Source: https://seerepo.com/compare/FoundationAgents/OpenManus/vs/openai/gpt-oss
Markdown source: https://seerepo.com/compare/FoundationAgents/OpenManus/vs/openai/gpt-oss.md
Description: OpenManus and gpt-oss share 8 technologies: FastAPI, uvicorn, MCP, tiktoken, html2text, Pydantic, docker, and structlog. Both are written in Python.

# OpenManus vs gpt-oss

OpenManus and gpt-oss share 8 technologies: FastAPI, uvicorn, MCP, tiktoken, html2text, Pydantic, docker, and structlog. Both are written in Python.

- [FoundationAgents/OpenManus](https://seerepo.com/r/FoundationAgents/OpenManus): No fortress, purely open ground.  OpenManus is Coming.
- [openai/gpt-oss](https://seerepo.com/r/openai/gpt-oss): gpt-oss-120b and gpt-oss-20b are two open-weight language models by OpenAI

## What they share and what sets them apart

- In common: FastAPI, uvicorn, MCP, tiktoken, html2text, Pydantic, docker, structlog
- Only in OpenManus: datasets, OpenAI, beautifulsoup4, pillow, pydantic-core, boto3, loguru
- Only in gpt-oss: AIOHTTP, lxml

## Side by side

| | OpenManus | gpt-oss |
|---|---|---|
| Size | 12,674 lines written, 77 code files | 11,654 lines written, 36 code files |
| Who writes it | 0% of its commits signed by AI | 0% of its commits signed by AI |
| Activity | Last push November 2, 2026, 397 commits, 58,883 stars | Last push October 29, 2026, 129 commits, 20,514 stars |
| Tests | 7 test files. 16.9% of its code files have a test that imports them | 9 test files |

- 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, OpenManus or gpt-oss?

OpenManus, with 12,674 lines written; gpt-oss has 11,654.

The proof: [FoundationAgents/OpenManus's code at commit 3309bf4](https://github.com/FoundationAgents/OpenManus/tree/3309bf4e416fb1c74b008f3e86494439a31bad53)

### Which has more GitHub stars, OpenManus or gpt-oss?

OpenManus, with 58,883 stars; gpt-oss has 20,514.

The proof: [FoundationAgents/OpenManus on GitHub](https://github.com/FoundationAgents/OpenManus)

### Which has more tests, OpenManus or gpt-oss?

gpt-oss, with 9 test files; OpenManus has 7.

The proof: [openai/gpt-oss's code at commit 2770201](https://github.com/openai/gpt-oss/tree/277020131d524f06bed5f66b694a92ed7f6e5224)

### Which was updated more recently, OpenManus or gpt-oss?

OpenManus: its last push was on November 2, 2026, and gpt-oss's on October 29, 2026.

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

## Sources

- FoundationAgents/OpenManus: Read on November 5, 2026, at commit 3309bf4 (https://github.com/FoundationAgents/OpenManus/tree/3309bf4e416fb1c74b008f3e86494439a31bad53)
- openai/gpt-oss: Read on November 5, 2026, at commit 2770201 (https://github.com/openai/gpt-oss/tree/277020131d524f06bed5f66b694a92ed7f6e5224)

## 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.