# Fastly Compute vs OpenFaaS

**Leader by vioscaleAI score:** Fastly Compute

| Attribute | Fastly Compute | OpenFaaS |
|---|---|---|
| **vioscaleAI score** | 54.1 (51% (medium)) | 41.7 (42% (low)) |
| activity.commits_last_30d | 23 | 0 |
| adoption.dependent_repos | 65 | 55 |
| adoption.github_stars | 226 | 26,249 |
| adoption.package_downloads_weekly | 462,574 | - |
| content.faq | `[{"answer":"Execute code at the edge using WebAssembly with instant startup times. Includes storage, messaging, and built-in security features for modern application development. It is indexed under Serverless & Edge Platforms.","source":"https://www.fastly.com/pricing","question":"What is Fastly Compute?","confidence":0.6},{"answer":"Fastly Compute is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://www.fastly.com/pricing","question":"Is Fastly Compute free to use?","confidence":0.6},{"answer":"Fastly Compute supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.fastly.com/pricing","question":"What platforms does Fastly Compute support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Fastly Compute, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.fastly.com/pricing","question":"Can Fastly Compute be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Fastly Compute. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Fastly Compute not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.fastly.com/trust","question":"What security certifications does Fastly Compute have?","confidence":0.7},{"answer":"Yes. Fastly Compute is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/fastly/js-compute-runtime","question":"Is Fastly Compute open source?","confidence":0.99}]` | `[{"answer":"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. It is indexed under Serverless & Edge Platforms.","source":"https://www.openfaas.com/","question":"What is OpenFaaS?","confidence":0.6},{"answer":"OpenFaaS offers a free tier, so you can start without paying. Paid plans start at $1250 per month. 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.openfaas.com/pricing/","question":"Is OpenFaaS free?","confidence":0.6},{"answer":"OpenFaaS supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.openfaas.com/pricing/","question":"What platforms does OpenFaaS support?","confidence":0.6},{"answer":"Yes. OpenFaaS can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.openfaas.com/","question":"Can OpenFaaS be self-hosted?","confidence":0.6},{"answer":"We have confirmed 20 integrations for OpenFaaS, including Apache Kafka, AWS SQS, AWS SNS, GCP Pub/Sub, RabbitMQ, PostgreSQL, MQTT and Cron, plus 12 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.openfaas.com/pricing/","question":"What does OpenFaaS integrate with?","confidence":0.6},{"answer":"OpenFaaS is available worldwide. The vendor is headquartered in the United Kingdom.","source":"https://www.openfaas.com/","question":"Where is OpenFaaS available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` |
| description.long | Fastly Compute is a JavaScript runtime and SDK for building applications that run on Fastly's edge network. It includes privacy enablement solutions like MASQUE Relay and OHTTP Relay for anonymizing user traffic and protecting personally identifiable information. | A framework for deploying functions to Kubernetes with automatic scaling, event-driven triggers, multi-tenancy support, and enterprise features including SSO, RBAC, and direct engineering support. |
| 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","observability_builtin":true}` | `{"hosting":"both","triggers":"HTTP, Cron, Kafka, RabbitMQ, GCP Pub/Sub, PostgreSQL, AWS SNS/SQS","languages":"extensive language support","cli_and_iac":true,"http_trigger":true,"max_duration":"extended execution timeouts","scale_to_zero":true,"custom_runtime":true,"scheduled_cron":true,"runtime_substrate":"container","observability_builtin":true}` |
| integrations.count | 5 | 12 |
| integrations.list | `[{"name":"GitHub Actions","native":true,"category":"ci_cd"},{"name":"Terraform","native":true,"category":"iac"},{"name":"Datadog","native":true,"category":"observability"},{"name":"Splunk","native":true,"category":"observability"},{"name":"S3","native":true,"category":"storage"}]` | `[{"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"},{"name":"Kafka","native":true,"category":"event","direction":"inbound"},{"name":"AWS SNS/SQS","native":true,"category":"event","direction":"inbound"},{"name":"Discord","native":false,"category":"chat","direction":"outbound"},{"name":"Gumroad","native":false,"category":"commerce","direction":"outbound"}]` |
| 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,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","description":"Usage-based with no cost for basic usage","contactSales":false},{"free":false,"name":"Growth","description":"Usage-based with volume discounts","contactSales":false},{"free":false,"name":"Enterprise","description":"Custom pricing and support","contactSales":true}],"freeTier":true,"sourceUrl":"https://www.fastly.com/pricing","retrievedAt":"2026-09-10T21:05:10.652Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Community Edition","summary":"Free for personal use; 60-day limit for commercial use","features":["Legacy UI portal","REST API","Basic metrics & observability","Cron trigger"],"description":"Personal use with 60-day commercial restriction","contactSales":false},{"free":false,"name":"Standard","summary":"14-day trial available; custom pricing","features":["Scale to zero","Kafka/RabbitMQ/GCP Pub/Sub/PostgreSQL/AWS SNS/SQS triggers","UI dashboard","Grafana dashboards","Kubernetes Custom Resources (CRD)","Air-gapped/offline deployment","Self-service email support","Multi-tenant hosting","Namespace sandboxing"],"contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing; requires separate support agreement","features":["Enterprise support with SLA","Direct engineering support via Slack","Annual architecture review","Function Builder REST API","Identity and Access Management","Single Sign-On (OpenID Connect)","Role-Based Access Control","API audit logging via webhooks"],"contactSales":true}],"summary":"Free community edition; subscription-based standard and enterprise tiers","freeTier":true,"sourceUrl":"https://www.openfaas.com/pricing/","retrievedAt":"2026-10-15T20:23:16.138Z","freeTrialDays":14}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | low |
| pricing.transparent | yes | no |
| release.cadence_days | 6 | 136 |
| release.history | `[{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v4.0.0","date":"2026-10-06T17:47:49Z","type":"stable","version":"v4.0.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.46.0","date":"2026-09-14T17:38:01Z","type":"stable","version":"v3.46.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.45.1","date":"2026-09-07T18:39:27Z","type":"stable","version":"v3.45.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.45.0","date":"2026-09-04T00:23:51Z","type":"stable","version":"v3.45.0"},{"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/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 | - | 4.2 |
| security.trust_center | https://www.fastly.com/security-research | - |
| 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 | Container |
| 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, Cron, Kafka, RabbitMQ, GCP Pub/Sub, PostgreSQL, AWS SNS/SQS |
| 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: vioscaleAI. Generated 2026-10-16T20:58:57.287Z. "-" = undocumented, not absent.*