Vercel ships Workflow SDK 5 for agent loops with 25x lower latency and default encryption
cramforce · x · 2026-11-14
Vercel released Workflow SDK 5, built for fast agent loops. In its first year the SDK handled over 4 billion steps and 700 million runs, with usage clustering around automation and long-running agents.
- Up to 25x lower latency and overhead
- Every payload encrypted by default
- Regional workload isolation and failover
- Same plain async JavaScript authoring model with a "use workflow" directive; state survives crashes, deployments, and long waits
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