{"slug":"open-appsec","name":"open-appsec","domain":"openappsec.io","verdict":"As of 2026-07-14, ChatGPT, Claude, Gemini, Grok collectively rank open-appsec #6 of 8 for waf for web application protection (one of 2 leaderboards it appears on). Source: https://modelsagree.com/product/open-appsec (modelsagree.com, CC BY 4.0).","best_rank":6,"categories":2,"entries":[{"slug":"best-waf-for-web-application-protection","title":"Best WAF for web application protection","rank":6,"of":8,"score":5,"appearances":1,"modelRanks":{"Grok":1},"reason":"Leads independent 2026 efficacy tests with highest balanced accuracy (99%+ TPR/low FPR out-of-box via ML positive security model), strong zero-day protection without heavy signature tuning, flexible self-hosted/cloud/K8s deployment offering high real-world value for security outcomes over marketing.","reasons":[{"model":"Grok","reason":"Leads independent 2026 efficacy tests with highest balanced accuracy (99%+ TPR/low FPR out-of-box via ML positive security model), strong zero-day protection without heavy signature tuning, flexible self-hosted/cloud/K8s deployment offering high real-world value for security outcomes over marketing."}],"fixes":[{"model":"Grok","fix":"Requires initial learning curve for ML policy tuning in complex custom apps (not for set-it-and-forget minimalists)."}],"updated":"2026-07-14","rank_history":{"days":["2026-06-29","2026-06-30","2026-07-08","2026-07-09","2026-07-10","2026-07-14"],"ranks":[null,null,null,null,null,1]},"api":"https://modelsagree.com/api/v1/best/best-waf-for-web-application-protection.json"},{"slug":"best-waf","title":"Best WAF","rank":9,"of":9,"score":2,"appearances":1,"modelRanks":{"Claude":4},"reason":"The strongest open-source option in 2026 for teams that refuse signature maintenance: machine-learning-based (preemptive, no signature updates for new CVEs — it blocked Log4Shell-class attacks without rules), integrates as an add-on to NGINX, Kong, and Envoy/Kubernetes ingress, free at its core with commercial support from Check Point","reasons":[{"model":"Claude","reason":"The strongest open-source option in 2026 for teams that refuse signature maintenance: machine-learning-based (preemptive, no signature updates for new CVEs — it blocked Log4Shell-class attacks without rules), integrates as an add-on to NGINX, Kong, and Envoy/Kubernetes ingress, free at its core with commercial support from Check Point"}],"fixes":[{"model":"Claude","fix":"ML-based blocking demands a learning period and trust in a model you can't fully inspect; ecosystem, docs, and community are far smaller than ModSecurity's, and it's ultimately steered by a single vendor"}],"updated":"2026-07-16","api":"https://modelsagree.com/api/v1/best/best-waf.json"}],"page":"https://modelsagree.com/product/open-appsec","check":"https://modelsagree.com/check?q=open-appsec","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}