Source: https://seerepo.com/compare/swc-project/swc/vs/volcengine/OpenViking
Markdown source: https://seerepo.com/compare/swc-project/swc/vs/volcengine/OpenViking.md
Description: swc and OpenViking share 6 technologies: React, lru, Tokio, yaml, tracing, and tracing-subscriber. swc is written in Rust and OpenViking in Python.

# swc vs OpenViking

swc and OpenViking share 6 technologies: React, lru, Tokio, yaml, tracing, and tracing-subscriber. swc is written in Rust and OpenViking in Python.

- [swc-project/swc](https://seerepo.com/r/swc-project/swc): Rust-based platform for the Web
- [volcengine/OpenViking](https://seerepo.com/r/volcengine/OpenViking): Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

## What they share and what sets them apart

- In common: React, lru, Tokio, yaml, tracing, tracing-subscriber
- Only in swc: wasmtime, lightningcss, antd, dialoguer, jsonc-parser, prop-types
- Only in OpenViking: FastAPI, AIOHTTP, aws-sdk-s3, fred, rusqlite, sqlx, sqlx-sqlite, SQLite, Redis, MySQL, OpenAI, uvicorn, Vite, TanStack, crossterm, Ratatui, indicatif, argon2-cffi, cryptography, hkdf, agent-framework-core, LangChain, MCP, litellm, firecrawl-anydoc, pdfplumber, jinja2, zip, cairosvg, defusedxml, feedparser, image, Pydantic, jsonschema, opentelemetry-api, volcengine-python-sdk, OpenTelemetry, opentelemetry-exporter-otlp-proto-grpc, opentelemetry-exporter-otlp-proto-http, loguru, opentelemetry_sdk, prometheus-client, tracing-appender, qrcode-terminal, pino, Tailwind CSS, class-variance-authority, next-themes, @codemirror/theme-one-dark, tailwind-merge, sonner, Base UI, @dagrejs/dagre, @rjsf/core, @streamdown/code, CodeMirror, postprocessing, react-dropzone, recharts, three, xyflow, Lucide, react-markdown, remark-gfm, streamdown, file-type, highlight.js, qrcode.react, rehype-raw, rehype-sanitize, remark-breaks, rjsf

## Side by side

| | swc | OpenViking |
|---|---|---|
| Size | 3,928,024 lines written, 1,214 code files | 1,152,111 lines written, 2,091 code files |
| Who writes it | 1% of its commits signed by AI. With Claude Code, GitHub Copilot, and Warp | 8.2% of its commits signed by AI. With Claude Code, Cursor, Codex, and GitHub Copilot |
| Activity | Last push November 6, 2026, 12,405 commits, 34,208 stars | Last push November 6, 2026, 3,138 commits, 41,668 stars |
| Tests | 48,541 test files. 14.3% of its code files have a test that imports them | 1,410 test files. 56.1% 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, swc or OpenViking?

swc, with 3,928,024 lines written; OpenViking has 1,152,111.

The proof: [swc-project/swc's code at commit dc9d310](https://github.com/swc-project/swc/tree/dc9d310e3c8bb63312a9a5ec6803d585034ecb14)

### Which has more GitHub stars, swc or OpenViking?

OpenViking, with 41,668 stars; swc has 34,208.

The proof: [volcengine/OpenViking on GitHub](https://github.com/volcengine/OpenViking)

### Which has more tests, swc or OpenViking?

swc, with 48,541 test files; OpenViking has 1,410.

The proof: [swc-project/swc's code at commit dc9d310](https://github.com/swc-project/swc/tree/dc9d310e3c8bb63312a9a5ec6803d585034ecb14)

### Which was updated more recently, swc or OpenViking?

Both got their last push on November 6, 2026.

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

### Which has more commits signed by AI, swc or OpenViking?

OpenViking: an AI signed 8.2% of its commits, with Claude Code, Cursor, Codex, and GitHub Copilot; in swc, 1%.

The proof: [the commits each tool signed in volcengine/OpenViking](https://seerepo.com/r/volcengine/OpenViking/ai)

## Sources

- swc-project/swc: Read on November 7, 2026, at commit dc9d310 (https://github.com/swc-project/swc/tree/dc9d310e3c8bb63312a9a5ec6803d585034ecb14)
- volcengine/OpenViking: Read on November 6, 2026, at commit a5f08d1 (https://github.com/volcengine/OpenViking/tree/a5f08d14eb9305803402e6ab71b88a66bf897187)

## 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.