Source: https://seerepo.com/compare/anomalyco/opencode/vs/slopus/happy
Markdown source: https://seerepo.com/compare/anomalyco/opencode/vs/slopus/happy.md
Description: opencode and happy share 6 technologies: MCP, Anthropic, GitHub, Hono, @agentclientprotocol/sdk, and Zod. opencode is written in TypeScript and happy in Swift.

# opencode vs happy

opencode and happy share 6 technologies: MCP, Anthropic, GitHub, Hono, @agentclientprotocol/sdk, and Zod. opencode is written in TypeScript and happy in Swift.

- [anomalyco/opencode](https://seerepo.com/r/anomalyco/opencode): The open source coding agent.
- [slopus/happy](https://seerepo.com/r/slopus/happy): Orchestrate Claude, Codex and Grok in one app. Open-source (MIT), reuses the subscriptions you already pay for.

## What they share and what sets them apart

- In common: MCP, Anthropic, GitHub, Hono, @agentclientprotocol/sdk, Zod
- Only in opencode: Solid, @solidjs/router, Vite, Sentry, Electron, @clack/prompts, Tailwind CSS, @tailwindcss/vite, Drizzle, jose, htmlparser2, gray-matter, @standard-schema/spec, electron-log, micromark, micromark-extension-gfm, pele, dompurify, marked, katex, yaml
- Only in happy: Jetpack Compose, androidx.core:core-ktx, React, react-native, Expo, Tauri, PostHog, @tauri-apps/api, Fastify, Redis, Postgres, appcompat, androidx.recyclerview:recyclerview, androidx.swiperefreshlayout:swiperefreshlayout, react-native-safe-area-context, com.google.zxing:core, qrcode-terminal, expo-font, react-native-reanimated, react-native-gesture-handler, expo-blur, expo-status-bar, expo-splash-screen, Mermaid, prismjs, qrcode, expo-updates, log, Prisma, sharp, pino, pino-pretty

## Side by side

| | opencode | happy |
|---|---|---|
| Size | 1,028,811 lines written, 3,839 code files | 796,200 lines written, 2,552 code files |
| Who writes it | 0.3% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, and Jules | 14.6% of its commits signed by AI. With Claude Code and Codex |
| Activity | Last push November 4, 2026, 21,835 commits, 224,454 stars | Last push November 4, 2026, 3,807 commits, 24,473 stars |
| Tests | 1,608 test files. 35.1% of its code files have a test that imports them | 1,437 test files. 65.8% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, opencode or happy?

opencode, with 1,028,811 lines written in 3,839 code files; happy has 796,200 in 2,552.

The proof: [anomalyco/opencode's code at commit ffe6fed](https://github.com/anomalyco/opencode/tree/ffe6fed58334d921f64a86a8d86128bff5a4b566)

### Which has more GitHub stars, opencode or happy?

opencode, with 224,454 stars; happy has 24,473.

The proof: [anomalyco/opencode on GitHub](https://github.com/anomalyco/opencode)

### Which has more tests, opencode or happy?

opencode, with 1,608 test files; happy has 1,437.

The proof: [anomalyco/opencode's code at commit ffe6fed](https://github.com/anomalyco/opencode/tree/ffe6fed58334d921f64a86a8d86128bff5a4b566)

### Which was updated more recently, opencode or happy?

Both got their last push on November 4, 2026.

The proof: [slopus/happy's commits on GitHub](https://github.com/slopus/happy/commits)

### Which has more commits signed by AI, opencode or happy?

happy: an AI signed 14.6% of its commits, with Claude Code and Codex; in opencode, 0.3%.

The proof: [the commits each tool signed in slopus/happy](https://seerepo.com/r/slopus/happy/ai)

## Sources

- anomalyco/opencode: Read on November 4, 2026, at commit ffe6fed (https://github.com/anomalyco/opencode/tree/ffe6fed58334d921f64a86a8d86128bff5a4b566)
- slopus/happy: Read on November 4, 2026, at commit e99bd0f (https://github.com/slopus/happy/tree/e99bd0f7060f1169c8acf98e4197df5f347147a6)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.