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AWS CloudFormation vs OpenTofu(2026)

AWS CloudFormation is better for teams that need free to use. OpenTofu is the stronger choice if truly open source. AWS CloudFormation is free (from $0) and OpenTofu is open-source (from $0).

Full feature breakdown, pricing details, and pros & cons below.

By Bikram Nath

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AWS CloudFormation logo

AWS CloudFormation

free

AWS CloudFormation is Amazon's native IaC service — define AWS resources in JSON or YAML templates and CloudFormation handles provisioning, updating, and deleting with drift detection.

Starting at $0

Visit AWS CloudFormation
OpenTofu logo

OpenTofu

open-source

OpenTofu is the Linux Foundation's truly open-source fork of Terraform — created after HashiCorp changed Terraform's license to BSL, offering full Terraform compatibility under MPL 2.0.

Starting at $0

Visit OpenTofu

How Do AWS CloudFormation and OpenTofu Compare on Features?

FeatureAWS CloudFormationOpenTofu
Pricing modelfreeopen-source
Starting price$0$0
JSON + YAML templates✓—
AWS-native✓—
Drift detection✓—
Rollback on failure✓—
StackSets (multi-account)✓—
Change sets✓—
CDK backend✓—
Terraform-compatible (HCL)—✓
MPL 2.0 license—✓
State encryption—✓
Provider compatibility—✓
Linux Foundation governance—✓
Growing community—✓
Module registry—✓

AWS CloudFormation Pros and Cons vs OpenTofu

A

AWS CloudFormation

+Free to use
+AWS-native (no state file)
+Deep AWS integration
+Enterprise support via AWS
−AWS only
−YAML/JSON can be verbose
−Slow stack operations
−Limited multi-cloud
O

OpenTofu

+Truly open source
+Drop-in Terraform replacement
+Linux Foundation backing
+Growing rapidly
−Smaller ecosystem than Terraform
−Less tooling than Terraform Cloud
−Newer (less battle-tested)

Should You Use AWS CloudFormation or OpenTofu?

For most teams, AWS CloudFormation is the better default: it offers free to use and is free (from $0). Choose OpenTofu instead if truly open source matters more than aws only. There is no universal winner — the right pick depends on your budget, team size, and whether you value free to use or truly open source more.

Choose AWS CloudFormation if…

  • •Free to use
  • •AWS-native (no state file)
  • •Deep AWS integration

Choose OpenTofu if…

  • •Truly open source
  • •Drop-in Terraform replacement
  • •Linux Foundation backing

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