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<a href="https://shouldiuse.io/vs/cloudflare/fly">Cloudflare: Build for the agent era vs Fly.io on Should I Use It</a>

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Cloudflare: Build for the agent era versus Fly.io
Compare	Cloudflare: Build for the agent era	Fly.io
Verdict	Depends	Depends
Best for	Developer teams shipping global apps	Engineering teams running real apps
Who it's not for	Non-technical founders who can't write code	Non-technical founders wanting hands-off hosting
Privacy	No known public vulnerabilities found in the sources reviewed.^²	No known public vulnerabilities found in the sources reviewed.^⁴
Support quality	No support evidence in sources	No support evidence found
Public sentiment	No independent user reviews were found; the only customer voice is a vendor-published testimonial.^³	No independent user reviews were found in the sources reviewed.^⁴
Biggest gotcha	Proprietary runtimes (Workers, Durable Objects) create real lock-in; plan an exit path^³	Guess: usage-based billing can spike fast; no pricing appeared in reviewed sources, so model costs first^⁵

Pick Cloudflare: Build for the agent era when

Developer teams shipping global apps
AI agent builders needing MCP and OAuth
Teams bundling security with hosting
Usage-based pricing fans

When Cloudflare: Build for the agent era is not a fit

Non-technical founders who can't write code
Simple blogs or landing pages . massively overkill
Orgs unwilling to risk Workers-runtime lock-in

Pick Fly.io when

Engineering teams running real apps
Builders deploying AI agents
Compliance-driven teams (SOC 2, BAAs)
Global low-latency app hosting

When Fly.io is not a fit

Non-technical founders wanting hands-off hosting
Teams needing published pricing before purchase
Simple static sites or pure serverless workloads
Buyers wanting independent user reviews first . none exist in sources

Sources

Cloudflare: Build for the agent eracloudflare.com
official
Product security pagecloudflare.com
security
Cloudflare dev platform pagecloudflare-dev-platform.r.workers.dev
official
Product security pagefly.io
security
fly.iofly.io
review