runc vs CubeSandbox

runc and CubeSandbox share 3 technologies: containerd, github.com/sirupsen/logrus, and github.com/coreos/go-systemd/v22. Both are written in Go.

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What they share and what sets them apart

opencontainers

runc

CLI tool for spawning and running containers according to the OCI specification

Go13.5kRead on November 10, 2026, at commit 817ee95What is runc built with?

Only in runc

  • github.com/checkpoint-restore/go-criu/v8

In common

TencentCloud

CubeSandbox

Instant, Concurrent, Secure & Lightweight Sandbox for AI Agents.

Go13.2kRead on November 10, 2026, at commit 0ad605cWhat is CubeSandbox built with?

Only in CubeSandbox

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
runc32,216 lines written128 code files
CubeSandbox694,668 lines written1,457 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
runc0.4% of its commits signed by AIWith Claude Code
CubeSandbox7.1% of its commits signed by AIWith Cursor and Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
runcLast push November 9, 20265,225 commits13,543 stars
CubeSandboxLast push November 10, 20261,190 commits13,209 stars
TestsThe files that test the code, and the share of code files a test imports.
runc51 test files43% of its code files have a test that imports them
CubeSandbox854 test files50.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, runc or CubeSandbox?
CubeSandbox, with 694,668 lines written; runc has 32,216.

The proof: TencentCloud/CubeSandbox's code at commit 0ad605c

Which has more GitHub stars, runc or CubeSandbox?
runc, with 13,543 stars; CubeSandbox has 13,209.

The proof: opencontainers/runc on GitHub

Which has more tests, runc or CubeSandbox?
CubeSandbox, with 854 test files; runc has 51.

The proof: TencentCloud/CubeSandbox's code at commit 0ad605c

Which was updated more recently, runc or CubeSandbox?
CubeSandbox: its last push was on November 10, 2026, and runc's on November 9, 2026.

The proof: TencentCloud/CubeSandbox's commits on GitHub

Which has more commits signed by AI, runc or CubeSandbox?
CubeSandbox: an AI signed 7.1% of its commits, with Cursor and Claude Code; in runc, 0.4%.

The proof: the commits each tool signed in TencentCloud/CubeSandbox

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