Comparison

Knative vs OpenFaaS

On the evidence we track, Knative leads this comparison with a composite score of 55/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Knative full profile →OpenFaaS full profile →

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★Knative55

OpenFaaS41

Attribute comparison across 2 tools
Attribute	KnativeLeader	OpenFaaS
Vioscale score	55 / 100medium · 54%	41 / 100low · 42%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	commercial
Price levelpricing.price_level	free	low
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	5	20
Security
Disclosure policysecurity.disclosure_policy	✓	-
Scorecardsecurity.scorecard	8	4.3
Vulnerabilitiessecurity.vulnerabilities	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=knative.dev%2Fserving&per_page=100 · Last 12m: 0 · Max severity: MODERATE	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fopenfaas%2Ffaas&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	446	55
Github starsadoption.github_stars	6,086	26,231
Activity
Commits last 30dactivity.commits_last_30d	11	0
Release
Cadence daysrelease.cadence_days	6	136
Historyrelease.history	20 items	5 items
License
Spdxlicense.spdx	Apache-2.0	-
Language
Primarylanguage.primary	Go	Go
Market
Availabilitymarket.availability	-	Available worldwide · HQ GB

Score

Vioscale score

Knative55 / 100medium · 54%

OpenFaaS41 / 100low · 42%

Pricing

Free tier

Knative✓

OpenFaaS✓

Model

Knativeopen_source

OpenFaaScommercial

Price level

Knativefree

OpenFaaSlow

Transparent

Knative✓

OpenFaaS✓

Integrations

Count

Knative5

OpenFaaS20

Security

Disclosure policy

Knative✓

OpenFaaS–

Scorecard

Knative8

OpenFaaS4.3

Vulnerabilities

KnativeCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=knative.dev%2Fserving&per_page=100 · Last 12m: 0 · Max severity: MODERATE

OpenFaaSCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fopenfaas%2Ffaas&per_page=100 · Last 12m: 0

Adoption

Dependent repos

Knative446

OpenFaaS55

Github stars

Knative6,086

OpenFaaS26,231

Activity

Commits last 30d

Knative11

OpenFaaS0

Release

Cadence days

Knative6

OpenFaaS136

History

Knative20 items

OpenFaaS5 items

License

Spdx

KnativeApache-2.0

OpenFaaS–

Language

Primary

KnativeGo

OpenFaaSGo

Market

Availability

Knative–

OpenFaaSAvailable worldwide · HQ GB

Capabilities

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

Capability comparison for Serverless & Edge Platforms
Capability	Knative	OpenFaaS
Core
Execution substrate	Container	-
Language / runtime breadth	Any language via containerized HTTP/gRPC services	extensive language support
Reach
Runs at global edge PoPs	-	-
Scale
Scale to zero	✓	-
Performance
Cold-start profile	High (VM / container)	-
Limits
Max execution duration	-	extended execution timeouts
Integration
Event source breadth	HTTP, CloudEvents, Kubernetes event sources	-
HTTP endpoint trigger	✓	-
Cron / scheduled invocations	-	-
State
Durable state / workflow primitive	-	-
Flexibility
Bring-your-own runtime / container	✓	✓
Deployment
Hosting	Self-hosted only	Cloud + self-hosted
Ops
Built-in logs / metrics / tracing	✓	-
Extensibility
CLI + IaC / framework support	✓	-

Core

Execution substrate

KnativeContainer

OpenFaaS-

Language / runtime breadth

KnativeAny language via containerized HTTP/gRPC services

OpenFaaSextensive language support

Reach

Runs at global edge PoPs

Knative-

OpenFaaS-

Scale

Scale to zero

Knative✓

OpenFaaS-

Performance

Cold-start profile

KnativeHigh (VM / container)

OpenFaaS-

Limits

Max execution duration

Knative-

OpenFaaSextended execution timeouts

Integration

Event source breadth

KnativeHTTP, CloudEvents, Kubernetes event sources

OpenFaaS-

HTTP endpoint trigger

Knative✓

OpenFaaS-

Cron / scheduled invocations

Knative-

OpenFaaS-

State

Durable state / workflow primitive

Knative-

OpenFaaS-

Flexibility

Bring-your-own runtime / container

Knative✓

OpenFaaS✓

Deployment

Hosting

KnativeSelf-hosted only

OpenFaaSCloud + self-hosted

Ops

Built-in logs / metrics / tracing

Knative✓

OpenFaaS-

Extensibility

CLI + IaC / framework support

Knative✓

OpenFaaS-

What each one is

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

Knative

Leader

Open-source platform for deploying and auto-scaling containerized serverless applications on Kubernetes with integrated event routing and HTTP/gRPC serving.

Independently observed

OpenFaaS

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.

Independently observed

Pricing

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

Knative

Leader

Open sourceFree tier

as of 2026-08-14verify ↗

OpenFaaS

from $1250/moHybridFree tier14-day trial

Community Edition free; Standard from $1,250/month with 14-day trial; Enterprise custom pricing

Community EditionFree
- 15 functions
- 1 namespace
- Public repositories only
- Basic autoscaling up to 5/5 replicas
- Basic metrics & observability
- +3 more
OpenFaaS Standard$1,250/month
- 500 functions
- 1 namespace
- Private registries for functions
- Fine-tuned autoscaling for RPS, Capacity & CPU
- Scale to Zero
- +9 more
OpenFaaS for EnterprisesContact sales
- 5000 functions per namespace
- Unlimited namespaces
- Multi-tenancy with secure isolation (gVisor)
- Function Builder API (REST)
- Dedicated async queues (JetStream)
- +9 more

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	Knative	OpenFaaS
LinuxPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✓	✓

Platforms

Linux

Knative✗

OpenFaaS✓

CLI

Knative✓

OpenFaaS✓

Deployment

Cloud / SaaS

Knative✗

OpenFaaS✓

Self-hosted

Knative✓

OpenFaaS✓

On-premise

Knative✓

OpenFaaS✓

Integrations

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

In common (2)

AWS SQS
Istio

Knative

Leader

5 total - 3 not shared

AWS S3
AWS DynamoDB Streams
Apache Camel

Independently observed

OpenFaaS

20 total - 18 not shared

Apache Kafka
AWS SNS
GCP Pub/Sub
RabbitMQ
PostgreSQL
MQTT
Cron
Grafana
Linkerd
NATS JetStream
GitHub
Slack
Salesforce
Zoom
Google Docs
Gmail
DigitalOcean
Crunchbase

Independently observed

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