Building LLM-powered services using Vercel Workflow and Workflow Development Kit (WDK)
Published:Dec 25, 2025 08:36
•1 min read
•Zenn LLM
Analysis
This article discusses the challenges of building services that leverage Large Language Models (LLMs) due to the long processing times required for reasoning and generating outputs. It highlights potential issues such as exceeding hosting service timeouts and quickly exhausting free usage tiers. The author explores using Vercel Workflow, currently in beta, as a solution to manage these long-running processes. The article likely delves into the practical implementation of Vercel Workflow and WDK to address the latency challenges associated with LLM-based applications, offering insights into how to build more robust and scalable LLM services on the Vercel platform. It's a practical guide for developers facing similar challenges.
Key Takeaways
Reference
“Recent LLM advancements are amazing, but Thinking (Reasoning) is necessary to get good output, and it often takes more than a minute from when a request is passed until a response is returned.”