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Pulumi vs OpenTofu
Trust Score comparison · March 2026
Signal Comparison
400k / wknpm downloads600k+
300 commitsCommits (90d)250 commits
23k ★GitHub stars24k ★
2k q'sStack Overflow300 q's
GrowingCommunityGrowing
PulumiOpenTofu
Key Differences
| Factor | Pulumi | OpenTofu |
|---|---|---|
| License | Apache 2.0 | MPL 2.0 |
| Language | TypeScript / Python | Go |
| Hosted | Self-hosted | Self-hosted |
| Free tier | — | — |
| Open Source | ✓ Yes | ✓ Yes |
| TypeScript | ✓ | — |
Pick Pulumi if…
- Teams who prefer TypeScript or Python over Terraform's HCL DSL
- Complex infrastructure with loops, conditionals, and shared logic hard to express in YAML
- Multi-cloud deployments where one codebase manages AWS, GCP, and Azure
Pick OpenTofu if…
- Existing Terraform users who want a truly open-source, community-governed IaC tool
- Avoiding HashiCorp's BSL license restrictions on Terraform 1.6+
- Teams that want the Terraform ecosystem with an open governance model
Side-by-side Quick Start
Pulumi
import * as aws from '@pulumi/aws';
const bucket = new aws.s3.Bucket('my-bucket', {
acl: 'private',
tags: { Environment: 'production' },
});
export const bucketName = bucket.id;OpenTofu
# Install OpenTofu
brew install opentofu
# main.tf (Terraform-compatible syntax)
resource "aws_s3_bucket" "example" {
bucket = "my-tf-test-bucket"
}
tofu init && tofu plan && tofu applyCommunity Verdict
Based on upvoted notes🏆
Pulumi wins this comparison
Trust Score 82 vs 78 · 4-point difference
Pulumi leads on Trust Score with stronger signal data across downloads and community health. That said, the other tool is worth considering if your use case matches its specific strengths above.