codex vs rerun
codex and rerun share 22 technologies: axum, Tokio, tiny_http, tower, objc2-app-kit, objc2-foundation, jsonwebtoken, hmac, rmcp, image, pulldown-cmark, zip, symphonia, schemars, tracing, tracing-subscriber, OpenTelemetry, tracing-opentelemetry, log, opentelemetry-otlp, opentelemetry-appender-tracing, and opentelemetry-http. Both are written in Rust.
LinkedInWhat 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
- lru
- SQLite
- Sentry
rama-http
- 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
- ed25519-dalek
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
- mxc-sdk
- bm25
- codex-mermaid
- codex-utils-image
- codex-utils-template
- png
- linkify
- quick-xml
- Pydantic
- codex-otel-trace-websocket
- codex-rollout-trace
- tracelogging
tracing-appender
In common
rerun-io
rerun
Visualize, query, and stream to train on multimodal robotics data.
Rust11.8kRead on November 12, 2026, at commit 4450ce0What is rerun built with?Only in rerun
- concurrent-queue
- object_store
arrow
pyarrow
datafusion
lance
- axum-core
egui
- React
- font-types
accesskit
- console
- vello_cpu
- wgpu-hal
- winit
- wgpu
- rfd
- comfy-table
- egui_commonmark
- indicatif
- wayland-client
agent-client-protocol-schema
agent-client-protocol
rig-core
- infer
- tiff
pillow
- dav1d
- gltf
- mime_guess2
- tracing-tracy
prometheus-client
psutil
- env_filter
- tracing-web
anywidget
Side by side
codexrerun
SizeLines written by people and agents, without generated ones; code files, without tests.
codex2,400,707 lines written4,321 code files
rerun940,997 lines written2,747 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
rerun5.4% 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
rerunLast push November 11, 202610,479 commits11,771 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
rerun694 test files14.7% of its code files have a test that imports them
Frequently asked questions
Which is bigger, codex or rerun?
codex, with 2,400,707 lines written; rerun has 940,997.
The proof: openai/codex's code at commit 6bfdc75
Which has more GitHub stars, codex or rerun?
codex, with 134,947 stars; rerun has 11,771.
The proof: openai/codex on GitHub
Which has more tests, codex or rerun?
codex, with 2,531 test files; rerun has 694.
The proof: openai/codex's code at commit 6bfdc75
Which was updated more recently, codex or rerun?
codex: its last push was on November 12, 2026, and rerun's on November 11, 2026.
The proof: openai/codex's commits on GitHub
Which has more commits signed by AI, codex or rerun?
rerun: an AI signed 5.4% of its commits, with Claude Code and GitHub Copilot; in codex, 2.7%.
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