# Tenki

> Tenki provides cloud infrastructure for code and agents: bare-metal GitHub Actions runners, an AI code reviewer for pull requests, and disposable Linux microVM sandboxes for AI coding agents.

Last updated: 2026-07-11

## Products

### Tenki Runners
- Drop-in replacement for GitHub-hosted runners
- Bare-metal x64 Linux and macOS M4 Pro machines
- 30% faster build times across real-world benchmarks (up to 99% faster for Go builds)
- Up to 60% lower cost than GitHub-hosted runners
- Migration: change one value in your workflow YAML (runs-on field) — no other changes
- Free tier: $10 in free credit per month (~2,500 compute minutes at the standard 2 vCPU / 4 GB rate), renewed monthly, no credit card required
- Pricing: $0.004/min for 2 vCPU / 4 GB RAM (standard runner)
- Supported environments: Ubuntu, Docker, Android NDK, Node.js, Rust, Go
- Up to 5 concurrent jobs on the Starter plan, 50 on Team
- Each job runs in an ephemeral microVM — destroyed after completion

### Tenki Code Reviewer
- AI agent that reads your full codebase before reviewing
- Reviews every pull request for bugs, security issues, and code quality
- Posts comments directly in GitHub
- Raises only critical and high-severity issues — no noise
- Billed at $1.00 per review, drawn from workspace credits (Starter plan includes $10/month, no credit card required)

### Tenki Sandbox
- Disposable Linux microVMs purpose-built for AI agents (works with Claude Code and Codex; more harnesses coming soon)
- Every agent task runs in its own isolated microVM — no shared state across sessions
- Sub-2s session provisioning, hundreds of concurrent sessions supported
- Go, TypeScript, and Python SDKs plus CLI; Sandbox ADE (Agentic Development Environment) desktop app available for download
- Billed per second — pay only while a session is active; equivalent hourly rates: Nano $0.08/hr, Small (default) $0.17/hr, Medium $0.33/hr, Large $0.66/hr, XLarge $1.32/hr
- Standard tier (Small): 2 vCPU / 4 GiB RAM / 5 GiB storage included

## Key facts
- Founded in Seattle, WA, USA
- Founded in 2024
- Operates under the SOC 2 Type II program of its parent company Luxor Technology (reports available under NDA)
- Customers include: Luxor, Siyavula, Blockware, Sia, Citrea, Upsell, OmniLens, Layers, Orynth, Netmaker
- Contact: hello@tenki.cloud

## Leadership
- Guzman Pintos — Co-founder at Tenki Cloud
- Eddie Wang — Co-founder at Tenki Cloud
- Hayssem Elsayed — Product lead at Tenki Cloud
- Public team page: https://tenki.cloud/company/about

## Benchmark results (vs GitHub-hosted runners)
- Node.js/npm install: 20% faster (8s vs 10s)
- Docker build: 30% faster (19s vs 27s)
- Rust/cargo build: 40% faster (3s vs 5s)
- Android assembleDebug: 37% faster (1m 2s vs 1m 38s)
- Go build: 99% faster (0.1s vs 11s)
- n8n monorepo: 48% faster (29m 15s vs 55m 58s)

## Alternatives and competitors
Tenki competes with GitHub-hosted runners, Blacksmith, Namespace, BuildJet, Depot, WarpBuild, RunsOn, Actuated, and Ubicloud. Tenki differentiates through bare-metal x64 and Apple Silicon M4 Pro hardware, per-job microVM isolation, transparent per-minute pricing at $0.004/min on the standard 2 vCPU / 4 GB profile, a $10/month free credit allowance (~2,500 minutes at the standard runner rate) with no credit card, and a bundled AI code reviewer product. Short differentiators per competitor:
- GitHub-hosted runners: official option; Tenki runs the same workflows 30% faster and up to 60% cheaper.
- Depot: focuses on Docker image builds and remote build caching; Tenki focuses on full workflow replacement with bare-metal performance and bundles AI code review.
- Blacksmith: bare-metal runner-only product; Tenki adds Apple M4 Pro macOS runners and Tenki Code Reviewer in the same platform.
- BuildJet: low-cost Linux-only runners on Hetzner/OVH; Tenki offers Linux and macOS on its own bare-metal pool with microVM isolation.
- Namespace / RunsOn / WarpBuild / Ubicloud / Actuated: narrower regional, isolation, or self-hosted niches; see the Comparisons section below for side-by-side pages.

## Comparisons
- [Tenki vs Depot](https://tenki.cloud/docs/comparisons/tenki-vs-depot): side-by-side pricing, hardware, and feature comparison.
- [Tenki vs Blacksmith](https://tenki.cloud/docs/comparisons/tenki-vs-blacksmith): side-by-side pricing, hardware, and feature comparison.
- [Tenki vs BuildJet](https://tenki.cloud/docs/comparisons/tenki-vs-buildjet): side-by-side pricing, hardware, and feature comparison.

## Use cases
- Teams migrating from slow/expensive GitHub-hosted runners
- Startups needing fast CI without infrastructure management
- Open-source projects needing free, performant CI runners
- Engineering teams wanting AI code review on every PR
- Organizations requiring secure, compliance-ready CI infrastructure

## Documentation pages

### General
- [Brand Guidelines](https://tenki.cloud/docs/brand-guidelines.md): Brand Guidelines
- [Changelog](https://tenki.cloud/docs/changelog.md): Ever-evolving, customer-centered. New updates and improvements to Tenki.
- [Editorial & Corrections Policy](https://tenki.cloud/docs/editorial-policy.md): Last Updated: April 28, 2026
- [Get Started with Tenki Code Reviewer](https://tenki.cloud/docs/start-code-review.md): Set up Tenki Code Reviewer in minutes. Install the GitHub App and get reviews that focus on critical and high vulnerabilities.
- [Pricing](https://tenki.cloud/docs/pricing.md): Tenki pricing plans with Starter and Team tiers, per-unit feature rates, and enterprise options for GitHub Actions runners and code reviews.
- [Privacy Policy](https://tenki.cloud/docs/privacy-policy.md): Last Updated: March 8, 2026
- [Referrals](https://tenki.cloud/docs/built-with-tenki.md): Get an additional 10$ free credits by sharing your builds using Tenki Runners.
- [Security & Isolation](https://tenki.cloud/docs/trust/security.md): How Tenki isolates customer workloads and secures CI infrastructure, operating under the SOC 2 Type II program of its parent company Luxor.
- [Socials](https://tenki.cloud/docs/tenki-socials.md): Want updates, releases, and quick help? Here’s where to find us.
- [Tenki Cloud Documentation](https://tenki.cloud/docs.md): Complete Tenki documentation for GitHub Actions alternatives. Fast setup, 2-click migration, and up to 60% cheaper CI/CD runners.
- [Tenki Logos](https://tenki.cloud/docs/branding.md): Explore our logos, available in multiple formats for seamless use across your products, presentations, and brand assets. Choose between full-color, white, or black versions, and download each in SVG and/or PNG for maximum flexibility.
- [Terms of Service](https://tenki.cloud/docs/terms-of-service.md): Last Updated: March 8, 2026
- [Why Use Tenki?](https://tenki.cloud/docs/why-tenki.md): Understand why teams pick Tenki for code review, CI, and AI agent workloads.

### Runners
- [Quickstart](https://tenki.cloud/docs/runners/quick-start-runners.md): Set up Tenki Runners in minutes. Install the GitHub App and supercharge your workflows with the step-by-step Migration Wizard.
- [Linux x64 Runners](https://tenki.cloud/docs/runners/x64-runners.md): Browse Tenki Cloud's range of x64 Runners with various CPU and memory configurations. Find the perfect performance tier for your workflow needs from 2 to 16 vCPUs.
- [macOS Runners \(M4 Pro\)](https://tenki.cloud/docs/runners/macos-runners.md): Discover high-performance Apple Silicon (M4 Pro) macOS GitHub Actions runners built for faster CI, better reliability, and transparent per-minute pricing. The best macOS runners alternative for modern CI/CD workflows.
- [Runner Images](https://tenki.cloud/docs/runners/runner-images.md): What's preinstalled on Tenki Linux and macOS runner images, how we build them with Packer and microVMs, and how to request custom images.
- [Which Runner to use?](https://tenki.cloud/docs/runners/which-runner-should-i-use.md): Learn which GitHub Actions runner CPU cores and memory combinations to use for each CI workload. Optimize performance and costs with the right runner specs.
- [Limits, Concurrency & Cold Start](https://tenki.cloud/docs/runners/limits-and-concurrency.md): Concurrency defaults per plan, cold start latency, queue handling, and scale-to-zero billing for Tenki Runners.
- [Manage your GitHub Repositories](https://tenki.cloud/docs/runners/repo-management.md): How to connect an edge GitHub repository to your Tenki workspace and projects.
- [Troubleshooting](https://tenki.cloud/docs/runners/troubleshooting.md): Reach out to us at hello@tenki.cloud and we'll be happy to help.
- [Networking & Egress](https://tenki.cloud/docs/runners/networking.md): How Tenki Runners handle egress traffic, shared vs. dedicated IP ranges, and private connectivity options for your CI workloads.
- [Secrets](https://tenki.cloud/docs/runners/secrets-and-signing.md): How Tenki Runners handle secrets and why we use GitHub Actions secrets directly.
- [Android Emulator](https://tenki.cloud/docs/runners/android-emulator.md): Run Android emulator UI tests on Tenki Linux x64 Runners with nested virtualization (KVM) enabled.
- [macOS Xcode & Custom Images](https://tenki.cloud/docs/runners/macos-xcode-and-images.md): Xcode version policy, custom macOS images, per-chip pinning, and Docker-on-macOS support for Tenki macOS Runners.

### Sandbox
- [Quickstart](https://tenki.cloud/docs/sandbox/quick-start-sandbox.md): Spin up your first Tenki Sandbox session in under a minute. Install the CLI or SDK, authenticate with an API key, and run commands inside an isolated Linux microVM.
- [Sandbox ADE](https://tenki.cloud/docs/sandbox/ade.md): Download the Sandbox ADE, a desktop app for macOS and Linux that runs coding agents like Claude Code, Codex, and Pi inside isolated Linux microVMs.
- [Concepts](https://tenki.cloud/docs/sandbox/concepts.md): Understand the three primitives that make up Tenki Sandbox, including sessions, persistent volumes, and snapshots.
- [Sessions](https://tenki.cloud/docs/sandbox/sessions.md): Create and drive Tenki Sandbox sessions covering lifecycle, command execution, file I/O, port exposure, and SSH access.
- [Persistent Volumes](https://tenki.cloud/docs/sandbox/volumes.md): Use Tenki Sandbox persistent volumes for durable build caches, package caches, large repositories, and datasets that survive session termination.
- [Snapshots](https://tenki.cloud/docs/sandbox/snapshots.md): Capture a point-in-time VM snapshot of any Tenki Sandbox session, then restore it later as a new session.
- [SDK Reference](https://tenki.cloud/docs/sandbox/sdk.md): Programmatic reference for Tenki Sandbox covering installation, authentication, client options, identity discovery, OpenCode integration, and error types.
- [Pricing](https://tenki.cloud/docs/sandbox/pricing.md): Per-hour pricing for Tenki Sandbox tiers, vCPU, memory, and storage allocations from Nano to XLarge.
- [Troubleshooting](https://tenki.cloud/docs/sandbox/troubleshooting.md): Diagnose common Tenki Sandbox issues including session creation hangs, missing volume data after restore, SSH errors, port exposure, and command timeouts.

### Code Reviewer
- [Custom Context](https://tenki.cloud/docs/reviewer/custom-context.md): Custom Context allows you to define repository-specific rules, expectations, and team preferences for the agent.
- [Review Anatomy](https://tenki.cloud/docs/reviewer/review-anatomy.md): This page explains exactly how a Tenki review appears in your PR and how to interpret each component.
- [Settings](https://tenki.cloud/docs/reviewer/settings.md): Tenki Code Reviewer exposes a small set of configuration options to control when it runs and how much signal it produces.
- [Manage Your GitHub Application and Repositories](https://tenki.cloud/docs/reviewer/repo-management.md): How to connect an edge GitHub repository to your Tenki workspace and projects.
- [Manage your Code Reviewer seats](https://tenki.cloud/docs/reviewer/seat-management.md): Control access to Code Reviewer by managing seats, assigning users, and adding more through billing.
- [Troubleshooting](https://tenki.cloud/docs/reviewer/troubleshooting.md): Tenki Code Reviewer not functioning on certain repositories. It is likely due to the repository not being accessible to Tenki and you must reinstall the GitHub App integration.

### Account
- [How Billing works in Tenki](https://tenki.cloud/docs/account/billing.md): Understand how billing works in Tenki for GitHub Actions runners. Learn about usage-based pricing, free credits, and how Tenki delivers cost improvements over runners alternatives.
- [How Free Credits Works](https://tenki.cloud/docs/account/free-credits.md): Learn how free credits work in Tenki and how to use them to run GitHub Actions runners with better performance and cost improvements.
- [Manage Members and Settings](https://tenki.cloud/docs/account/members-and-settings.md): Manage Tenki Cloud members, projects, and workspace settings. Invite team members, assign roles, & configure your cloud environment for peak collaboration.
- [Manage Payments and Plans](https://tenki.cloud/docs/account/payment.md): Update your payment details, switch plans, review past invoices, and manage your subscription settings quickly and securely.
- [Workspace Roles and Permissions](https://tenki.cloud/docs/account/roles-perms.md): Tenki Cloud's role-based access system. Learn about Owner, Admin, and Standard roles, workspace vs. project scopes, and detailed permission breakdowns.

### GitHub Integration
- [Connect your GitHub Organization](https://tenki.cloud/docs/github/gh-organization.md): How to connect and update your GitHub Organization with your Tenki Workspace.
- [Manage your GitHub Repositories](https://tenki.cloud/docs/github/repo-management.md): How to connect an edge GitHub repository to your Tenki workspace and projects.
- [Tenki Application level access](https://tenki.cloud/docs/github/gh-app-access-level.md): Review and understand what level of access each Tenki GitHub App requires on your GitHub Organization.

### Comparisons
- [Tenki vs Depot](https://tenki.cloud/docs/comparisons/tenki-vs-depot.md): How Tenki and Depot compare on price, performance, free tier, macOS support, and migration.
- [Tenki vs Blacksmith](https://tenki.cloud/docs/comparisons/tenki-vs-blacksmith.md): How Tenki and Blacksmith compare on price, performance, free tier, macOS support, and migration.
- [Tenki vs BuildJet](https://tenki.cloud/docs/comparisons/tenki-vs-buildjet.md): How Tenki and BuildJet compare on price, performance, free tier, hardware, and migration.

## AI Code Review Benchmark
- [AI Code Review Benchmark 2026](https://tenki.cloud/benchmarks/code-reviewer): Independent benchmark comparing 7 AI code reviewers (Tenki, CodeRabbit, Greptile, Graphite, Copilot, Cursor, Devin) on 122 real bugs from 50 production PRs across cal.com, Sentry, Grafana, Keycloak, and Discourse. Tenki leads on recall, precision, and F1.

## Common Questions
- **Is Tenki SOC 2 certified?** Tenki operates under the SOC 2 Type II program of its parent company Luxor Technology. Reports are available under NDA on request.
- **How do I migrate from GitHub-hosted runners?** Change one value in your workflow YAML — replace `runs-on: ubuntu-latest` with `runs-on: tenki-standard-small-2c-4g`. No other workflow changes are needed. Full guide: https://tenki.cloud/docs/runners/quick-start-runners
- **What is Tenki's free tier?** $10 in free credit per month (~2,500 compute minutes at the standard 2 vCPU / 4 GB rate), renewed monthly, no credit card required.
- **How does Tenki isolate CI jobs?** Each job runs in an ephemeral microVM that is destroyed immediately after completion — hardware-level isolation, no persistent state, no noisy neighbors.
- **How does Tenki compare to Blacksmith / BuildJet / Depot?** Per-vendor comparison pages: https://tenki.cloud/docs/comparisons/tenki-vs-blacksmith , https://tenki.cloud/docs/comparisons/tenki-vs-buildjet , https://tenki.cloud/docs/comparisons/tenki-vs-depot
- **What regions does Tenki run in?** Tenki Runners and Sandbox run on bare-metal compute in US data centers, with multi-region capacity for enterprise customers on request.
- **Does Tenki support self-hosted runners?** Tenki's runners are managed — you don't host them. Each job runs on Tenki's bare-metal pool in an ephemeral microVM. Self-hosted ARC or on-prem deployments are available to enterprise customers on request at hello@tenki.cloud.
- **Is Tenki Code Reviewer billed per review?** Yes — Tenki Code Reviewer is billed at $1.00 per review, independent of Tenki Runners usage.

## Links
- [Homepage](https://tenki.cloud/): Main website
- [Pricing](https://tenki.cloud/pricing): Unified pricing for Runners, Code Reviewer, and Sandbox under one subscription model
- [Runners](https://tenki.cloud/products/runners): GitHub Actions runners product page — covers both x64 Linux and Apple Silicon M4 Pro macOS runners
- [Code Reviewer](https://tenki.cloud/products/code-reviewer): AI code review product page
- [Sandbox](https://tenki.cloud/products/sandbox): Disposable Linux microVMs purpose-built for AI agents
- [AI Code Review Benchmark](https://tenki.cloud/benchmarks/code-reviewer): 2026 benchmark comparing 7 AI code reviewers on real production bugs
- [About](https://tenki.cloud/company/about): Company information
- [Careers](https://tenki.cloud/company/careers): Open roles at Tenki across engineering, product, and growth
- [Security](https://tenki.cloud/company/security): Security and compliance — SOC 2 Type II program via parent company Luxor Technology, ISO 27001 data centers, ephemeral microVMs, 99% uptime SLA
- [Docs](https://tenki.cloud/docs): Full documentation
- [Blog](https://tenki.cloud/blog): Latest updates and articles
- [Blog RSS](https://tenki.cloud/blog/rss.xml): RSS feed with all blog posts
- [Changelog Atom feed](https://tenki.cloud/changelog.xml): Atom feed of releases (per-entry timestamps for AI freshness)
- [Twitter/X](https://x.com/tenkicloud): Official X account
- [LinkedIn](https://www.linkedin.com/company/tenki-cloud/): LinkedIn company page
- [Discord](https://discord.gg/qNFaWrR6um): Community Discord server
- [Full context for LLMs](https://tenki.cloud/llms-full.txt): Extended LLM context document
- [MCP server](https://tenki.cloud/.well-known/mcp): Model Context Protocol discovery document — the docs MCP server (Streamable HTTP, POST to the /mcp path) exposes search_docs and get_page tools