Streaming chat UI with tool calls and real error states

The front end your AI feature deserves: token streaming, cancellation, retries and messages that survive a refresh.

€2,000–€4,000 guide price6-10

What you get

Streaming interface with stop, regenerate and edit-and-resend
Tool-call rendering showing what the model is doing while it runs
Persisted conversation history that survives reloads and reconnects
Error and rate-limit states designed rather than left as raw exceptions

Usually built with

Vercel AI SDK

Next.js

TypeScript

Redis

A guide, not a requirement — sellers propose what suits your situation.

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