# Cloudflare Workers vs Fastly Compute

**Leader by Vioscale score:** Cloudflare Workers

| Attribute | Cloudflare Workers | Fastly Compute |
|---|---|---|
| **Vioscale score** | 90.8 (63% (medium)) | 61.6 (54% (medium)) |
| activity.commits_last_30d | - | 39 |
| adoption.dependent_repos | - | 65 |
| adoption.github_stars | - | 226 |
| adoption.package_downloads_weekly | - | 510,239 |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A serverless platform enabling developers to deploy applications and scripts that run across Cloudflare's global infrastructure, scaling automatically from zero requests to millions, with billing based on actual execution time rather than reserved capacity. | Execute code at the edge using WebAssembly with instant startup times. Includes storage, messaging, and built-in security features for modern application development. |
| 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","languages":"JavaScript, with WebAssembly runtime support","cold_start":"low","cli_and_iac":true,"http_trigger":true,"edge_distributed":true,"runtime_substrate":"wasm"}` |
| language.primary | - | JavaScript |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":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":"Compute","summary":"Free tier with 10M requests + 100M vCPU ms/month. Usage rates: $0.50/1M requests (10M–500M tier), $0.05/1M vCPU ms (100M–5B tier), with discounts at higher volumes","features":["10M compute requests/month free","100M vCPU milliseconds/month free","Global edge deployment","WebAssembly runtime","Volume discounts"],"components":[{"per":{"qty":1,"unit":"Million requests"},"kind":"metered","amount":0.5,"currency":"USD"},{"per":{"qty":1,"unit":"Million vCPU milliseconds"},"kind":"metered","amount":0.05,"currency":"USD"}],"description":"Pay per compute request and CPU milliseconds with volume-based discounts","contactSales":false,"includedLimits":{"compute_requests":"10M/month","compute_vcpu_milliseconds":"100M/month"}}],"summary":"Free tier. Usage-based pricing from $0.50 per 1 million compute requests","currency":"USD","freeTier":true,"sourceUrl":"https://www.fastly.com/pricing","retrievedAt":"2026-08-14T11:11:26.524Z","billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | mid | low |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 4 |
| release.history | - | `[{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.44.3","date":"2026-07-31T20:21:39Z","type":"stable","version":"v3.44.3"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.44.2","date":"2026-07-28T21:17:39Z","type":"stable","version":"v3.44.2"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.44.1","date":"2026-07-28T20:55:12Z","type":"stable","version":"v3.44.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.44.0","date":"2026-07-27T22:13:44Z","type":"stable","version":"v3.44.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.43.2","date":"2026-07-23T18:33:14Z","type":"stable","version":"v3.43.2"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.43.1","date":"2026-06-17T22:07:21Z","type":"stable","version":"v3.43.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.43.0","date":"2026-06-16T17:51:23Z","type":"stable","version":"v3.43.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.42.1","date":"2026-05-18T21:22:05Z","type":"stable","version":"v3.42.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.42.0","date":"2026-05-11T20:59:14Z","type":"stable","version":"v3.42.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.41.2","date":"2026-05-04T21:54:38Z","type":"stable","version":"v3.41.2"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.41.1","date":"2026-04-10T09:11:25Z","type":"stable","version":"v3.41.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.41.0","date":"2026-04-08T08:42:33Z","type":"stable","version":"v3.41.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.40.1","date":"2026-02-24T11:44:27Z","type":"stable","version":"v3.40.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.40.0","date":"2026-02-17T21:02:48Z","type":"stable","version":"v3.40.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.39.4","date":"2026-02-13T09:16:48Z","type":"stable","version":"v3.39.4"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.39.3","date":"2026-02-12T23:09:29Z","type":"stable","version":"v3.39.3"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.39.2","date":"2026-02-09T13:08:36Z","type":"stable","version":"v3.39.2"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.39.1","date":"2026-02-09T12:20:58Z","type":"stable","version":"v3.39.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.39.0","date":"2026-01-28T19:29:17Z","type":"stable","version":"v3.39.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.38.4","date":"2026-01-23T09:38:09Z","type":"stable","version":"v3.38.4"}]` |
| reliability.sla_pct | 100 | - |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | yes |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.soc2 | yes | - |
| security.vulnerabilities | - | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40fastly%2Fjs-compute&per_page=100","last_12m":0,"max_severity":"HIGH"}` |

## Capabilities (Serverless & Edge Platforms)

| Capability | Cloudflare Workers | Fastly Compute |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | V8 isolate | WASM |
| Language / runtime breadth | JavaScript, TypeScript, Python, Rust | JavaScript, with WebAssembly runtime support |
| **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 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: Vioscale. Generated 2026-09-01T17:15:42.554Z. "-" = undocumented, not absent.*