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Head-to-head · IaC Security Scanners

Pulumi vs TFLint

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Pulumi #4 in IaC Security Scanners 8.5/10 Free plan · paid from $40/mo Free plan✓ 2 of 5 features Visit Pulumi
TFLint #8 in IaC Security Scanners 7.8/10 Free plan Free plan✓ 0 of 5 features Visit TFLint

Pulumi leads on 2 checks, TFLint on 0, and 1 is 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 scorePulumi · 8.5/10
  • Free planboth
  • Most featuresPulumi · 2 of 5

Pulumi scores higher on our rubric for iac security scanners: 8.5 against 7.8 out of 10; our editors rank them #4 and #8.

Pulumi offers drift detection; TFLint doesn't publish it. Pulumi offers open-source option; TFLint doesn't publish it.

Pulumi is the better fit for iaC teams needing policy and drift management. TFLint is the better fit for terraform linting and provider best practices.

  • Pulumi fits best

    IaC teams needing policy and drift management

  • TFLint fits best

    Terraform linting and provider best practices

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Pulumi 8.5/10 Visit ↗ TFLint 7.8/10 Visit ↗
At a glance
Editor score 8.5 7.8
Ranking #4 in IaC Security Scanners #8 in IaC Security Scanners
Best for IaC teams needing policy and drift management Terraform linting and provider best practices
Pricing model Free plan + paid Free
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Self-hosted, Desktop
Platforms Web, Windows, macOS, Linux Windows, macOS, Linux
Support Tickets, Community, Docs Docs, Community
Integrations 8 integrations 2 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Pulumi 2/5 · TFLint 0/5
Custom policies Not published Not published
CI/PR integration Not published Not published
Fix suggestions Not published Not published
Drift detection ✓ (best) Not published
Open-source option ✓ (best) Not published
Specs
IaC frameworks Not published Not published
Our review
Pros
  • Define infrastructure in TypeScript, Python, Go, .NET, Java, or YAML
  • Centralize policy enforcement across cloud and Kubernetes resources
  • Import infrastructure and schedule drift detection with remediation
  • Checks Terraform syntax, semantics, deprecated syntax, and unused declarations.
  • Adds AWS, Azure, and Google Cloud rules through a plugin-based architecture.
  • Offers JSON, Checkstyle, JUnit, compact, and SARIF output plus automatic fixing.
Cons
  • The Free plan is limited to 1 user and advisory policy is on Essentials
  • Preventative policies and drift remediation require the $400/month Pro plan
  • Enterprise pricing is contract-based, and self-hosting has edition requirements
  • Scans Terraform rather than multiple infrastructure-as-code languages.
  • Does not provide configuration compliance or provisioning and deployed tests.
  • Support is through documentation and community channels.
Our verdict

Pulumi combines infrastructure as code with cloud resource management and governance. Developers and platform teams can define infrastructure in TypeScript, JavaScript, Python, Go, .NET, Java, or YAML, and work across AWS, Azure, Google…

Read the review →

TFLint is a command-line linter for developers and infrastructure teams maintaining Terraform configurations. It checks syntax and semantics, flags deprecated syntax and unused declarations, and can identify invalid resource settings and…

Read the review →
  1. PulumiIaC Security Scanners 8.5Free plan · paid from $40/mo
  2. TFLintIaC Security Scanners 7.8Free plan

Strengths and trade-offs

  • Pulumi — where it wins

    • Define infrastructure in TypeScript, Python, Go, .NET, Java, or YAML
    • Centralize policy enforcement across cloud and Kubernetes resources
    • Import infrastructure and schedule drift detection with remediation

    Where it doesn't

    • The Free plan is limited to 1 user and advisory policy is on Essentials
    • Preventative policies and drift remediation require the $400/month Pro plan
    • Enterprise pricing is contract-based, and self-hosting has edition requirements

  • TFLint — where it wins

    • Checks Terraform syntax, semantics, deprecated syntax, and unused declarations.
    • Adds AWS, Azure, and Google Cloud rules through a plugin-based architecture.
    • Offers JSON, Checkstyle, JUnit, compact, and SARIF output plus automatic fixing.

    Where it doesn't

    • Scans Terraform rather than multiple infrastructure-as-code languages.
    • Does not provide configuration compliance or provisioning and deployed tests.
    • Support is through documentation and community channels.
  • Pulumi8.5/10 · Free plan · paid from $40/mo

    A code-first IaC platform whose policy and drift controls deepen on paid plans.

    Visit PulumiFull verdict →
  • TFLint7.8/10 · Free plan

    A free, local Terraform linter with cloud-provider rules, plugins, and autofixing.

    Visit TFLintFull verdict →

More comparisons

All IaC security scanners comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update