{"slug":"convex","name":"Convex","domain":"convex.dev","verdict":"As of 2026-07-15, ChatGPT, Claude, Gemini, Grok collectively rank Convex #3 of 6 for backend-as-a-service for startups (one of 3 leaderboards it appears on). Source: https://modelsagree.com/product/convex (modelsagree.com, CC BY 4.0).","best_rank":3,"categories":3,"brief":{"category":"best-backend-as-a-service","title":"Best backend-as-a-service for startups","rank":3,"of":6,"top":"Supabase","day":"2026-07-17","why":[{"t":"reactive TypeScript developer experience","m":["ChatGPT","Claude","Gemini"],"q":"Exceptional TypeScript developer experience for reactive web apps"},{"t":"ACID transactions","m":["Claude","Gemini"],"q":"ACID transactions and automatic realtime subscriptions"},{"t":"automatic realtime updates","m":["ChatGPT","Claude","Gemini"],"q":"automatic realtime updates"},{"t":"end-to-end type safety","m":["ChatGPT","Claude","Gemini"],"q":"automatic end-to-end type safety"}],"gap":[{"t":"standard SQL","m":["ChatGPT","Claude","Gemini","Grok"],"q":"standard SQL giving a genuine migration escape hatch"},{"t":"open-source self-hosting","m":["ChatGPT","Claude","Grok"],"q":"open-source self-hosting option"},{"t":"largest ecosystem momentum","m":["Claude","Grok"],"q":"the largest ecosystem momentum of any BaaS in 2026"}],"fix":[{"t":"no standard SQL","m":["ChatGPT","Claude","Gemini"],"q":"no standard SQL and a smaller ecosystem"},{"t":"poor fit for polyglot systems","m":["ChatGPT","Claude","Gemini"],"q":"unfit for polyglot systems or heavy relational reporting"},{"t":"proprietary hosted cloud service","m":["Gemini"],"q":"Locked into a proprietary hosted cloud service"}]},"entries":[{"slug":"best-backend-as-a-service","title":"Best backend-as-a-service for startups","rank":3,"of":6,"score":9,"appearances":3,"modelRanks":{"ChatGPT":3,"Claude":3,"Gemini":3},"reason":"Exceptional TypeScript developer experience for reactive web apps, combining a transactional database, backend functions, scheduling, file storage, automatic realtime updates, and end-to-end types with unusually little synchronization code","reasons":[{"model":"ChatGPT","reason":"Exceptional TypeScript developer experience for reactive web apps, combining a transactional database, backend functions, scheduling, file storage, automatic realtime updates, and end-to-end types with unusually little synchronization code"},{"model":"Claude","reason":"End-to-end reactive TypeScript backend with ACID transactions and automatic realtime subscriptions — the best developer experience for collaborative or live-updating apps; backend is source-available, and the type-safety from schema to client is unique in the category. Assumes a TypeScript stack."},{"model":"Gemini","reason":"In a near-tie with Firebase, it provides a reactive, TypeScript-first database and serverless runtime that guarantees ACID transactions and automatic end-to-end type safety, eliminating state-synchronization boilerplate."}],"fixes":[{"model":"ChatGPT","fix":"Its specialized database and function model is a poor fit for SQL-centric teams, polyglot backends, or workloads needing conventional database tooling"},{"model":"Claude","fix":"Its bespoke database means no standard SQL and a smaller ecosystem — a poor fit for non-TS teams or those needing raw Postgres access, warehousing integrations, or a long-established hiring pool."},{"model":"Gemini","fix":"Locked into a proprietary hosted cloud service restricted to JavaScript/TypeScript environments, making it unfit for polyglot systems or heavy relational reporting."}],"updated":"2026-07-15","rank_history":{"days":["2026-06-29","2026-06-30","2026-07-08","2026-07-09","2026-07-10","2026-07-14","2026-07-15"],"ranks":[3,3,3,3,3,3,3]},"reasoning_shift":[{"model":"Gemini","from":"2026-07-14","to":"2026-07-15","added":[{"t":"automatic end-to-end type safety","q":"automatic end-to-end type safety"},{"t":"restricted to JavaScript/TypeScript environments","q":"restricted to JavaScript/TypeScript environments"},{"t":"unfit for heavy relational reporting","q":"unfit for polyglot systems or heavy relational reporting"}],"dropped":[{"t":"zero-config caching","q":"zero-config caching"},{"t":"no viable self-hosting option","q":"no viable self-hosting option"}]},{"model":"Claude","from":"2026-07-14","to":"2026-07-15","added":[{"t":"ACID transactions","q":"ACID transactions"},{"t":"backend is source-available","q":"backend is source-available"},{"t":"warehousing integrations and hiring pool","q":"warehousing integrations, or a long-established hiring pool"}],"dropped":[{"t":"natural fit for AI app scaffolding","q":"it's a natural fit for AI app scaffolding"},{"t":"small startup team ships fast","q":"lets a small startup team ship a live-updating product remarkably fast"},{"t":"lock-in to young vendor runtime","q":"lock-in to a young vendor's runtime"}]},{"model":"ChatGPT","from":"2026-07-14","to":"2026-07-15","added":[],"dropped":[{"t":"automatic caching","q":"automatic caching"}]}],"api":"https://modelsagree.com/api/v1/best/best-backend-as-a-service.json"},{"slug":"best-backend-as-a-service-platforms-for-react-native-apps","title":"Best backend-as-a-service platforms for React Native apps","rank":5,"of":6,"score":1,"appearances":1,"modelRanks":{"Gemini":5},"reason":"Reactive TypeScript-first backend with automatic real-time state synchronization, transactional functions, and zero cache management boilerplate for React Native interfaces.","reasons":[{"model":"Gemini","reason":"Reactive TypeScript-first backend with automatic real-time state synchronization, transactional functions, and zero cache management boilerplate for React Native interfaces."}],"fixes":[{"model":"Gemini","fix":"Proprietary database engine with high vendor lock-in, no self-hosting path, and a non-relational execution model."}],"updated":"2026-08-09","api":"https://modelsagree.com/api/v1/best/best-backend-as-a-service-platforms-for-react-native-apps.json"},{"slug":"best-open-source-firebase-alternative","title":"Best open-source Firebase alternative","rank":5,"of":7,"score":1,"appearances":1,"modelRanks":{"Claude":5},"reason":"The best developer experience for reactive apps — end-to-end TypeScript, transactional server functions, and live queries that update UIs automatically with no subscription plumbing; backend is FSL/open-sourced and self-hostable","reasons":[{"model":"Claude","reason":"The best developer experience for reactive apps — end-to-end TypeScript, transactional server functions, and live queries that update UIs automatically with no subscription plumbing; backend is FSL/open-sourced and self-hostable"}],"fixes":[{"model":"Claude","fix":"Mature the self-hosted path to parity — the open-source deployment lags the cloud product in tooling and operational docs, and its non-SQL, functions-only data access model is a leap for teams wanting portability"}],"updated":"2026-07-15","rank_history":{"days":["2026-07-07","2026-07-08","2026-07-09","2026-07-10","2026-07-15"],"ranks":[4,5,5,null,null]},"api":"https://modelsagree.com/api/v1/best/best-open-source-firebase-alternative.json"}],"page":"https://modelsagree.com/product/convex","check":"https://modelsagree.com/check?q=Convex","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}