hydradb vs codex
hydradb and codex share 9 technologies: axum, Tokio, opentelemetry-semantic-conventions, tracing, tracing-subscriber, OpenTelemetry, tracing-opentelemetry, opentelemetry-appender-tracing, and opentelemetry-otlp. Both are written in Rust.
LinkedInWhat they share and what sets them apart
hydra-db
hydradb
HydraDB - fast graph database on object storage
Rust13.1kRead on November 10, 2026, at commit af63440What is hydradb built with?Only in hydradb
- axum-server
foyer
In common
- axum
- Tokio
- opentelemetry-semantic-conventions
tracing
- OpenTelemetry
- tracing-opentelemetry
opentelemetry-appender-tracing
openai
codex
Lightweight coding agent that runs in your terminal
Rust133.9kRead on November 9, 2026, at commit 6107b98What 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
- tiny_http
- tower
objc2-app-kit
- two-face
- codex-tui
- Ratatui
- crossterm
- ratatui-macros
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
- codex-agent-graph-store
- codex-agent-identity
- codex-agent-message-board-client
- codex-agent-message-board-extension
- 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
- 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
- log
Side by side
hydradbcodex
SizeLines written by people and agents, without generated ones; code files, without tests.
hydradb127,544 lines written141 code files
codex2,374,591 lines written4,286 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.
hydradb29% of its commits signed by AIWith Claude Code, Cursor, and Codex
codex2.7% of its commits signed by AIWith Codex, Claude Code, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
hydradbLast push November 10, 202662 commits13,078 stars
codexLast push November 9, 202613,317 commits133,900 stars
TestsThe files that test the code, and the share of code files a test imports.
hydradb0 test files
codex2,509 test files51.9% of its code files have a test that imports them
Frequently asked questions
Which is bigger, hydradb or codex?
codex, with 2,374,591 lines written; hydradb has 127,544.
The proof: openai/codex's code at commit 6107b98
Which has more GitHub stars, hydradb or codex?
codex, with 133,900 stars; hydradb has 13,078.
The proof: openai/codex on GitHub
Which has more tests, hydradb or codex?
codex, with 2,509 test files.
The proof: openai/codex's code at commit 6107b98
Which was updated more recently, hydradb or codex?
hydradb: its last push was on November 10, 2026, and codex's on November 9, 2026.
The proof: hydra-db/hydradb's commits on GitHub
Which has more commits signed by AI, hydradb or codex?
hydradb: an AI signed 29% of its commits, with Claude Code, Cursor, and Codex; in codex, 2.7%.
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