# Karpenter

Hacker Approved page: https://hackerapproved.com/p/karpenter/

9 people recommended Karpenter in Hacker News comments, 1 had mixed feelings and none criticized it, November 2025 to October 2026. It was recommended in 6 of 12 months, in 8 threads. It does not meet the Hacker Approved badge rule.

**Verdict:** Open-source Kubernetes node autoscaler that creates and removes nodes to fit current demand, and people say it spins up new compute almost instantly.

Summary written by Claude from 8 comments.

## Why people recommend it

- Scales nodes up and down with demand (2 comments in the sample): "scaling / autoscaling so easy now with karpenter to create/destroy nodes to fit current demand" ([source](https://news.ycombinator.com/item?id=45925157)) "In the cloud you can use cluster autoscaler or karpenter to automatically handle the unhomed pods however." ([source](https://news.ycombinator.com/item?id=47970273))
- Provisions new compute almost instantly (1 comment in the sample): "it spins up new compute resources near instantly" ([source](https://news.ycombinator.com/item?id=45956464))

## The badge

A product earns the Hacker Approved badge when at least 10 people recommend it, recommenders outnumber critics at least 2 to 1 (mixed feelings count toward neither side), it was recommended in at least 4 of the 12 months and in at least 5 different threads, and no single thread supplies more than half of the people who recommend it. Health and money products are never badged.

## Cite as

Hacker Approved, "Karpenter", https://hackerapproved.com/p/karpenter/ (9 recommend, 1 mixed, 0 criticize; Hacker News comments, November 2025 to October 2026).

Counts updated 2 Nov 2026, with data through October 31, 2026.