Async/Await & Concurrent API Calls
~20 min read
AI applications make many API calls that can run concurrently. asyncio and async/await are essential for building fast LLM pipelines that do not block on network I/O.
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Key points
- •async def creates a coroutine — must be awaited to run
- •await pauses execution until I/O completes (non-blocking)
- •asyncio.gather() runs multiple coroutines concurrently
- •async for iterates over streaming responses as chunks arrive