Source: https://seerepo.com/compare/datawhalechina/hello-agents/vs/w-okada/voice-changer
Markdown source: https://seerepo.com/compare/datawhalechina/hello-agents/vs/w-okada/voice-changer.md
Description: hello-agents and voice-changer share 5 technologies: FastAPI, uvicorn, React, matplotlib, and torch. Both are written in Python.

# hello-agents vs voice-changer

hello-agents and voice-changer share 5 technologies: FastAPI, uvicorn, React, matplotlib, and torch. Both are written in Python.

- [datawhalechina/hello-agents](https://seerepo.com/r/datawhalechina/hello-agents): 📚 《从零开始构建智能体》——从零开始的智能体原理与实践教程
- [w-okada/voice-changer](https://seerepo.com/r/w-okada/voice-changer): リアルタイムボイスチェンジャー Realtime Voice Changer

## What they share and what sets them apart

- In common: FastAPI, uvicorn, React, matplotlib, torch
- Only in hello-agents: aiosqlite, asyncpg, psycopg2-binary, Postgres, chromadb, Redis, SQLite, oracledb, pymilvus, OpenAI, Qdrant, Hugging Face, Flask, fastmcp, starlette, anyio, AIOHTTP, Streamlit, Vite, Vue, vue-router, react-router-dom, cycler, fonttools, contourpy, Plotly, Gradio, Rich, alembic, SQLAlchemy, bcrypt, accelerate, MCP, onnxruntime, peft, safetensors, tavily-python, tokenizers, transformers, scikit-learn, sentence-transformers, tiktoken, datasets, langchain-openai, LangGraph, paddlenlp, rank-bm25, spaCy, lxml, markdown, openpyxl, pdfminer.six, pypdf, python-docx, reportlab, xlrd, pdfplumber, pillow, feedparser, pymupdf, beautifulsoup4, jinja2, annotated-types, email-validator, pydantic-core, Pydantic, jsonschema, OpenTelemetry, opentelemetry-exporter-otlp-proto-grpc, loguru, D3, katex, Tailwind CSS, markdown-it, vue-flow, Chart.js, vue-chartjs, highlight.js, dompurify, marked, react-markdown, Element, echarts, Leaflet, Mermaid, html2canvas, jspdf
- Only in voice-changer: localforage, onnxruntime-gpu, librosa, torchaudio, einops, react-error-boundary, wavesurfer.js, Font Awesome

## Side by side

| | hello-agents | voice-changer |
|---|---|---|
| Size | 226,661 lines written, 1,212 code files | 48,369 lines written, 342 code files |
| Who writes it | 2.4% of its commits signed by AI. With Codex, Cursor, and Claude Code | 0% of its commits signed by AI |
| Activity | Last push October 13, 2026, 660 commits, 86,039 stars | Last push September 26, 2026, 1,516 commits, 21,295 stars |
| Tests | 97 test files. 6.9% of its code files have a test that imports them | 2 test files. 0.3% 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, hello-agents or voice-changer?

hello-agents, with 226,661 lines written; voice-changer has 48,369.

The proof: [datawhalechina/hello-agents's code at commit 36f583c](https://github.com/datawhalechina/hello-agents/tree/36f583c233ea5cee4537ef93455702b55053af18)

### Which has more GitHub stars, hello-agents or voice-changer?

hello-agents, with 86,039 stars; voice-changer has 21,295.

The proof: [datawhalechina/hello-agents on GitHub](https://github.com/datawhalechina/hello-agents)

### Which has more tests, hello-agents or voice-changer?

hello-agents, with 97 test files; voice-changer has 2.

The proof: [datawhalechina/hello-agents's code at commit 36f583c](https://github.com/datawhalechina/hello-agents/tree/36f583c233ea5cee4537ef93455702b55053af18)

### Which was updated more recently, hello-agents or voice-changer?

hello-agents: its last push was on October 13, 2026, and voice-changer's on September 26, 2026.

The proof: [datawhalechina/hello-agents's commits on GitHub](https://github.com/datawhalechina/hello-agents/commits)

### Which has more commits signed by AI, hello-agents or voice-changer?

hello-agents: an AI signed 2.4% of its commits, with Codex, Cursor, and Claude Code.

## Sources

- datawhalechina/hello-agents: Read on November 4, 2026, at commit 36f583c (https://github.com/datawhalechina/hello-agents/tree/36f583c233ea5cee4537ef93455702b55053af18)
- w-okada/voice-changer: Read on November 5, 2026, at commit d8ef157 (https://github.com/w-okada/voice-changer/tree/d8ef15799470193f7c8176ef471245753a656626)

## 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.