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OpenRunners vs WarpBuild
WarpBuild offers hosted GitHub Actions runners across Linux, Windows and macOS, a bring-your-own-cloud option, snapshots, remote Docker builders and a hosted MCP server.
Side by side
The facts, sourced.
WarpBuild values come from its public pages, accessed 2026-10-14. OpenRunners values come from its published pricing policy and product limits.
| Attribute | OpenRunners | WarpBuild |
|---|---|---|
| Linux x64 $/vCPU-minute | $0.0020 (planned) | $0.0020 |
| Linux arm64 $/vCPU-minute | Not offered | $0.0015 |
| Billing unit | Per second, 10-second minimum (planned) | Per minute |
| Free tier | None; discretionary one-time alpha credits | Free usage or credit limit before a card is required |
| Fixed fees | None | None; SAML SSO $250/month |
| Isolation | Firecracker + jailer microVM per job (design target, in validation) | Ephemeral VMs; hypervisor not named |
| Cache | Serverless cache plane on object storage (in validation) | $0.20/GB-month plus $0.0001 per cache operation |
| Source license | Apache-2.0; source publication follows release review | Closed platform; some tools are open source |
| Agent tooling | JSON CLI, REST API, two-tool MCP server from one registry | Hosted MCP server and REST API |
| Operating systems | Linux x64 only | Linux x64 and arm64, Windows, macOS |
| Example month (4 vCPU, 50,000 job-minutes) | $400 | $400 |
Source: warpbuild.com/pricing (accessed 2026-10-14). List rate. Example month excludes free tiers, credits and rounding. Tell us at [email protected] if a value is out of date.
Choosing
Which one fits your team.
Choose WarpBuild when
- You want to run in your own AWS, GCP or Azure account today.
- You need arm64, Windows or macOS runners, or VM snapshots.
- You want queue-time and right-sizing reports now.
Where OpenRunners differs
- OpenRunners plans per-second billing; WarpBuild bills per minute.
- OpenRunners plans cache pricing by stored GB only, with no per-operation fee.
- OpenRunners is licensed under Apache-2.0 and designed to be self-hosted.
- OpenRunners is an invite-only alpha with customer admission closed; WarpBuild is generally available.
Migration
One line per job.
After your organization is admitted and a repository is selected, change the runs-on label. Workflow syntax does not change.
jobs:
build:
- runs-on: <your WarpBuild label>
+ runs-on: openrunners-4vcpu-ubuntu-2404FAQ
OpenRunners and WarpBuild.
No. WarpBuild and the planned OpenRunners x64 rate are both $0.0020 per vCPU-minute. WarpBuild lists arm64 at $0.0015; OpenRunners does not offer arm64.
A hosted control plane for customer-owned compute is on the roadmap with no published price. WarpBuild offers BYOC today.
Replace the WarpBuild runs-on label with an OpenRunners label once your organization is admitted.
Run your next job on a runner that shows its work.
Admission is manual for trusted GitHub repositories while the release gates close. Sign in with GitHub to request access and we will review your organization when a slot opens.