docs: comparisons

apps/content/content/docs/comparisons.mdx

@@ -4,4 +4,21 @@ description: How is oRPC different from other RPC or REST solutions?
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-...(In progress)
+This comparison table helps you understand how oRPC differs from other popular TypeScript RPC and REST solutions.
+
+- ✅ First-class, built-in support
+- 🟡 Lacks features, or requires third-party integrations
+- 🛑 Not supported or not documented
+
+| | oRPC | tRPC | ts-rest | Description |
+|------------|------------|---------------|---------------|---------------|
+| End-to-end Type Safety | ✅ | ✅ | ✅ | Full TypeScript type inference from backend to frontend |
+| SSR Support | ✅ | ✅ | ✅ | Server-side rendering compatibility |
+| React Query Integration | ✅ | ✅ | 🟡 | Native support for React Query/TanStack Query |
+| Vue Query Integration | 🛑 | 🛑 | 🟡 | Native support for Vue Query/TanStack Query |
+| Contract-First Development | ✅ | 🛑 | ✅ | API definitions before implementation |
+| File Operations | ✅ | 🟡 | 🟡 | Built-in support for file uploads/downloads |
+| OpenAPI support | ✅ | 🟡 | 🟡 | Generation and consumption of OpenAPI specs |
+| Server actions support | ✅ | ✅ | 🛑 | React/Next.js Actions compatibility |
+
+> In the future, we'll implement full Tanstack query support for Vue, Svelte, Solid, ...