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cc-switch vs OpenSpec

cc-switch and OpenSpec share 3 technologies: Tailwind CSS, yaml, and Zod. cc-switch is written in Rust and OpenSpec in TypeScript.

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What they share and what sets them apart

farion1231

cc-switch

A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode,DeepSeek Harness and more. Only official website: ccswitch.io

Rust151.7kRead on November 4, 2026, at commit e217bfcWhat is cc-switch built with?

Only in cc-switch

In common

Fission-AI

OpenSpec

Spec-driven development (SDD) for AI coding assistants.

TypeScript74kRead on November 5, 2026, at commit 3e4d5f0What is OpenSpec built with?

Only in OpenSpec

  • Inquirer
  • ora

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
cc-switch564,219 lines written821 code files
OpenSpec144,693 lines written218 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.
cc-switch1.7% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
OpenSpec28.9% of its commits signed by AIWith Claude Code, Codex, CodeRabbit, Cursor, Mistral Vibe, GitHub Copilot, Qwen Code, and Crush
ActivityFrom GitHub and its history, on the day SeeRepo read it.
cc-switchLast push November 4, 20263,432 commits151,729 stars
OpenSpecLast push November 4, 2026967 commits73,952 stars
TestsThe files that test the code, and the share of code files a test imports.
cc-switch319 test files37.3% of its code files have a test that imports them
OpenSpec245 test files74.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, cc-switch or OpenSpec?
cc-switch, with 564,219 lines written; OpenSpec has 144,693.

The proof: farion1231/cc-switch's code at commit e217bfc

Which has more GitHub stars, cc-switch or OpenSpec?
cc-switch, with 151,729 stars; OpenSpec has 73,952.

The proof: farion1231/cc-switch on GitHub

Which has more tests, cc-switch or OpenSpec?
cc-switch, with 319 test files; OpenSpec has 245.

The proof: farion1231/cc-switch's code at commit e217bfc

Which was updated more recently, cc-switch or OpenSpec?
Both got their last push on November 4, 2026.

The proof: Fission-AI/OpenSpec's commits on GitHub

Which has more commits signed by AI, cc-switch or OpenSpec?
OpenSpec: an AI signed 28.9% of its commits, with Claude Code, Codex, CodeRabbit, Cursor, Mistral Vibe, GitHub Copilot, Qwen Code, and Crush; in cc-switch, 1.7%.

The proof: the commits each tool signed in Fission-AI/OpenSpec

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