Ax vs Convex
Side-by-side comparison to help you choose the best tool.
Ax
freeAx (formerly AxFlow) is a TypeScript system for building reliable LLM agents and AI applications. It provides a clean DSL for chaining LLM calls, structured outputs, streaming, and agentic loops with built-in observability.
Best for: TypeScript developers building LLM-powered applications
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Convex
freemiumConvex is a fullstack TypeScript cloud backend for reactive applications, providing a database, serverless functions, file storage, and real-time subscriptions in one platform. Its developer-friendly approach with full TypeScript, automatic query caching, and built-in vector search make it popular for building AI applications with real-time reactivity.
Best for: TypeScript developers building real-time AI applications who want a backend that handles database, functions, and vector search in one reactive system
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Feature Comparison
| Feature | Ax | Convex |
|---|---|---|
| Pricing | free | freemium |
| Category | - | - |
| Rating | 4.1 | 4.4 |
| Best For | TypeScript developers building LLM-powered applications | TypeScript developers building real-time AI applications who want a backend that handles database, functions, and vector search in one reactive system |
| Views | 62 | 61 |
Pros & Cons — Ax
Pros
- Clean API
- TypeScript safety
- Lightweight
Cons
- Smaller community
- Less mature than LangChain
Pros & Cons — Convex
Pros
- End-to-end TypeScript with automatic type safety
- Real-time reactivity without polling
- Built-in vector search for AI apps
Cons
- JavaScript/TypeScript only
- Less flexible than Supabase for SQL power users
Key Features — Ax
- TypeScript-first
- Structured outputs
- Agent loops
- Streaming support
- Multi-model support
Key Features — Convex
- Fullstack TypeScript backend
- Real-time reactive queries
- Built-in vector search
- Serverless functions
- Automatic caching