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Head-to-head · Network Testing Software

Invariant vs Batfish

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Invariant #5 in Network Testing Software 8.8/10 Free plan Free plan✓ 2 of 2 features Visit Invariant
Batfish #6 in Network Testing Software 8.7/10 Open source ✓ 0 of 2 features Visit Batfish

Invariant leads on 0 checks, Batfish on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreInvariant · 8.8/10
  • Free planonly Invariant
  • Most featuresInvariant · 2 of 2

Invariant scores higher on our rubric for network testing software: 8.8 against 8.7 out of 10; our editors rank them #5 and #6.

On deployment, Invariant gives you Hybrid where Batfish offers Self_hosted.

Invariant is the better fit for free network change and policy validation. Batfish is the better fit for multi-vendor configuration analysis.

  • Invariant fits best

    Free network change and policy validation

  • Batfish fits best

    Multi-vendor configuration analysis

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 Invariant 8.8/10 Visit ↗ Batfish 8.7/10 Visit ↗
At a glance
Editor score 8.8 8.7
Ranking #5 in Network Testing Software #6 in Network Testing Software
Best for Free network change and policy validation Multi-vendor configuration analysis
Pricing model Free plan + paid Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Desktop, Self-hosted Self-hosted
Platforms Web Windows, macOS, Linux
Support Email, Community, Docs Community, Docs
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Invariant 2/2 · Batfish 0/2
Scheduled tests ✓ (best) Not checked yet
API access ✓ (best) Not checked yet
Specs
Deployment Hybrid Self_hosted
Test methods Not checked yet Not checked yet
Protocol support BGP, OSPF, IPSec, NAT, policy-based routing, VPN, ACL, VLAN Not checked yet
Distributed agents Not checked yet Not checked yet
Our review
Pros
  • Builds a cross-vendor digital twin from configuration files
  • Validates connectivity, security policies, and proposed changes
  • Includes virtual traceroutes, snapshots, alerts, and CI/CD integrations
  • Models network behavior across many vendors
  • Checks reachability, paths, security policies and compliance
  • Analyzes failure impact before configuration changes go live
Cons
  • Access is limited to web and API platforms
  • Hybrid deployment requires a local client or automation agent
  • Not open source
  • Self-hosted deployment requires operational ownership
  • Focused on configuration validation rather than live monitoring
  • Aruba, Dell Force10 and Foundry support is limited
Our verdict

Invariant is a network analysis platform for network and security teams. It builds a cross-vendor digital twin from network configuration files, then checks connectivity requirements, security policies, routing behavior, and proposed…

Read the review →

Batfish is an open-source, self-hosted tool for analyzing network-device configurations before deployment and reviewing deployed configurations. It is aimed at network teams that need vendor-independent behavior modeling across physical…

Read the review →
  1. InvariantNetwork Testing Software 8.8Free plan
  2. BatfishNetwork Testing Software 8.7Open source

Strengths and trade-offs

  • Invariant — where it wins

    • Builds a cross-vendor digital twin from configuration files
    • Validates connectivity, security policies, and proposed changes
    • Includes virtual traceroutes, snapshots, alerts, and CI/CD integrations

    Where it doesn't

    • Access is limited to web and API platforms
    • Hybrid deployment requires a local client or automation agent
    • Not open source

  • Batfish — where it wins

    • Models network behavior across many vendors
    • Checks reachability, paths, security policies and compliance
    • Analyzes failure impact before configuration changes go live

    Where it doesn't

    • Self-hosted deployment requires operational ownership
    • Focused on configuration validation rather than live monitoring
    • Aruba, Dell Force10 and Foundry support is limited

More comparisons

All network testing software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update