Knock vs Pulumi: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
Knock positions itself as "notification infrastructure for developers" while Pulumi goes after "infrastructure as code in python, typescript, go, and more" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Knock charges per message while Pulumi charges per resource — a meaningful difference for larger teams.
At a glance
| Knock | Pulumi | |
|---|---|---|
| Our score | 84/100 | 76/100 |
| Starting price | Free | Free |
| Free tier | Yes | Yes |
| Best for | Notification infrastructure for developers | Infrastructure as code in Python, TypeScript, Go, and more |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | Knock | Pulumi |
|---|---|---|
| Multi-channel notifications | Yes | No |
| Workflow builder | Yes | No |
| User preferences | Yes | No |
| In-app feed | Yes | No |
| Template management | Yes | No |
| General-purpose language (TS/Python/Go) | No | Yes |
| State management | No | Yes |
| Diffs and previews | No | Yes |
| Stacks | No | Yes |
| Provider ecosystem | No | Yes |
Ratings breakdown
What the data tells us
Key capabilities you'd miss
Choosing Knock means going without General-purpose language (TS/Python/Go), State management, Diffs and previews (which Pulumi offers). Choosing Pulumi means losing Multi-channel notifications, Workflow builder, User preferences. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
What company size tells you
Pulumi (51-200 employees) has the engineering bench to ship features across many fronts but may iterate slower on individual requests. Knock (1-10 employees) typically ships faster on its core product but may lag on peripheral features. Consider which matters more for your roadmap.
Choose Knock if...
- You want a free tier to get started
- You value an intuitive, easy-to-use interface
- Getting strong value for money is a priority
Choose Pulumi if...
- You want a free tier to get started
- You value powerful features over simplicity
- You need enterprise-grade capabilities
Frequently asked questions
Is Knock or Pulumi better?
Knock scores 84/100 compared to Pulumi's 76/100 on VendorVS. However, the best choice depends on your needs — Knock excels at ease of use (9/10) while Pulumi scores 7/10.
How much does Knock cost compared to Pulumi?
Knock starts at free (free tier available). Pulumi starts at free (free tier available). Knock is the more affordable option.
Does Knock or Pulumi have a free plan?
Yes, both Knock and Pulumi offer free tiers, so you can try each before committing to a paid plan.
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