# Cloudflare Workers vs OpenFaaS

**Leader by Vioscale score:** Cloudflare Workers

| Attribute | Cloudflare Workers | OpenFaaS |
|---|---|---|
| **Vioscale score** | 90.8 (63% (medium)) | 41.1 (42% (low)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 55 |
| adoption.github_stars | - | 26,231 |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"on_prem":true,"self_hosted":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. | Open-source serverless framework that abstracts cloud provider differences, allowing you to deploy and run functions across multiple clouds, on-premises, and Kubernetes with extended execution timeouts and support for many programming languages. |
| 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":"both","languages":"extensive language support","max_duration":"extended execution timeouts","custom_runtime":true}` |
| integrations.count | - | 20 |
| integrations.list | - | `[{"name":"Apache Kafka"},{"name":"AWS SQS"},{"name":"AWS SNS"},{"name":"GCP Pub/Sub"},{"name":"RabbitMQ"},{"name":"PostgreSQL"},{"name":"MQTT"},{"name":"Cron"},{"name":"Grafana"},{"name":"Istio"},{"name":"Linkerd"},{"name":"NATS JetStream"},{"name":"GitHub"},{"name":"Slack"},{"name":"Salesforce"},{"name":"Zoom"},{"name":"Google Docs"},{"name":"Gmail"},{"name":"DigitalOcean"},{"name":"Crunchbase"}]` |
| language.primary | - | Go |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"linux":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":"hybrid","plans":[{"free":true,"name":"Community Edition","summary":"Free for personal use","features":["15 functions","1 namespace","Public repositories only","Basic autoscaling up to 5/5 replicas","Basic metrics & observability","Cron trigger (limited functionality)","Legacy UI portal","REST API"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Limited version for personal-use, hobbyists and experimentation. 60-day limit on commercial use.","contactSales":false,"includedLimits":{"functions":"15","namespaces":"1","repositories":"public only"}},{"free":false,"name":"OpenFaaS Standard","summary":"$1,250/month","features":["500 functions","1 namespace","Private registries for functions","Fine-tuned autoscaling for RPS, Capacity & CPU","Scale to Zero","Event triggers: Kafka, RabbitMQ, GCP Pub/Sub, PostgreSQL, AWS SNS/SQS","Queue-worker (JetStream-based)","Retry failed messages","New UI dashboard","Grafana dashboards for monitoring","Manage functions with Custom Resource (CRD)","Air-gapped / offline usage","Istio/Linkerd compatibility","Self-service email support"],"commitment":"annual","components":[{"kind":"fixed","amount":1250,"period":"month","currency":"USD"}],"description":"Production-ready functions for a single team or tenant. Scalable and event-driven automation for a business.","contactSales":false,"includedLimits":{"functions":"500","namespaces":"1"}},{"free":false,"name":"OpenFaaS for Enterprises","summary":"Custom pricing","features":["5000 functions per namespace","Unlimited namespaces","Multi-tenancy with secure isolation (gVisor)","Function Builder API (REST)","Dedicated async queues (JetStream)","Single Sign-On (SSO) with OpenID Connect","Role Based Access Control (RBAC)","Web Identity Federation for CI/CD","Auditing via webhook","Business day support with SLA","Direct to Engineering Support (Slack)","Annual architecture review","Security advisories to nominated email","Developer licenses included"],"description":"Highest level of service for enterprises and multi-tenant hosting. Upgraded support, compliance & multi-tenancy features.","contactSales":true,"includedLimits":{"functions":"5000 per namespace","namespaces":"unlimited"}}],"addOns":[{"name":"Enterprise Support"}],"summary":"Community Edition free; Standard from $1,250/month with 14-day trial; Enterprise custom pricing","currency":"USD","freeTier":true,"sourceUrl":"https://www.openfaas.com/pricing/","retrievedAt":"2026-08-13T09:44:11.430Z","freeTrialDays":14,"startingPrice":{"amount":1250,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | mid | low |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 136 |
| release.history | - | `[{"url":"https://github.com/openfaas/faas/releases/tag/0.27.14","date":"2026-07-02T09:09:13Z","type":"prerelease","version":"0.27.14"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.13","date":"2025-08-29T14:24:04Z","type":"stable","version":"0.27.13"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.12","date":"2024-12-09T09:51:08Z","type":"stable","version":"0.27.12"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.11","date":"2024-11-29T14:52:05Z","type":"stable","version":"0.27.11"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.10","date":"2024-11-18T21:47:16Z","type":"stable","version":"0.27.10"}]` |
| reliability.sla_pct | 100 | - |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 4.3 |
| security.soc2 | yes | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fopenfaas%2Ffaas&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Serverless & Edge Platforms)

| Capability | Cloudflare Workers | OpenFaaS |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | V8 isolate | - |
| Language / runtime breadth | JavaScript, TypeScript, Python, Rust | extensive language support |
| **Reach** |  |  |
| Runs at global edge PoPs | ✓ | - |
| **Scale** |  |  |
| Scale to zero | ✓ | - |
| **Performance** |  |  |
| Cold-start profile | None (isolate) | - |
| **Limits** |  |  |
| Max execution duration | - | extended execution timeouts |
| **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 + self-hosted |
| **Ops** |  |  |
| Built-in logs / metrics / tracing | - | - |
| **Extensibility** |  |  |
| CLI + IaC / framework support | ✓ | - |

*Source: Vioscale. Generated 2026-09-01T14:39:25.830Z. "-" = undocumented, not absent.*