Connecting a Python backend to Vercel AI SDK v6’s <code>useChat</code> means getting SSE event ordering exactly right — or the frontend silently breaks.
ai-sdk-stream-python handles that for you. One <code>StreamContext</code> object manages the entire event lifecycle, so you just write content and it figures out the rest.
<pre><code>ctx = StreamContext()
await ctx.run(lambda ctx: my_service(ctx))
return StreamingResponse(ctx.stream(), media_type=&quot;text/event-stream&quot;)
</code></pre>
GitHub: <a href="https://github.com/shloimy-wiesel/ai-sdk-stream-python" target="_blank" rel="noopener nofollow">https://github.com/shloimy-wiesel/ai-sdk-stream-python</a>

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ai-sdk-stream-python is a Python library that simplifies connecting a Python backend to Vercel AI SDK v6's useChat by correctly handling SSE event ordering. It provides a StreamContext object that manages the entire event lifecycle, letting developers stream responses without manually managing the SSE protocol details.

Working with Vercel AI SDK in Python just got easier