[::] Agentic Stacks

Cloudflare Workers vs Fly.io

Pick two tools from the same category to compare side-by-side.

Cloudflare Workers
Edge serverless platform with AI primitives and Durable Objects.
Fly.io
Container hosting near users; common for stateful agent backends.
Category deploymentdeployment
Vendor type commercialcommercial
Pricing freemiumusage
Strengths
  • + Low cold-start at edge
  • + Durable Objects for stateful sessions
  • + AI Gateway + Workers AI integration
  • + Run real containers, not just functions
  • + Global region placement
  • + Persistent volumes
Tradeoffs
  • − Workers runtime constraints (no threads, limited std lib)
  • − More ops overhead than serverless
Used in stacks 3 6

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