codex vs yew

codex and yew share 4 technologies: axum, lru, Tokio, and tracing. Both are written in Rust.

Read it as markdown

What they share and what sets them apart

openai

codex

Lightweight coding agent that runs in your terminal

Rust134.9kRead on November 12, 2026, at commit 6bfdc75What is codex built with?

Only in codex

  • codex-attachment-store
  • codex-cloud-tasks-client
  • codex-queue-extension
  • codex-thread-store
  • codex-utils-cache
  • sqlx-sqlite
  • sqlx
  • libsqlite3-sys
  • SQLite
  • Sentry
  • rama-http
  • rama-core
  • tiny_http
  • rama-http-backend
  • tower
  • objc2-app-kit
  • objc2-foundation
  • two-face
  • codex-tui
  • Ratatui
  • crossterm
  • ansi-to-tui
  • sqlx-macros
  • codex-aws-auth
  • codex-keyring-store
  • codex-login
  • codex-user-verification
  • codex-websocket-auth
  • codex-workload-identity
  • oauth2
  • keyring
  • jsonwebtoken
  • ed25519-dalek
  • hmac
  • objc2-local-authentication
  • codex-agent-graph-store
  • codex-agent-identity
  • codex-agent-message-board-client
  • codex-agent-message-board-extension
  • codex-agent-message-board-host
  • codex-agent-roles
  • codex-chatgpt
  • codex-client
  • codex-code-mode-runtime
  • codex-collaboration-mode-templates
  • codex-context-fragments
  • codex-core-plugin-common
  • codex-extension-api
  • codex-external-agent-migration
  • codex-guardian-context
  • codex-guardian-reviewer
  • codex-image-generation-extension
  • codex-lmstudio
  • codex-mcp
  • codex-mcp-extension
  • codex-memories-extension
  • codex-memories-read
  • codex-memories-write
  • codex-message-board-mcp
  • codex-model-provider
  • codex-model-provider-info
  • codex-models-manager
  • codex-ollama
  • codex-plugin-host
  • codex-prompts
  • codex-protocol
  • codex-response-debug-context
  • codex-runtime-agent-instance
  • codex-skills
  • codex-skills-extension
  • codex-tools
  • codex-web-search-extension
  • openai-codex-cli-bin
  • rmcp
  • mxc-sdk
  • bm25
  • codex-mermaid
  • codex-utils-image
  • codex-utils-template
  • png
  • image
  • pulldown-cmark
  • zip
  • linkify
  • quick-xml
  • symphonia
  • schemars
  • Pydantic
  • codex-otel-trace-websocket
  • codex-rollout-trace
  • tracelogging
  • tracing-subscriber
  • OpenTelemetry
  • tracing-opentelemetry
  • log
  • opentelemetry-otlp
  • tracing-appender
  • opentelemetry-appender-tracing
  • opentelemetry-http

In common

yewstack

yew

Rust / Wasm framework for creating reliable and efficient web applications

Rust32.8kRead on November 7, 2026, at commit bfa6c19What is yew built with?

Only in yew

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
codex2,400,707 lines written4,321 code files
yew59,897 lines written146 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.
codex2.7% of its commits signed by AIWith Codex, Claude Code, and GitHub Copilot
yew0.1% of its commits signed by AIWith Claude Code and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
codexLast push November 12, 202613,452 commits134,947 stars
yewLast push October 30, 20262,629 commits32,839 stars
TestsThe files that test the code, and the share of code files a test imports.
codex2,531 test files52% of its code files have a test that imports them
yew138 test files6.8% of its code files have a test that imports them

Frequently asked questions

Which is bigger, codex or yew?
codex, with 2,400,707 lines written; yew has 59,897.

The proof: openai/codex's code at commit 6bfdc75

Which has more GitHub stars, codex or yew?
codex, with 134,947 stars; yew has 32,839.

The proof: openai/codex on GitHub

Which has more tests, codex or yew?
codex, with 2,531 test files; yew has 138.

The proof: openai/codex's code at commit 6bfdc75

Which was updated more recently, codex or yew?
codex: its last push was on November 12, 2026, and yew's on October 30, 2026.

The proof: openai/codex's commits on GitHub

Which has more commits signed by AI, codex or yew?
codex: an AI signed 2.7% of its commits, with Codex, Claude Code, and GitHub Copilot; in yew, 0.1%.

The proof: the commits each tool signed in openai/codex

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