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Cloudflare Workers

workers.cloudflare.com · Frontend and serverless
SEPT 2026 audit

Serverless runtime that executes JavaScript, TypeScript, Python and WebAssembly isolates in every Cloudflare data centre, with KV, queues and Durable Objects alongside.

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No affiliate links, sponsored placements or paid rankings appear on this site. Ordering follows the sourced data and the stated criteria.

Entry paid plan$5/month minimum charge for an account on the Workers Paid plan, which covers Workers, Pages Functions, Workers KV, Hyperdrive and Durable Objects usage.
RegionsNo region selection. A Worker runs in the data centre closest to the request; Smart Placement can instead pin it near a named cloud region, host or hostname.
Free tierYes
CategoryFrontend and serverless

Updated 8 criteria comparedSources last checked

01.Evaluation guide

Who it suits

Code that should run in every Cloudflare data centre rather than one chosen region, where 10 ms of free CPU per request is enough to start and a $5 account minimum then covers Workers, KV, Hyperdrive and Durable Objects together.

Consider something else if…

The work is CPU-bound or long-running: the free plan allows 10 ms of CPU per HTTP request and stops at 100,000 requests a day, and the paid plan defaults to 30 seconds rather than the 5-minute ceiling.

Editorial · Palash Bagchi · approved

Each value below links to the page it was read from, with the sentence it came from. Criteria Cloudflare Workers does not publish are not listed.

Pricing
3 criteria
Free tierYes
Sources (1) →
  • Pricing — Cloudflare Workers docs ↗

    “by default, users have access to the workers free plan. the workers free plan includes limited usage of workers, pages functions, workers kv and hyperdrive.”

    Read 2026-09-14 · official docs

What the free plan includes100,000 requests a day on the free plan, resetting at midnight UTC; a Worker over the limit returns Cloudflare error 1027.
Sources (1) →
  • Limits — Cloudflare Workers docs ↗

    “accounts on the workers free plan have a daily request limit of 100,000 requests, resetting at midnight utc. when a worker exceeds this limit, cloudflare returns error 1027.”

    Read 2026-09-14 · official docs

Entry paid plan$5/month minimum charge for an account on the Workers Paid plan, which covers Workers, Pages Functions, Workers KV, Hyperdrive and Durable Objects usage.
Sources (1) →
  • Pricing — Cloudflare Workers docs ↗

    “the workers paid plan includes workers, pages functions, workers kv, hyperdrive, and durable objects usage for a minimum charge of $5 usd per month for an account.”

    Read 2026-09-14 · official docs

Execution
1 criteria
CPU time limit10 ms of CPU per HTTP request on the free plan; up to 5 minutes on paid, defaulting to 30 seconds. Time spent waiting on network requests does not count.
Sources (1) →
  • Limits — Cloudflare Workers docs ↗

    “cpu time measures how long the cpu spends executing your worker code. waiting on network requests (such as fetch() calls, kv reads, or database queries) does not count toward cpu time. limit workers free workers paid cpu time per http request 10 ms 5 min (default: 30 seconds)”

    Read 2026-09-14 · official docs

Infrastructure
2 criteria
RegionsNo region selection. A Worker runs in the data centre closest to the request; Smart Placement can instead pin it near a named cloud region, host or hostname.
Sources (1) →
  • Smart Placement · Cloudflare Workers docs ↗

    “By default, Workers and Pages Functions run in a data center closest to where the request was received. If your Worker makes requests to back-end infrastructure such as databases or APIs, it may be more performant to run that Worker closer to your back-end than the end user.”

    Read 2026-09-14 · official docs

Uptime SLA99.99% monthly, in a dedicated Workers SLA that says it applies to use of Workers only and names no plan tier. Cloudflare's separate application-services plan table shows an uptime SLA on Business and Enterprise only.
Sources (1) →
  • Workers Service Level Agreement — Cloudflare ↗

    “applies to use of workers only [...] cloudflare will use commercially reasonable efforts to provide a monthly uptime percentage of 99.99% for customer's use of workers”

    Read 2026-09-14 · official site

Support
2 criteria
Support on entry paid planCommunity forum and Discord on every plan, with Discord named as the Developer Platform channel. Opening a support case needs Pro or above — Free is limited to billing, account and registrar issues. Live chat starts at Business, emergency phone at Enterprise.
Sources (1) →
  • Contacting Cloudflare Support · Cloudflare Support docs ↗

    “Support options can vary depending on your plan. Enterprise Business Pro Free [...] Join the Discord community to ask basic troubleshooting questions (mainly focused on the Developer Platform). Yes Yes Recommended Recommended [...] Use to troubleshoot specific issues or errors. Response times depend on your plan. Yes Yes Yes No 1 Chat Use to troubleshoot specific issues or errors. Response times depend on your plan. Yes Yes No No Emergency Phone Use phone support to reach out during emergencies such as site outages or DDoS attacks. Yes No No No [...] will only receive standard case support for billing, account, and registrar issues.”

    Read 2026-09-14 · official docs

Response time commitmentNone on the Workers Paid plan: Cloudflare says pay-as-you-go and Free customers get no SLA and are answered in the order received. Priority response times are sold as the Premium and Enterprise SLAs — 1 hour and 2 hours for an urgent P1.
Sources (1) →
  • Contacting Cloudflare Support · Cloudflare Support docs ↗

    “Premium SLA P1 Urgent- initial response in 1 hour P2 High - initial response in 2 hours P3 Normal - initial response in 24 hours P4 Low - initial response in 24 hours Enterprise SLA P1 Urgent - initial response in 2 hours P2 High - initial response in 4 hours P3 Normal - initial response in 48 hours P4 Low - initial response in 48 hours SLOs for other plans Pay-as-you-go and Free customers - No SLAs are offered, but customers are responded to in the order in which their request is received.”

    Read 2026-09-14 · official docs

When these numbers change, hear about it. Sources are re-checked monthly; a repricing goes out as a short note.

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Cloudflare Workers vs Cloudflare Pages

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