{"slug":"form-io","name":"form.io","domain":"form.io","verdict":"As of 2026-07-15, ChatGPT, Claude, Gemini, Grok collectively rank form.io #6 of 9 for form builder. Source: https://modelsagree.com/product/form-io (modelsagree.com, CC BY 4.0).","best_rank":6,"categories":1,"entries":[{"slug":"best-form-builder-for-developers","title":"Best form builder","rank":6,"of":9,"score":2,"appearances":1,"modelRanks":{"Grok":4},"reason":"Robust open-source/commercial platform with powerful API-first backend, data management, and self-hosting options; excels for developers needing complex forms tied to databases/workflows in startup product builds.","reasons":[{"model":"Grok","reason":"Robust open-source/commercial platform with powerful API-first backend, data management, and self-hosting options; excels for developers needing complex forms tied to databases/workflows in startup product builds."}],"fixes":[{"model":"Grok","fix":"Can feel heavier/more engineering-oriented than lightweight builders, with UI less intuitive for quick non-dev edits (not for marketing teams or non-technical form creators)."}],"updated":"2026-07-15","rank_history":{"days":["2026-07-09","2026-07-10","2026-07-15"],"ranks":[null,null,4]},"api":"https://modelsagree.com/api/v1/best/best-form-builder-for-developers.json"}],"page":"https://modelsagree.com/product/form-io","check":"https://modelsagree.com/check?q=form.io","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}