# Fastly Compute vs OpenFaaS

**Leader by Vioscale score:** Fastly Compute

| Attribute | Fastly Compute | OpenFaaS |
|---|---|---|
| **Vioscale score** | 61.6 (54% (medium)) | 41.1 (42% (low)) |
| activity.commits_last_30d | 39 | 0 |
| adoption.dependent_repos | 65 | 55 |
| adoption.github_stars | 226 | 26,231 |
| adoption.package_downloads_weekly | 510,239 | - |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | Execute code at the edge using WebAssembly with instant startup times. Includes storage, messaging, and built-in security features for modern application development. | 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","languages":"JavaScript, with WebAssembly runtime support","cold_start":"low","cli_and_iac":true,"http_trigger":true,"edge_distributed":true,"runtime_substrate":"wasm"}` | `{"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 | JavaScript | Go |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"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"]}` | `{"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 | commercial | commercial |
| pricing.price_level | low | low |
| pricing.transparent | yes | yes |
| release.cadence_days | 4 | 136 |
| 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"}]` | `[{"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.status_page | yes | - |
| security.gdpr | yes | - |
| security.scorecard | - | 4.3 |
| 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"}` | `{"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 | Fastly Compute | OpenFaaS |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | WASM | - |
| Language / runtime breadth | JavaScript, with WebAssembly runtime support | extensive language support |
| **Reach** |  |  |
| Runs at global edge PoPs | ✓ | - |
| **Scale** |  |  |
| Scale to zero | - | - |
| **Performance** |  |  |
| Cold-start profile | Low | - |
| **Limits** |  |  |
| Max execution duration | - | extended execution timeouts |
| **Integration** |  |  |
| Event source breadth | - | - |
| 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 2026-09-01T16:54:51.817Z. "-" = undocumented, not absent.*