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Streaming chat UI with tool calls and real error states

Illustration for 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 price6-10Ask about this service

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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What will it cost?

Four questions, an instant range. No account, no waiting.

How big is it?
What exists today?
When do you need it?
After it ships?

Estimated range

€2,000 – €4,000

6-10

Based on the catalogue guide — nobody has published this service yet, so there is no market price to work from. An estimate, not a quote: a seller prices the real job once they have read it.

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