hermes-agent vs swc

hermes-agent and swc share 5 technologies: React, Tokio, tracing, tracing-subscriber, and yaml. hermes-agent is written in Python and swc in Rust.

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What they share and what sets them apart

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
swc3,928,024 lines written1,214 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
swc1% of its commits signed by AIWith Claude Code, GitHub Copilot, and Warp
ActivityFrom GitHub and its history, on the day SeeRepo read it.
hermes-agentLast push November 4, 202658,269 commits260,334 stars
swcLast push November 6, 202612,405 commits34,208 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
swc48,541 test files14.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, hermes-agent or swc?
swc, with 3,928,024 lines written; hermes-agent has 3,858,936.

The proof: swc-project/swc's code at commit dc9d310

Which has more GitHub stars, hermes-agent or swc?
hermes-agent, with 260,334 stars; swc has 34,208.

The proof: NousResearch/hermes-agent on GitHub

Which has more tests, hermes-agent or swc?
swc, with 48,541 test files; hermes-agent has 10,042.

The proof: swc-project/swc's code at commit dc9d310

Which was updated more recently, hermes-agent or swc?
swc: its last push was on November 6, 2026, and hermes-agent's on November 4, 2026.

The proof: swc-project/swc's commits on GitHub

Which has more commits signed by AI, hermes-agent or swc?
hermes-agent: an AI signed 2.2% of its commits, with Claude Code, Cursor, Codex, GitHub Copilot, Devin, OpenHands, Factory, Jules, and Crush; in swc, 1%.

The proof: the commits each tool signed in NousResearch/hermes-agent

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