Compare
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.
What they share and what sets them apart
anomalyco
opencode
The open source coding agent.
TypeScript224.5kRead on November 4, 2026, at commit ffe6fedWhat is opencode built with?slopus
happy
Orchestrate Claude, Codex and Grok in one app. Open-source (MIT), reuses the subscriptions you already pay for.
Swift24.5kRead on November 4, 2026, at commit e99bd0fWhat is happy built with?In common
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
opencodehappy
SizeLines written by people and agents, without generated ones; code files, without tests.
opencode1,028,811 lines written3,839 code files
happy796,200 lines written2,552 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.
opencode0.3% of its commits signed by AIWith Claude Code, GitHub Copilot, Cursor, and Jules
happy14.6% of its commits signed by AIWith Claude Code and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
opencodeLast push November 4, 202621,835 commits224,454 stars
happyLast push November 4, 20263,807 commits24,473 stars
TestsThe files that test the code, and the share of code files a test imports.
opencode1,608 test files35.1% of its code files have a test that imports them
happy1,437 test files65.8% of its code files have a test that imports them
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
Which has more GitHub stars, opencode or happy?
opencode, with 224,454 stars; happy has 24,473.
The proof: anomalyco/opencode on GitHub
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
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
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
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