# Cloudflare Workers vs Vercel Functions

| Attribute | Cloudflare Workers | Vercel Functions |
|---|---|---|
| **vioscaleAI score** | 86.6 (62% (medium)) | 87.6 (61% (medium)) |
| content.faq | `[{"answer":"Cloudflare Workers is a server runtime that allows you to run JavaScript and WebAssembly code in response to HTTP requests, either through Cloudflare's cloud platform or by self-hosting the runtime. It is indexed under Serverless & Edge Platforms.","source":"https://workers.cloudflare.com/","question":"What is Cloudflare Workers?","confidence":0.6},{"answer":"Cloudflare Workers offers a free tier, so you can start without paying. Paid plans start at $20 per year. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.cloudflare.com/plans","question":"Is Cloudflare Workers free?","confidence":0.6},{"answer":"Cloudflare Workers supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.cloudflare.com/plans","question":"What platforms does Cloudflare Workers support?","confidence":0.6},{"answer":"Yes. Cloudflare Workers can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://workers.cloudflare.com/","question":"Can Cloudflare Workers be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001 and GDPR for Cloudflare Workers. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Cloudflare Workers not holding them. Always confirm compliance directly before you rely on it.","source":"https://workers.cloudflare.com/trust-hub/","question":"What security certifications does Cloudflare Workers have?","confidence":0.7},{"answer":"Cloudflare Workers is available worldwide. The vendor is headquartered in the United States.","source":"https://www.cloudflare.com/plans","question":"Where is Cloudflare Workers available?","confidence":0.75}]` | `[{"answer":"Build and deploy API routes, webhooks, and request handlers without managing servers. Functions automatically scale with traffic, support multiple programming languages, and include built-in observability. It is indexed under Serverless & Edge Platforms.","source":"https://vercel.com/docs/image-optimization/legacy-pricing","question":"What is Vercel Functions?","confidence":0.6},{"answer":"Vercel Functions offers a free tier, so you can start without paying. Paid plans are also available: Hobby and Pro. Pricing changes often, so verify at source before relying on it.","source":"https://vercel.com/docs/functions","question":"Is Vercel Functions free?","confidence":0.6},{"answer":"Vercel Functions supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://vercel.com/docs/image-optimization/legacy-pricing","question":"What platforms does Vercel Functions support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Vercel Functions, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://vercel.com/docs/image-optimization/legacy-pricing","question":"Can Vercel Functions be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Vercel Functions. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Vercel Functions not holding them. Always confirm compliance directly before you rely on it.","source":"https://vercel.com/security","question":"What security certifications does Vercel Functions have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | Cloudflare Workers is a server runtime that allows you to run JavaScript and WebAssembly code in response to HTTP requests, either through Cloudflare's cloud platform or by self-hosting the runtime. | Build and deploy API routes, webhooks, and request handlers without managing servers. Functions automatically scale with traffic, support multiple programming languages, and include built-in observability. |
| features.capabilities | `{"hosting":"cloud","triggers":"HTTP requests, cron schedules, webhooks, message queues","languages":"JavaScript, TypeScript, Python, Rust","cold_start":"none","cli_and_iac":true,"http_trigger":true,"durable_state":true,"scale_to_zero":true,"custom_runtime":true,"scheduled_cron":true,"edge_distributed":true,"runtime_substrate":"isolate"}` | `{"hosting":"cloud","triggers":"HTTP (GET, POST)","languages":"Node.js, Python, Go, and more","cold_start":"low","cli_and_iac":true,"http_trigger":true,"scale_to_zero":true,"edge_distributed":true,"observability_builtin":true}` |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free tier for hobby projects","features":["DNS","DDoS Protection","CDN","Universal SSL","WAF","Free Managed Ruleset","SSO Support","Role-based Account Control"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"For personal or hobby projects","contactSales":false,"includedLimits":{"containers_cpu":"375 vCPU-min","containers_disk":"200 GB-hrs","workers_cpu_time":"10ms/request","workers_requests":"100k/day","browser_rendering":"10 min/day","containers_memory":"25 GiB-hrs","workflows_storage":"1 GB","browser_concurrent":"3 browsers","workflows_cpu_time":"10ms/invocation","workflows_requests":"100k/day","containers_egress_na_eu":"1 TB","durable_objects_duration":"13k GB-s/day","durable_objects_requests":"100k/day","durable_objects_kv_storage":"1 GB","durable_objects_sql_storage":"5 GB","durable_objects_sql_rows_read":"50M/day","durable_objects_sql_rows_written":"100k/day"}},{"free":false,"name":"Pro","summary":"$20/mo billed annually or $25/mo billed monthly","features":["Fast DNS","Unmetered DDoS Protection","CDN","Universal SSL Certificate","Free Managed Ruleset","Web Application Firewall","Lossless Image Optimization","Accelerated Mobile Pages","100% Uptime SLA","1x Uptime Service Credits","Single-Sign-On Support","Role-based Account Control"],"commitment":"monthly","components":[{"kind":"fixed","amount":25,"period":"month","currency":"USD"},{"kind":"fixed","amount":20,"period":"year","currency":"USD"}],"description":"For professional websites","contactSales":false},{"free":false,"name":"Business","summary":"$200/mo billed annually or $250/mo billed monthly","features":["Fast DNS","Unmetered DDoS Protection","CDN","Universal SSL Certificate","Free Managed Ruleset","Web Application Firewall","Lossless Image Optimization","Accelerated Mobile Pages","PCI DSS 4.0 Compliance","10x or 25x Uptime Service Credits","Single-Sign-On Support","Role-based Account Control","Network Prioritization"],"commitment":"monthly","components":[{"kind":"fixed","amount":250,"period":"month","currency":"USD"},{"kind":"fixed","amount":200,"period":"year","currency":"USD"}],"description":"For small businesses operating online","contactSales":false},{"free":false,"name":"Contract","summary":"Custom pricing, billed annually","commitment":"annual","description":"For mission-critical applications","contactSales":true}],"addOns":[{"name":"Workers (metered)","components":[{"per":{"qty":1000000,"unit":"requests"},"kind":"metered","amount":0.3,"currency":"USD"},{"per":{"qty":1000000,"unit":"CPU ms"},"kind":"metered","amount":0.02,"currency":"USD"}]},{"name":"Containers (metered)","components":[{"per":{"qty":1,"unit":"GiB-second"},"kind":"metered","amount":0.0000025,"currency":"USD"},{"per":{"qty":1,"unit":"vCPU-second"},"kind":"metered","amount":0.00002,"currency":"USD"},{"per":{"qty":1,"unit":"GB-second"},"kind":"metered","amount":7e-8,"currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.025,"currency":"USD"}]},{"name":"Durable Objects (metered)","components":[{"per":{"qty":1000000,"unit":"requests"},"kind":"metered","amount":0.15,"currency":"USD"},{"per":{"qty":1000000,"unit":"GB-s"},"kind":"metered","amount":12.5,"currency":"USD"},{"per":{"qty":1000000,"unit":"SQL rows read"},"kind":"metered","amount":0.001,"currency":"USD"},{"per":{"qty":1000000,"unit":"SQL rows written"},"kind":"metered","amount":1,"currency":"USD"},{"per":{"qty":1,"unit":"GB-month"},"kind":"metered","amount":0.2,"currency":"USD"}]},{"name":"Browser Rendering (metered)","components":[{"per":{"qty":1,"unit":"hour"},"kind":"metered","amount":0.09,"currency":"USD"},{"per":{"qty":1,"unit":"browser"},"kind":"metered","amount":2,"currency":"USD"}]},{"name":"Workflows (metered)","components":[{"per":{"qty":1000000,"unit":"requests"},"kind":"metered","amount":0.3,"currency":"USD"},{"per":{"qty":1000000,"unit":"CPU ms"},"kind":"metered","amount":0.02,"currency":"USD"},{"per":{"qty":1,"unit":"GB-month"},"kind":"metered","amount":0.2,"currency":"USD"}]}],"summary":"Free tier with per-request and per-CPU metering. General Cloudflare plans from free to $250/mo; Workers add-on services metered separately.","currency":"USD","freeTier":true,"sourceUrl":"https://www.cloudflare.com/plans","retrievedAt":"2026-08-14T16:41:04.189Z","startingPrice":{"amount":20,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"usage","plans":[{"free":true,"name":"Hobby","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"active_cpu":"4 hours/month","invocations":"1 million/month","provisioned_memory":"360 GB-hrs/month"}},{"free":false,"name":"Pro","description":"Pay-per-use consumption beyond Hobby plan limits","contactSales":false}],"summary":"Free Hobby tier with monthly included usage; Pro tier with usage-based billing","currency":"USD","freeTier":true,"sourceUrl":"https://vercel.com/docs/functions","retrievedAt":"2026-08-01T15:44:05.076Z","billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | mid | low |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 100 | 99.99 |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.iso27001 | yes | yes |
| security.pci | yes | yes |
| security.soc2 | yes | yes |
| security.trust_center | https://www.cloudflare.com/learning/security/account-takeover | https://vercel.com/docs/deployment-protection/methods-to-protect-deployments/trusted-ips |

## Capabilities (Serverless & Edge Platforms)

| Capability | Cloudflare Workers | Vercel Functions |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | V8 isolate | - |
| Language / runtime breadth | JavaScript, TypeScript, Python, Rust | Node.js, Python, Go, and more |
| **Reach** |  |  |
| Runs at global edge PoPs | ✓ | ✓ |
| **Scale** |  |  |
| Scale to zero | ✓ | ✓ |
| **Performance** |  |  |
| Cold-start profile | None (isolate) | Low |
| **Limits** |  |  |
| Max execution duration | - | - |
| **Integration** |  |  |
| Event source breadth | HTTP requests, cron schedules, webhooks, message queues | HTTP (GET, POST) |
| HTTP endpoint trigger | ✓ | ✓ |
| Cron / scheduled invocations | ✓ | - |
| **State** |  |  |
| Durable state / workflow primitive | ✓ | - |
| **Flexibility** |  |  |
| Bring-your-own runtime / container | ✓ | - |
| **Deployment** |  |  |
| Hosting | Cloud only | Cloud only |
| **Ops** |  |  |
| Built-in logs / metrics / tracing | - | ✓ |
| **Extensibility** |  |  |
| CLI + IaC / framework support | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-09-21T01:31:39.941Z. "-" = undocumented, not absent.*