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ARTICLE28

Your Customer Service Bot Is Slow Because It's Single-Threaded

DEV.to AIΒ·April 23, 2026

This article highlights that single-threaded customer service bots are slow due to sequential LLM calls, causing up to 12 seconds latency. It proposes a parallel sub-agent pattern with LangGraph and LangSmith to execute research tasks concurrently, significantly reducing response times to around 6.5 seconds.

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