Cloudflare Dynamic Workers Open Beta: V8 Isolate Sandboxing for AI Agent Code Execution, 100x Faster Than Containers
Cloudflare Blog·high signal
Cloudflare released Dynamic Worker Loader into open beta, enabling Workers to spin up other Workers at runtime for AI-generated code execution. V8 isolates start in milliseconds with megabytes of memory — 100x faster and 100x more memory-efficient than containers. Code Mode saves up to 80% in inference tokens by running tool-calling logic as code instead of multi-step LLM calls. Pricing: $0.002 per unique Worker per day (waived during beta). Available to all paid Workers users.