# Snyk vs Checkmarx One: which do AI models recommend for SAST, October 2026

IT AI Recommendation Index, October 2026 Edition, Static application security testing. Two of fourteen models named Snyk first on the direct prompt; zero named Checkmarx One. Page: https://it-ai-index.com/developer/static-application-security-testing/snyk-vs-checkmarx-one/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Snyk | 8% | #4 of 10 | 9% | 11 | 7 of 14 |
| Checkmarx One | 2% | #8 of 10 | 45% | 44 | 14 of 14 |

## The direct prompt, model by model

- Mistral Small: snyk first (first choices: Snyk) (alternatives: Aikido Security, Semgrep)
- MiniMax M2.5: snyk first (first choices: Snyk) (alternatives: Semgrep, Veracode Static Analysis)
- GPT-5.4 mini: neither first, one named (first choices: Semgrep) (alternatives: Checkmarx One, Snyk Code, Veracode Static Analysis)
- Perplexity Sonar: neither first, one named (first choices: Semgrep) (alternatives: Checkmarx One, Snyk Code)
- GLM 4.7 FlashX: neither first, one named (first choices: SonarQube) (alternatives: Checkmarx One, Codacy, DeepSource, GitHub Advanced Security, OpenText Fortify, Semgrep, Snyk Code, Veracode Static Analysis)
- GPT-6 Luna: neither first, one named (first choices: Semgrep) (alternatives: GitHub Advanced Security, Snyk)
- Claude Haiku 4.5: neither named
- Gemini 3.5 Flash: neither named (first choices: Aikido Security) (alternatives: GitHub Advanced Security, GitLab SAST, Semgrep, Snyk Code)
- Grok 4.1 Fast: neither named (first choices: Snyk Code) (alternatives: Semgrep, SonarQube)
- DeepSeek V4 Flash: neither named (first choices: Snyk Code) (alternatives: CodeAnt.ai, Semgrep, SonarQube)
- Llama 4 Maverick: neither named (first choices: Snyk Code)
- Qwen 3.7 Flash: neither named (first choices: SonarQube) (alternatives: Semgrep, Snyk Code)
- Kimi K2: neither named (first choices: Semgrep, Snyk Code) (alternatives: SonarQube)
- Muse Glimmer 30B: neither named (first choices: SonarQube) (alternatives: Semgrep)

## What the models said about Snyk

- ""We are forced to use Snyk–it's basically infuriating support and false positives... it's also insanely expensive"" (Claude Haiku 4.5, negative prompt, soft negative)
- "Snyk appears to be the most frequently recommended option for mid-market B2B companies running modern stacks" (MiniMax M2.5, direct prompt, first choice)

## What the models said about Checkmarx One

- "What I'd Avoid for Mid-Market: Checkmarx and Veracode are powerful but typically start at $60K–$100K+/year" (Kimi K2, paraphrase prompt, hard negative)
- "be especially cautious with legacy configurations of Checkmarx, Fortify/OpenText, and SonarQube for security use cases unless they are heavily tuned" (Muse Glimmer 30B, negative prompt, soft negative)
- "Legacy enterprise | Checkmarx, Veracode, Fortify | Deep compliance... unless you have specific compliance requirements that mandate legacy tools" (Kimi K2, scale prompt, soft negative)
- "Checkmarx One (Gartner/Forrester Leader): Enterprise-grade with deep dataflow/taint analysis... Checkmarx for banks" (Grok 4.1 Fast, comparative prompt, first choice)
- "an enterprise-grade scanner (like Checkmarx or Fortify) for nightly full-scan reports and compliance auditing." (Qwen 3.7 Flash, comparative prompt, first choice)
- "Gartner Magic Quadrant Leader for 7 consecutive years... Best For: Large enterprises, portfolio-level governance" (Kimi K2, comparative prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.