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Head-to-head · Infrastructure Policy as Code Tools

Open Policy Agent vs Firefly

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Open Policy Agent #3 in Infrastructure Policy as Code Tools 9.1/10 Open source ✓ 5 of 5 features Visit site
Firefly #7 in Infrastructure Policy as Code Tools 8.7/10 14-day trial Free trial✓ 0 of 5 features Visit Firefly

Open Policy Agent leads on 0 checks, Firefly 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 scoreOpen Policy Agent · 9.1/10
  • Free trialonly Firefly
  • Most featuresOpen Policy Agent · 5 of 5

Open Policy Agent scores higher on our rubric for infrastructure policy as code tools: 9.1 against 8.7 out of 10; our editors rank them #3 and #7.

Open Policy Agent is the better fit for teams building policy platforms. Firefly is the better fit for enterprise multi-cloud IaC governance.

  • Open Policy Agent fits best

    Teams building policy platforms

  • Firefly fits best

    Enterprise multi-cloud IaC governance

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 Open Policy Agent 9.1/10 Visit ↗ Firefly 8.7/10 Visit ↗
At a glance
Editor score 9.1 8.7
Ranking #3 in Infrastructure Policy as Code Tools #7 in Infrastructure Policy as Code Tools
Best for Teams building policy platforms Enterprise multi-cloud IaC governance
Pricing model Free Paid
Starting price Open source $2,499/mo
Free plan Not checked yet —
Free trial — 14 days
Deployment Self-hosted Cloud, Self-hosted
Support Community, Docs Email, Live chat, Docs
Integrations 5 integrations 20 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Open Policy Agent 5/5 · Firefly 0/5
Policy testing ✓ (best) Not checked yet
Admission control ✓ (best) Not checked yet
Runtime enforcement ✓ (best) Not checked yet
CI/CD integration ✓ (best) Not checked yet
Policy reporting ✓ (best) Not checked yet
Specs
Policy language Rego Not checked yet
IaC formats Terraform plan JSON, JSON, YAML Not checked yet
Our review
Pros
  • Rego supports declarative policy authoring and reusable rules
  • Covers Kubernetes, Terraform, CI/CD, APIs, and Go integrations
  • Includes testing, decision logging, and policy/data bundle loading
  • Orchestrates Terraform, OpenTofu, and Terragrunt workflows
  • Detects drift and supports automated remediation
  • Covers five clouds with policy-as-code and Git workflows
Cons
  • Requires teams to author policies in the Rego language
  • The supplied platform coverage is primarily API-based
  • Open-source delivery does not include paid hosted plans
  • Essential starts at $2,499 per month with annual billing
  • There is no free plan
  • Enterprise pricing is custom
Our verdict

Open Policy Agent (OPA) is an open-source, general-purpose policy engine that separates policy decisions from application logic. It is designed for teams building policy platforms across microservices, Kubernetes, CI/CD pipelines, API…

Read the review →

Firefly is a cloud infrastructure management platform for enterprise CloudOps, platform engineering, security, and governance teams. It combines infrastructure-as-code orchestration, cloud inventory, policy-as-code, state management, drift…

Read the review →
  1. Open Policy AgentInfrastructure Policy as Code Tools 9.1Open source
  2. FireflyInfrastructure Policy as Code Tools 8.714-day trial

Strengths and trade-offs

  • Open Policy Agent — where it wins

    • Rego supports declarative policy authoring and reusable rules
    • Covers Kubernetes, Terraform, CI/CD, APIs, and Go integrations
    • Includes testing, decision logging, and policy/data bundle loading

    Where it doesn't

    • Requires teams to author policies in the Rego language
    • The supplied platform coverage is primarily API-based
    • Open-source delivery does not include paid hosted plans

  • Firefly — where it wins

    • Orchestrates Terraform, OpenTofu, and Terragrunt workflows
    • Detects drift and supports automated remediation
    • Covers five clouds with policy-as-code and Git workflows

    Where it doesn't

    • Essential starts at $2,499 per month with annual billing
    • There is no free plan
    • Enterprise pricing is custom
  • Open Policy Agent9.1/10 · Open source

    A broad, programmable policy engine for teams building policy platforms.

    Visit siteFull verdict →
  • Firefly8.7/10 · 14-day trial

    Enterprise multi-cloud governance with orchestration, drift remediation, and policy controls.

    Visit FireflyFull verdict →

More comparisons

All infrastructure policy as code tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update