Source: https://seerepo.com/compare/pollen-robotics/microduck/vs/volcengine/OpenViking
Markdown source: https://seerepo.com/compare/pollen-robotics/microduck/vs/volcengine/OpenViking.md
Description: microduck and OpenViking share 8 technologies: FastAPI, uvicorn, Tokio, Ratatui, image, jinja2, tracing, and tracing-subscriber. microduck is written in Rust and OpenViking in Python.

# microduck vs OpenViking

microduck and OpenViking share 8 technologies: FastAPI, uvicorn, Tokio, Ratatui, image, jinja2, tracing, and tracing-subscriber. microduck is written in Rust and OpenViking in Python.

- [pollen-robotics/microduck](https://seerepo.com/r/pollen-robotics/microduck): A Tiny biped duck robot 🦆
- [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: FastAPI, uvicorn, Tokio, Ratatui, image, jinja2, tracing, tracing-subscriber
- Only in microduck: axum, glib, Gradio, ort, av, hound, qrcode, roxmltree, Hugging Face
- Only in OpenViking: AIOHTTP, aws-sdk-s3, fred, rusqlite, sqlx, sqlx-sqlite, SQLite, lru, Redis, MySQL, OpenAI, React, Vite, TanStack, crossterm, indicatif, argon2-cffi, cryptography, hkdf, agent-framework-core, LangChain, MCP, litellm, firecrawl-anydoc, pdfplumber, zip, cairosvg, defusedxml, feedparser, 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, yaml, streamdown, file-type, highlight.js, qrcode.react, rehype-raw, rehype-sanitize, remark-breaks, rjsf

## Side by side

| | microduck | OpenViking |
|---|---|---|
| Size | 157,955 lines written, 206 code files | 1,152,111 lines written, 2,091 code files |
| Who writes it | 25.8% of its commits signed by AI. With Claude Code and Codex | 8.2% of its commits signed by AI. With Claude Code, Cursor, Codex, and GitHub Copilot |
| Activity | Last push November 9, 2026, 1,081 commits, 13,619 stars | Last push November 6, 2026, 3,138 commits, 41,668 stars |
| Tests | 19 test files. 1.5% 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, microduck or OpenViking?

OpenViking, with 1,152,111 lines written; microduck has 157,955.

The proof: [volcengine/OpenViking's code at commit a5f08d1](https://github.com/volcengine/OpenViking/tree/a5f08d14eb9305803402e6ab71b88a66bf897187)

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

OpenViking, with 41,668 stars; microduck has 13,619.

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

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

OpenViking, with 1,410 test files; microduck has 19.

The proof: [volcengine/OpenViking's code at commit a5f08d1](https://github.com/volcengine/OpenViking/tree/a5f08d14eb9305803402e6ab71b88a66bf897187)

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

microduck: its last push was on November 9, 2026, and OpenViking's on November 6, 2026.

The proof: [pollen-robotics/microduck's commits on GitHub](https://github.com/pollen-robotics/microduck/commits)

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

microduck: an AI signed 25.8% of its commits, with Claude Code and Codex; in OpenViking, 8.2%.

The proof: [the commits each tool signed in pollen-robotics/microduck](https://seerepo.com/r/pollen-robotics/microduck/ai)

## Sources

- pollen-robotics/microduck: Read on November 9, 2026, at commit da34a22 (https://github.com/pollen-robotics/microduck/tree/da34a2212ae12eddfd73d0dfbf924f291aaf1dc9)
- 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.