Head-to-head · Serverless Development Frameworks
Serverless Framework vs Apache OpenWhisk
Serverless Framework leads on 0 checks, Apache OpenWhisk on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreServerless Framework · 9.2/10
- Free planonly Serverless Framework
Serverless Framework scores higher on our rubric for serverless development frameworks: 9.2 against 8.8 out of 10; our editors rank them #1 and #3.
Serverless Framework is the better fit for teams deploying AWS serverless apps with YAML. Apache OpenWhisk is the better fit for teams building portable event-driven functions.
- Serverless Framework fits best
Teams deploying AWS serverless apps with YAML
- Apache OpenWhisk fits best
Teams building portable event-driven functions
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Side by side
| Feature | Serverless Framework 9.2/10 Visit ↗ | Apache OpenWhisk 8.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.8 |
| Ranking | #1 in Serverless Development Frameworks | #3 in Serverless Development Frameworks |
| Best for | Teams deploying AWS serverless apps with YAML | Teams building portable event-driven functions |
| Pricing model | Free plan + paid | Free |
| Starting price | $142/mo | Open source |
| Free plan | ✓ (best) | Not checked yet |
| Free trial | — | — |
| Deployment | Cloud, Self-hosted | Desktop, Self-hosted |
| Platforms | Web | Linux, macOS, Windows |
| Integrations | 3 integrations | 7 integrations |
| Features Serverless Framework 0/4 · Apache OpenWhisk 0/4 | ||
| Local testing | Not checked yet | Not checked yet |
| Application packaging | Not checked yet | Not checked yet |
| Kubernetes support | Not checked yet | Not checked yet |
| Deployment rollback | Not checked yet | Not checked yet |
| Specs | ||
| Deployment targets | Not checked yet | Not checked yet |
| Supported languages | Not checked yet | Not checked yet |
| Deployment model | Not checked yet | Not checked yet |
| Our review | ||
| Pros |
|
|
| Cons |
|
|
| Our verdict | Serverless Framework is an open-source command-line tool for defining and deploying serverless applications, with AWS Lambda as its primary target. Developers describe functions, event triggers, and related infrastructure in YAML, then… Read the review → |
Apache OpenWhisk is an open-source, distributed serverless platform for running functions in response to events or HTTP requests. Its model combines actions with triggers, rules, feeds, packages, and sequences, making it a fit for teams… Read the review → |
Strengths and trade-offs
Serverless Framework — where it wins
- Define functions, event triggers, and AWS resources in YAML and CloudFormation syntax.
- Deploy code and infrastructure from the CLI, which runs in your environment.
- Dashboard adds GitHub or Bitbucket CI/CD, secrets, and Lambda monitoring.
Where it doesn't
- Version 4 supports AWS; teams targeting other cloud providers need another option.
- Dashboard subscription pricing is credit-based, so $4 is not a fixed monthly entry price.
- Free CLI availability is subject to the vendor's annual-revenue threshold.
Apache OpenWhisk — where it wins
- Supports triggers, rules, feeds, sequences, and synchronous or asynchronous actions
- Offers multiple language runtimes plus custom Docker runtimes
- Deploys locally or on Kubernetes and includes REST API access
Where it doesn't
- Requires a self-managed deployment rather than a vendor-hosted paid service
- Management and deployment workflows center on the CLI and YAML manifests
- The published product details give limited development and deployment workflow guidance
- Serverless Framework9.2/10 · Free plan
An open-source, YAML-driven AWS framework with optional hosted deployment and monitoring tools.
Visit siteFull verdict → - Apache OpenWhisk8.8/10 · Open source
A portable, self-managed framework for event-driven functions, with Kubernetes and Docker support.
Try Apache OpenWhiskFull verdict →
More comparisons
- Serverless Framework vs AWS Serverless Application Model (AWS SAM)
- Serverless Framework vs Spring Cloud Function
- Serverless Framework vs Quarkus
- Serverless Framework vs OpenFaaS
- Serverless Framework vs Fission
- Serverless Framework vs Fn Project
- AWS Serverless Application Model (AWS SAM) vs Apache OpenWhisk
- Apache OpenWhisk vs Spring Cloud Function
All serverless development frameworks comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update




