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hermes-agent vs prefect

hermes-agent and prefect share 13 technologies: React, FastAPI, Vite, Rich, jinja2, Zod, Tailwind CSS, class-variance-authority, tailwind-merge, Radix UI, Lucide, dnd-kit, and cmdk. Both are written in Python.

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What they share and what sets them apart

PrefectHQ

prefect

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

Python24.1kRead on November 4, 2026, at commit 60d9ea5What is prefect built with?

In common

Only in hermes-agent

  • Tauri
  • Tokio
  • @tauri-apps/api
  • React Router
  • Electron
  • openpyxl
  • tracing
  • tracing-subscriber
  • xterm
  • motion
  • @tanstack/react-virtual
  • D3
  • CodeMirror
  • react-dnd-html5-backend
  • use-stick-to-bottom
  • @icons-pack/react-simple-icons
  • streamdown
  • dompurify
  • katex
  • qrcode
  • shiki
  • yaml
  • js-yaml
  • remark-math
  • unified

Only in prefect

  • aiosqlite
  • Redis
  • Postgres
  • SQLite
  • starlette
  • uvicorn
  • AIOHTTP
  • Ray
  • @tanstack/react-router
  • Vue
  • vue-router
  • SQLAlchemy
  • alembic
  • azure-identity
  • cryptography
  • Pydantic
  • jsonschema
  • OpenTelemetry
  • docker
  • prometheus-client
  • boto3
  • next-themes
  • sonner
  • React Hook Form
  • tanstack
  • recharts
  • @uiw/react-codemirror
  • codemirror
  • react-day-picker
  • GSAP
  • Mermaid
  • @radix-ui/react-icons
  • react-markdown
  • rehype-raw
  • rehype-sanitize
  • remark-gfm
  • @hookform/resolvers

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
hermes-agent3,858,936 lines written5,274 code files
prefect945,152 lines written2,114 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
hermes-agent2.2% of its commits signed by AIWith Claude Code, Cursor, Codex, GitHub Copilot, Devin, OpenHands, Factory, Jules, and Crush
prefect9.7% of its commits signed by AIWith Devin, Claude Code, Codex, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
hermes-agentLast push November 4, 202658,269 commits260,334 stars
prefectLast push November 4, 202618,695 commits24,112 stars
TestsThe files that test the code, and the share of code files a test imports.
hermes-agent10,042 test files65.7% of its code files have a test that imports them
prefect1,242 test files26.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, hermes-agent or prefect?
hermes-agent, with 3,858,936 lines written in 5,274 code files; prefect has 945,152 in 2,114.

The proof: NousResearch/hermes-agent's code at commit 71736c9

Which has more GitHub stars, hermes-agent or prefect?
hermes-agent, with 260,334 stars; prefect has 24,112.

The proof: NousResearch/hermes-agent on GitHub

Which has more tests, hermes-agent or prefect?
hermes-agent, with 10,042 test files; prefect has 1,242.

The proof: NousResearch/hermes-agent's code at commit 71736c9

Which was updated more recently, hermes-agent or prefect?
Both got their last push on November 4, 2026.

The proof: PrefectHQ/prefect's commits on GitHub

Which has more commits signed by AI, hermes-agent or prefect?
prefect: an AI signed 9.7% of its commits, with Devin, Claude Code, Codex, GitHub Copilot, and Cursor; in hermes-agent, 2.2%.

The proof: the commits each tool signed in PrefectHQ/prefect

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