Shutdown
Feb 2026BuildJet announced it was shutting down BuildJet for GitHub Actions; new signups stopped immediately and the service ended on 2026-03-31.
SourceCompany research
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
Overview
BuildJet was a YC-backed developer-tools company that sold managed high-performance GitHub Actions runners powered by gaming CPUs and custom bare-metal infrastructure; public sources conflict on some location details and funding breakdown, and the service shut down on March 31, 2026.
Primary product
BuildJet for GitHub Actions (managed high-performance runners for GitHub Actions)
Founded
2022
Headquarters
Delaware, United States (LinkedIn; YC also listed Berlin, Germany)
Team size
1-10
Industry
Information Technology & Services
Sub-industry
Developer tools / CI runners / CI/CD infrastructure
Offices
Tallinn, Estonia
Berlin, Germany
Business model
B2B SaaS
usage-based billing
paid concurrency extensions
Funding
People & investors
Investors
Work & culture
Small, performance-focused, security-conscious startup; public messaging emphasized speed, easy migration, and not accessing customer code. Public employee-culture evidence is sparse.
Product & market
Pricing
Usage-based per-minute pricing by runner size, plus paid concurrency extensions and a free trial credit/minutes offer.
Differentiators
- —Gaming-CPU-backed infrastructure for higher single-core performance
- —One-line workflow migration via runner labels
- —Claimed 2x faster and cheaper builds than standard GitHub Actions runners
- —Security-isolated VMs and no code retention after jobs complete
- —Free cache storage per repository per week
- —Custom bare-metal infrastructure
Technology
GitHub Actions
KVM
bare-metal infrastructure
custom VM hypervisor
AMD64 runners
ARM runners
Customers
Signal-Android
MeshCentral
Netflix/dispatch
Neuraxio
nasa/astrobee
facebook/proxygen
reactor/reactor-core
google/xls
alicevision/AliceVision
Competitors
GitHub-hosted runners
GitHub larger runners
RunsOn
WarpBuild
Tenki
Scale & contact
Signals & risks
Latest news
Tenki · Apr 2026
A later migration guide that treats BuildJet as fully shut down and provides replacement workflow and cache guidance.
WarpBuild · Feb 2026
Migration guidance for BuildJet users, with claims about alternatives and workflow label swaps.
RunsOn · Feb 2026
A third-party response to the shutdown arguing the market for third-party runners remains open and suggesting alternatives.
BuildJet blog · Feb 2026
Official shutdown notice: new signups ended immediately and BuildJet for GitHub Actions stopped running jobs on March 31, 2026.
Jobs and careers at BuildJet
0 jobs at BuildJet
No open positions
Check back later for new openings