Latchkey vs WarpBuild
WarpBuild and Latchkey both sell managed GitHub Actions runners that replace ubuntu-latest with one line of YAML. WarpBuild also sells a bring-your-own-cloud mode that is the cheapest published per-minute figure in the category, and is cheaper than Latchkey if you are willing to own the cloud account underneath it.
The short answer
On managed x86-64 Linux, the class most CI still runs on, WarpBuild lists $0.004 per minute against the Latchkey rate of $0.0025. BYOC is cheaper per minute but it is not the same product: you are back to owning the account, the capacity and the security review, and the per-minute figure excludes the compute you then pay for yourself. Neither WarpBuild mode repairs a failing job, so a transient registry timeout costs you the burned minutes plus a re-run.
Head to head
| What you are comparing | Latchkey | WarpBuild |
|---|---|---|
| 2 vCPU / 8 GB Linux x86-64, list rateBoth are published list prices for managed runners of the same class. | $0.0025/min | $0.004/min |
| Bring-your-own-cloud rateThe lowest published per-minute figure in the category, but it buys orchestration only. The instance cost, the capacity planning and the security review stay with you. | Not offered | $0.002/min plus your own compute bill |
| 2 vCPU Linux arm64, list rate | Not offered | $0.003/min |
| Windows and macOS runners | Not offered | Offered |
| Fixes failing builds on the runnerNetwork timeouts, OOM kills, disk-full errors, missing tools and config drift are repaired mid-run. Real failures in your code still fail, with the original logs. | Yes, on by default, no separate charge | No |
| Cost and performance analytics | Built in | Not published |
| Switching cost | One line of YAML | One line of YAML |
WarpBuild figures are list prices published at www.warpbuild.com/pricing, read on August 2026. Latchkey figures are our own published list rates. Prices change: check both pages before you decide, and tell us if anything here has gone stale.
Which one you should pick
Switching takes one line
Point runs-on at a Latchkey label. Your steps, actions, secrets, and matrix stay exactly as they are.
jobs:
build:
- runs-on: ubuntu-latest
+ runs-on: latchkey-medium
steps:
- uses: actions/checkout@v4Questions about Latchkey and WarpBuild
Is Latchkey cheaper than WarpBuild?
On managed x86-64 Linux, yes: Latchkey lists $0.0025 per minute for a 2 vCPU / 8 GB runner against the published WarpBuild rate of $0.004 for the same class. Against WarpBuild BYOC at $0.002 per minute, no on the line item, but that figure covers orchestration only and you pay your own cloud bill for the machines underneath, so the comparison is not like for like.
What is WarpBuild BYOC, and is it worth it?
Bring-your-own-cloud runs the runners inside your own cloud account while WarpBuild handles orchestration, billed at $0.002 per minute. It is worth it if you already hold committed cloud spend and have someone who owns capacity planning, quotas and the security review of machines that check out your source. It is not worth it if the reason you are shopping for managed runners is that you no longer want to own those things.
What can Latchkey do that WarpBuild cannot?
Repair a failing build without a human. Latchkey runners run a self-healing agent that diagnoses the failure on the machine, applies the fix and retries the step, so transient failures such as registry timeouts, OOM kills and disk-full errors never reach a person. WarpBuild is a fast managed runner in both modes; neither attempts to fix the job it is running.
What can WarpBuild do that Latchkey cannot?
Run arm64, Windows and macOS jobs, and run the runners inside your own cloud account. Latchkey runners are x86-64 Ubuntu 24.04 today and are always hosted by us. If you need another architecture or OS, or a contractual requirement puts the machines in your account, WarpBuild covers ground we do not.
How hard is it to move from WarpBuild to Latchkey?
It is the same one-line change you made to adopt WarpBuild: point runs-on at a Latchkey label. Your steps, actions, secrets, services and matrix stay exactly as they are, because both products are drop-in replacements for GitHub-hosted runners rather than new pipeline formats.