative image recommendations. Snyk Container has priority scoring based on risk signals such as exploit maturity and insecure workload configs. Snyk Container monitors images for newly discovered vulnerabilities and base image updates and sends alerts via Slack, Jira, email, or custom integration. Snyk Container is available to bundle with Snyk Open Source.
What Snyk Agent Fix does[14]
Snyk Agent Fix is an AI-driven tool that automatically fixes code vulnerabilities. Snyk Agent Fix uses an agentic architecture for AI-powered code fixes. Snyk Agent Fix provides automatic remediation for issues found by Snyk Code's SAST scanning.
What Snyk Studio does[19]
Snyk Studio is a solution for securing the AI-driven development lifecycle. Snyk Studio is used to prevent new AI-generated vulnerabilities and clear existing security debt. Snyk offers delta findings, a view focused on vulnerabilities introduced only in new code.
What DeepCode AI does[20]
DeepCode AI powers the Snyk AI Security Platform and uses frontier AI models fine-tuned with security-specific context. Snyk's DeepCode AI code analyzer was designed to find, autofix, and prioritize vulnerabilities, and manage tech debt. DeepCode AI supports Snyk's context-aware risk scoring, which assesses the popularity of the affected package and the reachability of vulnerable code.
What Agentic AppSec does[12][25]
Snyk's Agentic AppSec uses security agents to find, fix, and verify vulnerabilities continuously. Humans set the bar in Snyk's Agentic AppSec.
What AI-SPM does[1][12][18][24]
AI Security Posture Management (AI-SPM) gives visibility, governance, and security oversight of the AI assets in code. AI-SPM maps assets, scores their risk, and helps enforce governance. AI-SPM scans the repositories that are imported after Evo is enabled.

Questions about Promptfoo and Snyk

What do Promptfoo and Snyk sell?
Promptfoo sells Red Teaming and Evaluations. Snyk sells Snyk Code, Snyk Container, Snyk Agent Fix, Snyk Studio, DeepCode AI and 2 more.
Are Promptfoo and Snyk in the same category?
They share Static application security testing. Promptfoo's primary category is AI model and agent security and Snyk's is Software composition analysis.
Where are Promptfoo and Snyk headquartered?
Promptfoo is headquartered in San Francisco, United States. Snyk is headquartered in Boston, United States.
When were Promptfoo and Snyk founded?
Promptfoo was founded in 2024. Snyk was founded in 2015.
Who owns Promptfoo and Snyk?
Promptfoo is owned by OpenAI. Snyk's latest recorded funding is Series G (USD 196.5 million round), dated December 13, 2022.
Which customers do Promptfoo and Snyk name?
Snyk publicly names MongoDB, Skyscanner, Auth0, DFDS and Helvetia.
Who are Promptfoo and Snyk sold to?
Snyk speaks to organizations building with AI, and to security teams that lack an inventory of the models, workflows, or agents running in production.
What have Promptfoo and Snyk announced recently?
March 9, 2026: OpenAI agreed to buy Promptfoo, a startup helping businesses find and fix security issues in AI models during development. October 15, 2026: Snyk announced Evo Agentic AppSec, a team of AI security agents that finds, fixes and blocks vulnerabilities in code.

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

Snyk full record

  1. [1]PlatformSnyk · snyk.io · undated page, accessed September 27, 2026 · Tier A
  2. [2]AboutSnyk · snyk.io · undated page, accessed September 27, 2026 · Tier A
  3. [3]Snyk closes 196 5 million series g funding at 7 4 billion valuationSnyk · snyk.io · published December 13, 2022 · Tier A
  4. [4]MongodbSnyk · snyk.io · undated page, accessed October 10, 2026 · Tier A
  5. [5]SkyscannerSnyk · snyk.io · undated page, accessed October 10, 2026 · Tier A
  6. [6]Auth0Snyk · snyk.io · undated page, accessed October 10, 2026 · Tier A
  7. [7]snyk.ioSnyk · snyk.io · undated page, accessed October 10, 2026 · Tier A
  8. [8]HelvetiaSnyk · snyk.io · undated page, accessed October 10, 2026 · Tier A
  9. [9]Agentic ai security moves into productionSnyk · snyk.io · published September 17, 2026 · Tier A
  10. [10]Snyk launches evo continuous offensive securitySnyk · snyk.io · published August 4, 2026 · Tier A
  11. [11]Snyk launches evo agentic development securitySnyk · snyk.io · published June 23, 2026 · Tier A
  12. [12]Snyk AI Security Platform | Secure Code, Agents & Apps | SnykSnyk · undated page, accessed October 28, 2026 · Tier A
  13. [13]Container vulnerability management | Container Security Tools | Kubernetes Security Solutions | SnykSnyk · undated page, accessed October 28, 2026 · Tier A
  14. [14]Snyk Code | SAST Code Scanning Tool | Code Security Analysis & Fixes | SnykSnyk · undated page, accessed October 28, 2026 · Tier A
  15. [15]Secure Coding with IDE Plugins | IDE Security Plugins | SnykSnyk · undated page, accessed October 28, 2026 · Tier A
  16. [16]Customer Case Studies | SnykSnyk · undated page, accessed October 28, 2026 · Tier A
  17. [17]Board | About us | SnykSnyk · undated page, accessed November 10, 2026 · Tier A
  18. [18]AI-SPM | Agent security | Snyk User DocsSnyk User Docs · undated page, accessed November 10, 2026 · Tier A
  19. [19]Snyk | Customer Product UpdatesSnyk · undated page, accessed November 10, 2026 · Tier A
  20. [20]DeepCode AI | AI Code Review | AI Security for SAST | Snyk AI | SnykSnyk · undated page, accessed November 10, 2026 · Tier A
  21. [21]How to Detect Tool Poisoning in MCP Server Security | Snyk LabsSnyk Labs · published August 19, 2025 · Tier A
  22. [22]Snyk StatusSnyk · undated page, accessed November 10, 2026 · Tier A
  23. [23]Snyk Unveils Evo Continuous Offensive Security to Bring AI-Native Pentesting to the Enterprise | SnykSnyk · published May 27, 2026 · Tier A
  24. [24]Snyk Launches Agent Security Solution to Protect the Full AI Lifecycle; Announces General Availability of Evo AI-SPM | SnykSnyk · published March 23, 2026 · Tier A
  25. [25]Snyk Launches Evo Agentic AppSec, Redefining Traditional AppSec With a Team of Security Agents | SnykSnyk · published October 15, 2026 · Tier A
  26. [26]As AI Risk Scales and Vulnerabilities Compound, Evo by Snyk Reaches 60% of New Deal Volume | SnykSnyk · published September 17, 2026 · Tier A

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