# Fission vs Google Cloud Functions

**Leader by vioscaleAI score:** Fission

| Attribute | Fission | Google Cloud Functions |
|---|---|---|
| **vioscaleAI score** | 53.5 (54% (medium)) | 47.8 (49% (low)) |
| activity.commits_last_30d | 60 | - |
| adoption.dependent_repos | 3 | - |
| adoption.github_stars | 8,933 | - |
| content.faq | `[{"answer":"Developers write short-lived functions that are triggered by HTTP requests or events, while the framework handles Kubernetes infrastructure management automatically. This eliminates the need to manually build containers or manage registries. It is indexed under Serverless & Edge Platforms.","source":"https://fission.io","question":"What is Fission?","confidence":0.6},{"answer":"Fission 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://fission.io","question":"Is Fission free to use?","confidence":0.6},{"answer":"Fission supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://fission.io","question":"What platforms does Fission support?","confidence":0.6},{"answer":"Yes. Fission can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://fission.io","question":"Can Fission be self-hosted?","confidence":0.6},{"answer":"We have confirmed 6 integrations for Fission, including Kubernetes, Istio, Fluentd, Prometheus, Grafana and MCP. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://fission.io","question":"What does Fission integrate with?","confidence":0.6},{"answer":"Yes. Fission 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/fission/fission","question":"Is Fission open source?","confidence":0.95}]` | `[{"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 | `{"self_hosted":true}` | `{"cloud":true}` |
| description.long | An open-source framework for building and deploying serverless functions on Kubernetes with automatic scaling. Supports multiple programming languages and can be triggered by HTTP requests, message queue events, and scheduled tasks. | 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":"both","triggers":"HTTP and event triggers","languages":"Python, NodeJS, Go, Rust, C#, PHP (extensible to any language)","cold_start":"provisioned","cli_and_iac":true,"http_trigger":true,"scale_to_zero":true,"custom_runtime":true,"scheduled_cron":true,"edge_distributed":false,"runtime_substrate":"container","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 | 6 | 3 |
| integrations.list | `[{"name":"Kubernetes"},{"name":"Istio"},{"name":"Fluentd"},{"name":"Prometheus"},{"name":"Grafana"},{"name":"MCP"}]` | `[{"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 | Go | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","summary":"Free, open source under Apache License","freeTier":true,"sourceUrl":"https://fission.io","retrievedAt":"2026-08-14T09:18:36.308Z"}` | `{"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 | open_source | freemium |
| pricing.price_level | free | low |
| pricing.transparent | yes | no |
| release.cadence_days | 24 | - |
| release.history | `[{"url":"https://github.com/fission/fission/releases/tag/v1.27.0","date":"2026-06-22T15:02:22Z","type":"stable","version":"v1.27.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.26.0","date":"2026-06-13T11:47:51Z","type":"prerelease","version":"v1.26.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.25.0","date":"2026-06-05T11:49:37Z","type":"stable","version":"v1.25.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.24.0","date":"2026-05-26T19:01:42Z","type":"prerelease","version":"v1.24.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.23.0","date":"2026-05-15T04:57:05Z","type":"stable","version":"v1.23.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.22.0","date":"2025-12-18T17:01:59Z","type":"stable","version":"v1.22.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.22.0-rc2","date":"2025-12-15T11:49:48Z","type":"prerelease","version":"v1.22.0-rc2"},{"url":"https://github.com/fission/fission/releases/tag/v1.21.0","date":"2025-01-25T16:56:09Z","type":"stable","version":"v1.21.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.21.0-rc2","date":"2025-01-24T05:32:02Z","type":"prerelease","version":"v1.21.0-rc2"},{"url":"https://github.com/fission/fission/releases/tag/v1.21.0-rc1","date":"2025-01-15T17:44:45Z","type":"prerelease","version":"v1.21.0-rc1"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.5","date":"2024-10-04T13:27:46Z","type":"stable","version":"v1.20.5"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.4","date":"2024-09-02T12:14:30Z","type":"stable","version":"v1.20.4"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.3","date":"2024-08-09T10:32:49Z","type":"stable","version":"v1.20.3"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.2","date":"2024-05-27T13:41:29Z","type":"stable","version":"v1.20.2"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.1","date":"2024-01-15T04:59:55Z","type":"stable","version":"v1.20.1"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.0","date":"2023-11-30T16:29:49Z","type":"stable","version":"v1.20.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.0-rc2","date":"2023-11-27T10:57:09Z","type":"prerelease","version":"v1.20.0-rc2"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.0-rc1","date":"2023-10-30T14:51:08Z","type":"prerelease","version":"v1.20.0-rc1"},{"url":"https://github.com/fission/fission/releases/tag/v1.19.0","date":"2023-05-19T04:32:34Z","type":"stable","version":"v1.19.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.19.0-rc2","date":"2023-05-12T06:15:59Z","type":"prerelease","version":"v1.19.0-rc2"}]` | - |
| reliability.status_page | - | yes |
| security.gdpr | - | yes |
| security.scorecard | 7.7 | - |
| security.vulnerabilities | `{"count":18,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Ffission%2Ffission&per_page=100","last_12m":18,"max_severity":"CRITICAL"}` | - |

## Capabilities (Serverless & Edge Platforms)

| Capability | Fission | Google Cloud Functions |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | Container | - |
| Language / runtime breadth | Python, NodeJS, Go, Rust, C#, PHP (extensible to any language) | - |
| **Reach** |  |  |
| Runs at global edge PoPs | ✗ | - |
| **Scale** |  |  |
| Scale to zero | ✓ | ✓ |
| **Performance** |  |  |
| Cold-start profile | Provisioned concurrency | - |
| **Limits** |  |  |
| Max execution duration | - | - |
| **Integration** |  |  |
| Event source breadth | HTTP and event triggers | 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 + self-hosted | Cloud + self-hosted |
| **Ops** |  |  |
| Built-in logs / metrics / tracing | ✓ | - |
| **Extensibility** |  |  |
| CLI + IaC / framework support | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-15T22:02:45.912Z. "-" = undocumented, not absent.*