Source: https://seerepo.com/compare/Nasiko-Labs/nasiko/vs/openai/codex
Markdown source: https://seerepo.com/compare/Nasiko-Labs/nasiko/vs/openai/codex.md
Description: nasiko and codex share 16 technologies: axum, sqlx, SQLite, Tokio, crossterm, Ratatui, jsonwebtoken, hmac, quick-xml, zip, Pydantic, tracing, tracing-opentelemetry, OpenTelemetry, tracing-subscriber, and opentelemetry-otlp. Both are written in Rust.

# nasiko vs codex

nasiko and codex share 16 technologies: axum, sqlx, SQLite, Tokio, crossterm, Ratatui, jsonwebtoken, hmac, quick-xml, zip, Pydantic, tracing, tracing-opentelemetry, OpenTelemetry, tracing-subscriber, and opentelemetry-otlp. Both are written in Rust.

- [Nasiko-Labs/nasiko](https://seerepo.com/r/Nasiko-Labs/nasiko): The Open Runtime for AI Agents
- [openai/codex](https://seerepo.com/r/openai/codex): Lightweight coding agent that runs in your terminal

## What they share and what sets them apart

- In common: axum, sqlx, SQLite, Tokio, crossterm, Ratatui, jsonwebtoken, hmac, quick-xml, zip, Pydantic, tracing, tracing-opentelemetry, OpenTelemetry, tracing-subscriber, opentelemetry-otlp
- Only in nasiko: net/http, aws-sdk-s3, rusqlite, sqlx-postgres, Redis, Postgres, Anthropic, starlette, uvicorn, indicatif, dialoguer, tabled, utoipa-swagger-ui, bcrypt, hkdf, a2a-sdk, OpenAI, openai-agents, LangGraph, rig-core, google-adk, LangChain, langchain-openai, CrewAI, langdetect, beautifulsoup4, opentelemetry-instrumentation-asgi, opentelemetry-instrumentation-httpx, opentelemetry-instrumentation-starlette, opentelemetry-exporter-otlp-proto-grpc, bollard, @a2a-js/sdk
- Only in codex: codex-attachment-store, codex-cloud-tasks-client, codex-queue-extension, codex-thread-store, codex-utils-cache, sqlx-sqlite, libsqlite3-sys, lru, Sentry, rama-http, rama-core, tiny_http, rama-http-backend, tower, objc2-app-kit, objc2-foundation, two-face, codex-tui, 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, rmcp, mxc-sdk, bm25, codex-mermaid, codex-utils-image, codex-utils-template, png, image, pulldown-cmark, linkify, symphonia, schemars, codex-otel-trace-websocket, codex-rollout-trace, tracelogging, log, tracing-appender, opentelemetry-appender-tracing, opentelemetry-http

## Side by side

| | nasiko | codex |
|---|---|---|
| Size | 548,343 lines written, 1,337 code files | 2,394,853 lines written, 4,310 code files |
| Who writes it | 7% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor | 2.7% of its commits signed by AI. With Codex, Claude Code, and GitHub Copilot |
| Activity | Last push November 11, 2026, 2,296 commits, 11,962 stars | Last push November 11, 2026, 13,432 commits, 134,917 stars |
| Tests | 477 test files. 19.2% of its code files have a test that imports them | 2,530 test files. 52% 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, nasiko or codex?

codex, with 2,394,853 lines written; nasiko has 548,343.

The proof: [openai/codex's code at commit 392ced7](https://github.com/openai/codex/tree/392ced7d3a9160fd35d40c606359869215f50522)

### Which has more GitHub stars, nasiko or codex?

codex, with 134,917 stars; nasiko has 11,962.

The proof: [openai/codex on GitHub](https://github.com/openai/codex)

### Which has more tests, nasiko or codex?

codex, with 2,530 test files; nasiko has 477.

The proof: [openai/codex's code at commit 392ced7](https://github.com/openai/codex/tree/392ced7d3a9160fd35d40c606359869215f50522)

### Which was updated more recently, nasiko or codex?

Both got their last push on November 11, 2026.

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

### Which has more commits signed by AI, nasiko or codex?

nasiko: an AI signed 7% of its commits, with Claude Code, GitHub Copilot, and Cursor; in codex, 2.7%.

The proof: [the commits each tool signed in Nasiko-Labs/nasiko](https://seerepo.com/r/Nasiko-Labs/nasiko/ai)

## Sources

- Nasiko-Labs/nasiko: Read on November 11, 2026, at commit 9f84200 (https://github.com/Nasiko-Labs/nasiko/tree/9f84200ce6c7628cdd2054da6ee75ce0e2dd864e)
- openai/codex: Read on November 11, 2026, at commit 392ced7 (https://github.com/openai/codex/tree/392ced7d3a9160fd35d40c606359869215f50522)

## 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.