# Fastly Compute vs Google Cloud Functions

**Leader by vioscaleAI score:** Fastly Compute

| Attribute | Fastly Compute | Google Cloud Functions |
|---|---|---|
| **vioscaleAI score** | 54.1 (51% (medium)) | 47.8 (49% (low)) |
| activity.commits_last_30d | 23 | - |
| adoption.dependent_repos | 65 | - |
| adoption.github_stars | 226 | - |
| 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":"A platform for running small code snippets that respond to events, automatically scaling from zero to handle demand without requiring manual infrastructure provisioning or management. Charges only for actual execution time. It is indexed under Serverless & Edge Platforms.","source":"https://cloud.google.com/functions","question":"What is Google Cloud Functions?","confidence":0.6},{"answer":"Google Cloud Functions offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Channel.V1/2.9.0/Google.Cloud.Channel.V1.RepricingAdjustment.AdjustmentOneofCase","question":"Is Google Cloud Functions free?","confidence":0.6},{"answer":"Google Cloud 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://cloud.google.com/dotnet/docs/reference/Google.Cloud.Channel.V1/2.9.0/Google.Cloud.Channel.V1.RepricingAdjustment.AdjustmentOneofCase","question":"What platforms does Google Cloud Functions support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Google Cloud Functions, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://cloud.google.com/functions","question":"Can Google Cloud Functions be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for Google Cloud Functions, including Google Cloud products, third-party services, Firebase, Stripe and Twilio. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://cloud.google.com/functions","question":"What does Google Cloud Functions integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Google Cloud Functions. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Google Cloud Functions not holding them. Always confirm compliance directly before you rely on it.","source":"https://cloud.google.com/java/docs/reference/google-cloud-os-config/2.39.0/com.google.cloud.osconfig.v1alpha.ListInstanceOSPoliciesCompliancesRequest.Builder","question":"What security certifications does Google Cloud Functions have?","confidence":0.7},{"answer":"Google Cloud Functions is available worldwide. Its primary market is the United States.","source":"https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Channel.V1/2.9.0/Google.Cloud.Channel.V1.RepricingAdjustment.AdjustmentOneofCase","question":"Where is Google Cloud Functions available?","confidence":0.5}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":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 fully managed serverless platform that executes your code in response to HTTP requests or cloud events, with automatic scaling and pricing based on actual execution duration. |
| 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":"Event-driven (Google Cloud products and third-party services)","cli_and_iac":true,"http_trigger":true,"scale_to_zero":true,"custom_runtime":true}` |
| integrations.count | 5 | 3 |
| 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":"Google Cloud products"},{"name":"third-party services"},{"name":"Firebase","native":true,"direction":"inbound"},{"name":"Google Cloud","native":true,"direction":"bidirectional"},{"name":"Stripe","native":false,"category":"payments","direction":"inbound"},{"name":"Twilio","native":false,"category":"communications","direction":"inbound"}]` |
| language.primary | JavaScript | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"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":"usage","plans":[{"free":true,"name":"Pay-as-you-go","features":["Pay only for execution time","No charges when idle","Automatic scaling"],"description":"All customers get two million requests and more free per month. New customers also get $300 in free credits. Billed for function execution time, metered to the nearest 100 milliseconds.","contactSales":false,"includedLimits":{"requests":"2M+/mo","execution_billing":"per 100ms"}}],"summary":"Usage-based pricing. Free tier: 2M+ requests/month. $300 free credits for new customers.","currency":"USD","freeTier":true,"sourceUrl":"https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Channel.V1/2.9.0/Google.Cloud.Channel.V1.RepricingAdjustment.AdjustmentOneofCase","retrievedAt":"2026-08-13T09:42:04.842Z","billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | low |
| pricing.transparent | yes | no |
| release.cadence_days | 6 | - |
| 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"}]` | - |
| reliability.status_page | yes | yes |
| security.gdpr | yes | yes |
| 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"}` | - |

## Capabilities (Serverless & Edge Platforms)

| Capability | Fastly Compute | Google Cloud Functions |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | WASM | - |
| Language / runtime breadth | JavaScript, with WebAssembly runtime support | - |
| **Reach** |  |  |
| Runs at global edge PoPs | ✓ | - |
| **Scale** |  |  |
| Scale to zero | - | ✓ |
| **Performance** |  |  |
| Cold-start profile | Low | - |
| **Limits** |  |  |
| Max execution duration | - | - |
| **Integration** |  |  |
| Event source breadth | - | Event-driven (Google Cloud products and third-party services) |
| 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 2026-10-16T20:10:33.940Z. "-" = undocumented, not absent.*