Comparison

Fission vs Google Cloud Functions

On the evidence we track, Fission leads this comparison with a composite score of 54/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Fission full profile →Google Cloud Functions full profile →

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★Fission54

Google Cloud Functions48

Attribute comparison across 2 tools
Attribute	FissionLeader	Google Cloud Functions
vioscaleAI score	54 / 100medium · 54%	48 / 100low · 49%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	freemium
Price levelpricing.price_level	free	low
Transparentpricing.transparent	✓	✗
Integrations
Countintegrations.count	6	3
Security
Gdprsecurity.gdpr	-	✓
Scorecardsecurity.scorecard	7.7	-
Vulnerabilitiessecurity.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	-
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	3	-
Github starsadoption.github_stars	8,933	-
Activity
Commits last 30dactivity.commits_last_30d	60	-
Release
Cadence daysrelease.cadence_days	24	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	Apache-2.0	-
Language
Primarylanguage.primary	Go	-
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US
Content
Faqcontent.faq	6 items	7 items

Score

vioscaleAI score

Fission54 / 100medium · 54%

Google Cloud Functions48 / 100low · 49%

Pricing

Free tier

Fission✓

Google Cloud Functions✓

Model

Fissionopen_source

Google Cloud Functionsfreemium

Price level

Fissionfree

Google Cloud Functionslow

Transparent

Fission✓

Google Cloud Functions✗

Integrations

Count

Fission6

Google Cloud Functions3

Security

Gdpr

Fission–

Google Cloud Functions✓

Scorecard

Fission7.7

Google Cloud Functions–

Vulnerabilities

FissionCount: 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

Google Cloud Functions–

Reliability

Status page

Fission–

Google Cloud Functions✓

Adoption

Dependent repos

Fission3

Google Cloud Functions–

Github stars

Fission8,933

Google Cloud Functions–

Activity

Commits last 30d

Fission60

Google Cloud Functions–

Release

Cadence days

Fission24

Google Cloud Functions–

History

Fission20 items

Google Cloud Functions–

License

Spdx

FissionApache-2.0

Google Cloud Functions–

Language

Primary

FissionGo

Google Cloud Functions–

Market

Availability

Fission–

Google Cloud FunctionsAvailable worldwide · Popular in US

Content

Faq

Fission6 items

Google Cloud Functions7 items

Capabilities

Feature-by-feature on the axes that matter for serverless & edge platforms. “-” means undocumented, not absent.

Capability comparison for 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	✓	✓

Core

Execution substrate

FissionContainer

Google Cloud Functions-

Language / runtime breadth

FissionPython, NodeJS, Go, Rust, C#, PHP (extensible to any language)

Google Cloud Functions-

Reach

Runs at global edge PoPs

Fission✗

Google Cloud Functions-

Scale

Scale to zero

Fission✓

Google Cloud Functions✓

Performance

Cold-start profile

FissionProvisioned concurrency

Google Cloud Functions-

Limits

Max execution duration

Fission-

Google Cloud Functions-

Integration

Event source breadth

FissionHTTP and event triggers

Google Cloud FunctionsEvent-driven (Google Cloud products and third-party services)

HTTP endpoint trigger

Fission✓

Google Cloud Functions✓

Cron / scheduled invocations

Fission✓

Google Cloud Functions-

State

Durable state / workflow primitive

Fission-

Google Cloud Functions-

Flexibility

Bring-your-own runtime / container

Fission✓

Google Cloud Functions✓

Deployment

Hosting

FissionCloud + self-hosted

Google Cloud FunctionsCloud + self-hosted

Ops

Built-in logs / metrics / tracing

Fission✓

Google Cloud Functions-

Extensibility

CLI + IaC / framework support

Fission✓

Google Cloud Functions✓

What each one is

The product in its own terms, so the numbers below have context.

Fission

Leader

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.

Independently observed

Google Cloud Functions

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Fission

Leader

Open sourceFree tier

Free, open source under Apache License

as of 2026-08-14verify ↗

Google Cloud Functions

Usage-basedFree tier

Usage-based pricing. Free tier: 2M+ requests/month. $300 free credits for new customers.

Pay-as-you-goFree
- Pay only for execution time
- No charges when idle
- Automatic scaling

as of 2026-08-13verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Fission	Google Cloud Functions
WebPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✗

Platforms

Web

Fission✗

Google Cloud Functions✓

CLI

Fission✓

Google Cloud Functions✓

Deployment

Cloud / SaaS

Fission✗

Google Cloud Functions✓

Self-hosted

Fission✓

Google Cloud Functions✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Fission

Leader

6 total

Kubernetes
Istio
Fluentd
Prometheus
Grafana
MCP

Independently observed

Google Cloud Functions

6 total

Google Cloud products
third-party services
Firebase
Google Cloud
Stripe
Twilio

Independently observed

Still deciding?

Fission or Google Cloud Functions: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.