Recursiv vs Vercel AI SDK

Streaming UI in your Next.js app vs the whole backend and agent runtime

How Does Recursiv Compare to the Vercel AI SDK?

The Vercel AI SDK is excellent for streaming LLM responses into a UI inside a Next.js app. It handles the client and the streaming layer well. Recursiv is the whole backend and the agent runtime behind it: data, deploy, memory, orchestration and govern, model agnostic.

The differentiator is scope. The AI SDK lives in your frontend and helps you render model output. Recursiv runs the agents on the platform and provides the backend your app talks to, so you get the runtime and the data layer, not just the streaming.

Quick Comparison

CapabilityRecursivVercel AI SDK
TypeBackend and agent runtimeFrontend and streaming library
Streaming UISupported via SDKCore strength
Model supportAny model, swap anytimeAny model via providers
Agents and swarmsBuilt inBuild the backend yourself
MemoryBrain and memory built inBring your own store
OrchestrationDispatcher and jobsBring your own runtime
Code executionManaged sandboxesBring your own
Data and storagePostgres and object storageBring your own
AuthBuilt inBring your own
DeployDeployments built inVercel hosting
GovernScoped identity, approvals, audit, self-evalBuild it yourself

When the Vercel AI SDK Is the Better Choice

  • Your need is a streaming chat or completion UI in a Next.js app and the backend is already handled
  • You want a lightweight client library rather than a backend platform
  • You are committed to the Vercel stack for hosting and your data layer
  • You are not running autonomous agents and do not need memory, orchestration or govern

Best Together

Recursiv and the Vercel AI SDK can complement each other. Use the AI SDK for the streaming UI in your Next.js frontend and point it at Recursiv as the backend and agent runtime, model agnostic, with data, deploy and govern.

Get Started

If you need the whole backend and the agent runtime behind your UI, start with the quickstart.