{"slug":"best-dast-tool-for-dynamic-app-testing","title":"Best DAST tool for dynamic app testing","question":"What are the best DAST tool for dynamic app testing?","verdict":"As of 2026-07-14, ChatGPT, Claude, Gemini and Grok collectively rank Burp Suite #1 for dast tool for dynamic app testing on ModelsAgree by aggregate score. The models' case: The de facto standard for web app security testing. The models' main caveat: Make Enterprise-tier automated scanning less expensive and easier to operationalize for pure DevSecOps teams who never open the desktop client. The strongest alternative is Invicti — Best overall combination of deep web and API scanning, multilayer shadow-API discovery, proof-based exploit validation, low-noise results, and. Not unanimous: ChatGPT picks Invicti. Source: https://modelsagree.com/best/best-dast-tool-for-dynamic-app-testing (modelsagree.com, CC BY 4.0).","category":"AppSec","url":"https://modelsagree.com/best/best-dast-tool-for-dynamic-app-testing","updated":"2026-07-14","models":["ChatGPT","Claude","Gemini","Grok"],"consensus":"3 of 4 models rank Burp Suite the top pick","disagreement":"ChatGPT picks Invicti","combined":[{"rank":1,"product":"Burp Suite","domain":"portswigger.net","score":19,"appearances":4,"modelRanks":{"ChatGPT":2,"Claude":1,"Gemini":1,"Grok":1},"reason":"The de facto standard for web app security testing; unmatched manual testing depth combined with a mature scanner, huge extension ecosystem (BApp Store), and Burp Suite Enterprise brings scheduled, scalable scanning with CI/CD integration — trusted by virtually every pentester and appsec team"},{"rank":2,"product":"Invicti","domain":"invicti.com","score":15,"appearances":4,"modelRanks":{"ChatGPT":1,"Claude":3,"Gemini":2,"Grok":3},"reason":"Best overall combination of deep web and API scanning, multilayer shadow-API discovery, proof-based exploit validation, low-noise results, and enterprise-scale automation"},{"rank":3,"product":"StackHawk","domain":"stackhawk.com","score":11,"appearances":4,"modelRanks":{"ChatGPT":3,"Claude":2,"Gemini":4,"Grok":4},"reason":"Built DAST for developers from the ground up — CI/CD-native, configuration-as-code (YAML), excellent API testing (REST, GraphQL, gRPC, SOAP) with OpenAPI-driven scans, fast scans that fit in a pipeline, and findings routed to devs as tickets not PDFs"},{"rank":4,"product":"OWASP ZAP","domain":"zaproxy.org","score":9,"appearances":3,"modelRanks":{"Claude":4,"Gemini":3,"Grok":2},"reason":"Free open-source powerhouse with strong community support, solid automation via Docker/CI, AJAX spider for modern apps, and extensibility; delivers high value for typical practitioners needing broad coverage without cost barriers, proven in production environments."},{"rank":5,"product":"HCL AppScan","domain":"hcl-software.com","score":2,"appearances":1,"modelRanks":{"ChatGPT":4},"reason":"Mature enterprise DAST with deep customization, incremental and targeted scans, role-based privilege-escalation testing, broad deployment choices, and strong web/API workflows"},{"rank":6,"product":"Bright Security","domain":"brightsec.com","score":1,"appearances":1,"modelRanks":{"ChatGPT":5},"reason":"Fast developer-centric testing, strong CI/CD automation, broad web and API protocol support, and unusually good security-unit-testing and business-logic capabilities"},{"rank":7,"product":"Checkmarx DAST","domain":"checkmarx.com","score":1,"appearances":1,"modelRanks":{"Grok":5},"reason":"Strong platform correlation with SAST/SCA for contextual findings, good auth and API support in enterprise environments; valuable for integrated AppSec programs serving larger teams needing unified visibility."},{"rank":8,"product":"Qualys WAS","domain":"qualys.com","score":1,"appearances":1,"modelRanks":{"Claude":5},"reason":"Cloud-scale scanning across thousands of apps, tight integration with the broader Qualys VMDR platform for unified vuln management, strong API scanning and scheduling, good fit where Qualys is already the enterprise standard"},{"rank":9,"product":"Rapid7 InsightAppSec","domain":"rapid7.com","score":1,"appearances":1,"modelRanks":{"Gemini":5},"reason":"Offers outstanding enterprise vulnerability management features, interactive search, and an intuitive attack replay feature that allows developers to easily verify fixes."}],"perModel":{"ChatGPT":[{"rank":1,"product":"Invicti","reason":"Best overall combination of deep web and API scanning, multilayer shadow-API discovery, proof-based exploit validation, low-noise results, and enterprise-scale automation","fix":"Publish transparent pricing and simplify licensing"},{"rank":2,"product":"Burp Suite","reason":"Exceptional vulnerability coverage, sophisticated crawling and authentication, PortSwigger research, extensibility through BChecks and BApps, and unlimited scalable scanning","fix":"Add more turnkey multilayer API discovery and inventory management"},{"rank":3,"product":"StackHawk","reason":"Best developer-first workflow, with fast containerized scans, configuration as code, excellent CI/CD integration, incremental testing, and strong API, GraphQL, gRPC, LLM, and MCP coverage","fix":"Match the vulnerability depth and validation accuracy of the veteran scanners"},{"rank":4,"product":"HCL AppScan","reason":"Mature enterprise DAST with deep customization, incremental and targeted scans, role-based privilege-escalation testing, broad deployment choices, and strong web/API workflows","fix":"Replace its fragmented, configuration-heavy experience with one modern unified interface"},{"rank":5,"product":"Bright Security","reason":"Fast developer-centric testing, strong CI/CD automation, broad web and API protocol support, and unusually good security-unit-testing and business-logic capabilities","fix":"Prove comparable scan coverage and reliability across more large enterprise deployments"}],"Claude":[{"rank":1,"product":"Burp Suite","reason":"The de facto standard for web app security testing; unmatched manual testing depth combined with a mature scanner, huge extension ecosystem (BApp Store), and Burp Suite Enterprise brings scheduled, scalable scanning with CI/CD integration — trusted by virtually every pentester and appsec team","fix":"Make Enterprise-tier automated scanning less expensive and easier to operationalize for pure DevSecOps teams who never open the desktop client"},{"rank":2,"product":"StackHawk","reason":"Built DAST for developers from the ground up — CI/CD-native, configuration-as-code (YAML), excellent API testing (REST, GraphQL, gRPC, SOAP) with OpenAPI-driven scans, fast scans that fit in a pipeline, and findings routed to devs as tickets not PDFs","fix":"Broaden coverage beyond its dev-pipeline sweet spot with stronger authenticated scanning of complex legacy/monolith UIs to displace enterprise incumbents"},{"rank":3,"product":"Invicti","reason":"Proof-based scanning that safely auto-verifies exploitability slashes false positives, strong automation and scale for large application portfolios, good IAST-assisted coverage, solid compliance reporting","fix":"Modernize pricing and lighten the enterprise sales motion so mid-size teams can adopt it without a procurement cycle"},{"rank":4,"product":"OWASP ZAP","reason":"The best free, open-source DAST; scriptable, automation-framework-first, huge community, runs headless in any CI pipeline at zero license cost, and remains the baseline scanner embedded in countless other products","fix":"Reduce false positives and improve out-of-the-box authenticated scanning and modern SPA/API crawling so results are trustworthy without expert tuning"},{"rank":5,"product":"Qualys WAS","reason":"Cloud-scale scanning across thousands of apps, tight integration with the broader Qualys VMDR platform for unified vuln management, strong API scanning and scheduling, good fit where Qualys is already the enterprise standard","fix":"Improve crawl coverage and JavaScript-heavy SPA handling to match dedicated appsec-first vendors"}],"Gemini":[{"rank":1,"product":"Burp Suite","reason":"Widely considered the gold standard for manual penetration testing and vulnerability discovery, backed by a massive community, extensive BApp store extensions, and robust enterprise-grade automated scanning capabilities.","fix":"Improving the automated pipeline integration and reducing the complexity of setting up containerized/CI-native scans for non-security developers."},{"rank":2,"product":"Invicti","reason":"Features industry-leading proof-based scanning technology that automatically exploits discovered vulnerabilities to confirm them, drastically reducing false positives for enterprise triage.","fix":"Offering more flexible, transparent developer-centric pricing tiers instead of targeting only high-end enterprise buyers."},{"rank":3,"product":"OWASP ZAP","reason":"The leading open-source DAST solution that is completely free, highly customizable, and easy to run in automated CI/CD environments via a powerful API and Docker wrappers.","fix":"Modernizing its desktop user interface and improving out-of-the-box handling of complex single-page applications without manual scripting."},{"rank":4,"product":"StackHawk","reason":"Built from the ground up for developer workflow integration, utilizing simple YAML configurations to run scanning directly within CI/CD pipelines before code hits production.","fix":"Expanding its coverage and depth of testing for legacy enterprise web applications and complex multi-step transaction flows."},{"rank":5,"product":"Rapid7 InsightAppSec","reason":"Offers outstanding enterprise vulnerability management features, interactive search, and an intuitive attack replay feature that allows developers to easily verify fixes.","fix":"Enhancing its native API scanning capabilities to better parse modern GraphQL and web socket schemas automatically."}],"Grok":[{"rank":1,"product":"Burp Suite","reason":"Unmatched depth for interactive and automated testing with excellent extension ecosystem, low false positives via human validation, superior SPA/JS and complex auth handling; remains the practical standard for real-world web app pentesting and professional use by typical security practitioners.","fix":"Steep learning curve and less ideal for fully automated CI/CD without significant setup (best for teams with security expertise)."},{"rank":2,"product":"OWASP ZAP","reason":"Free open-source powerhouse with strong community support, solid automation via Docker/CI, AJAX spider for modern apps, and extensibility; delivers high value for typical practitioners needing broad coverage without cost barriers, proven in production environments.","fix":"Higher manual triage effort due to moderate false positives and weaker out-of-box auth/complex SPA support compared to commercial tools."},{"rank":3,"product":"Invicti","reason":"Proof-based scanning delivers exceptional accuracy (near-zero false positives) and confirmed exploits, scalable enterprise automation with strong reporting; excels for teams prioritizing reliable, audit-ready results over manual effort.","fix":"Higher cost and less flexible for developer-centric workflows or rapid iteration in high-velocity teams."},{"rank":4,"product":"StackHawk","reason":"Developer-first design with excellent CI/CD/pull-request integration, API discovery from code, and ease of use built on ZAP foundation; strong real-world merit for modern DevSecOps practitioners embedding security early without dedicated AppSec overhead.","fix":"Limited depth for advanced manual pentesting or highly customized enterprise compliance needs."},{"rank":5,"product":"Checkmarx DAST","reason":"Strong platform correlation with SAST/SCA for contextual findings, good auth and API support in enterprise environments; valuable for integrated AppSec programs serving larger teams needing unified visibility.","fix":"Can feel heavier and more enterprise-oriented, with potential for higher costs and less standalone agility for smaller or pure-Dyn testing use cases."}]},"missedByModel":{"ChatGPT":[{"product":"Rapid7 InsightAppSec","reason":"excellent attack replay and easy deployment, but its scanning and developer workflow have evolved less aggressively than the top five"},{"product":"Acunetix","reason":"accurate and accessible, but weaker enterprise governance, API discovery, and large-program orchestration"}],"Claude":[{"product":"Rapid7 InsightAppSec","reason":"capable enterprise scanner with good usability, but coverage and innovation pace trail Burp and Invicti"},{"product":"Detectify","reason":"excellent crowdsourced payloads from ethical hackers and easy SaaS onboarding, but more EASM/surface-monitoring oriented than deep authenticated DAST"}],"Gemini":[{"product":"Acunetix","reason":"its feature set heavily overlaps with sister-brand Invicti, leaving it with fewer unique platform developments"},{"product":"Bright Security","reason":"offers great developer-focused API testing but currently lacks the broad market adoption and extensive integration ecosystem of top-tier rivals"}],"Grok":[{"product":"Bright Security","reason":"strong automation and reporting but edged out by broader ecosystem/depth of top picks"}]}}