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Head-to-head · Container Networking Software

Calico Open Source vs Amazon VPC CNI

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Calico Open Source #2 in Container Networking Software 9.2/10 Free plan Free plan✓ 5 of 5 features Visit Calico
Amazon VPC CNI #8 in Container Networking Software 8.2/10 Open source ✓ 3 of 5 features Visit Amazon VPC CNI

Calico Open Source leads on 0 checks, Amazon VPC CNI on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCalico Open Source · 9.2/10
  • Free planonly Calico Open Source
  • Most featuresCalico Open Source · 5 of 5

Calico Open Source scores higher on our rubric for container networking software: 9.2 against 8.2 out of 10; our editors rank them #2 and #8.

Calico Open Source is the better fit for free, full-featured Kubernetes networking. Amazon VPC CNI is the better fit for amazon EKS and native AWS networking.

  • Calico Open Source fits best

    Free, full-featured Kubernetes networking

  • Amazon VPC CNI fits best

    Amazon EKS and native AWS networking

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 Calico Open Source 9.2/10 Visit ↗ Amazon VPC CNI 8.2/10 Visit ↗
At a glance
Editor score 9.2 8.2
Ranking #2 in Container Networking Software #8 in Container Networking Software
Best for Free, full-featured Kubernetes networking Amazon EKS and native AWS networking
Pricing model Free Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Self-hosted Cloud, Self-hosted
Platforms Linux, Windows Linux, Windows
Support Community, Docs Community, Docs
Integrations 4 integrations 4 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Calico Open Source 5/5 · Amazon VPC CNI 3/5
CNI plugin ✓ ✓
Network policies ✓ ✓
Egress control ✓ ✓
Multi-cluster networking ✓ (best) Not checked yet
Encryption in transit ✓ (best) Not checked yet
Specs
Supported platforms Kubernetes, Linux, Windows, OpenStack, virtual machines, bare metal Kubernetes, Amazon EKS, Amazon EC2, Linux, Windows, IPv4, IPv6
Our review
Pros
  • Free and open source with CNI networking and policy enforcement
  • Supports eBPF, nftables, iptables, Windows, and VPP data planes
  • Adds WireGuard, cluster mesh, and Whisker traffic observability
  • Native VPC networking with ENI and Pod IP management
  • Supports IPv4, IPv6, prefix delegation, and custom networking
  • Adds Security Groups for Pods and Kubernetes NetworkPolicy support
Cons
  • Its breadth may exceed the needs of simpler Kubernetes deployments
  • Requires self-hosted operation across supported infrastructure
  • Advanced capabilities can add architectural and operational complexity
  • Network policy support must be enabled before use
  • Designed around AWS VPC, EC2, ENIs, and EKS
  • Its scope centers on AWS-native Kubernetes networking
Our verdict

Calico Open Source is an open-source container networking and security platform maintained by Tigera. It is designed for teams running Kubernetes or other CNI-compatible orchestrators that need networking, policy enforcement, encryption,…

Read the review →

Amazon VPC CNI is an open-source Kubernetes container networking plugin from Amazon Web Services. It assigns Pod IP addresses from an AWS VPC and connects Pods through Elastic Network Interfaces. The plugin is intended for Kubernetes…

Read the review →
  1. Calico Open SourceContainer Networking Software 9.2Free plan
  2. Amazon VPC CNIContainer Networking Software 8.2Open source

Strengths and trade-offs

  • Calico Open Source — where it wins

    • Free and open source with CNI networking and policy enforcement
    • Supports eBPF, nftables, iptables, Windows, and VPP data planes
    • Adds WireGuard, cluster mesh, and Whisker traffic observability

    Where it doesn't

    • Its breadth may exceed the needs of simpler Kubernetes deployments
    • Requires self-hosted operation across supported infrastructure
    • Advanced capabilities can add architectural and operational complexity

  • Amazon VPC CNI — where it wins

    • Native VPC networking with ENI and Pod IP management
    • Supports IPv4, IPv6, prefix delegation, and custom networking
    • Adds Security Groups for Pods and Kubernetes NetworkPolicy support

    Where it doesn't

    • Network policy support must be enabled before use
    • Designed around AWS VPC, EC2, ENIs, and EKS
    • Its scope centers on AWS-native Kubernetes networking
  • Calico Open Source9.2/10 · Free plan

    A free, broad Kubernetes networking stack with policy, encryption, and multi-cluster support.

    Visit CalicoFull verdict →
  • Amazon VPC CNI8.2/10 · Open source

    A native AWS networking plugin for Kubernetes clusters running on Amazon infrastructure.

    Visit Amazon VPC CNIFull verdict →

More comparisons

All container networking software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update