🧠 Hermes Agent vs OpenFang ⚙️

Side-by-side comparison of Hermes Agent and OpenFang — two projects in the OpenClaw ecosystem.

Executive Summary

Hermes Agent is the more established choice by community size, while OpenFang is the more niche option for teams that care about its specific design tradeoffs.

Use the score table for the hard numbers, then use the decision notes below to figure out which tradeoffs matter for your team.

🧠 Hermes Agent

Hermes Agent momentum

+47k34x ecosystem avg

2026-03-19 to 2026-04-13

⚙️ OpenFang

OpenFang momentum

+19815% of avg

2026-03-19 to 2026-04-13

Choose Hermes Agent If...

  • + You want the larger community footprint and stronger proof of adoption in the market.
  • + Your team already builds in Python and wants a stack-aligned codebase.
  • + Its positioning around memory and self-hosted is closer to what you need.

Choose OpenFang If...

  • + Your team already builds in Rust and wants a stack-aligned codebase.
  • + Its positioning around agent-os and self-hosted is closer to what you need.
Stars
★ 75k
★ 17k
7d Growth
+47k
+198
Forks
10k
2.1k
Open Issues
3.7k
65
Language
Python
Rust
Categories
memory, self-hosted, multi-platform
agent-os, self-hosted, autonomous
Platform
Server, Messaging
Server
LLM Required
Yes
Yes
MCP Support
Yes
Yes
Integrations
License
MIT
Apache-2.0
Last Commit
0d ago
2d ago
Latest Release
v2026.4.8
v0.5.9
Health Score
85/100
95/100
Leaderboard Rank
#2 of 54
#10 of 54

Key Differences

  • Hermes Agent has 5x more stars (75k vs 17k), indicating significantly broader adoption.
  • Hermes Agent is growing faster with +47k stars this week vs +198 for OpenFang.
  • Hermes Agent is written in Python while OpenFang uses Rust, which may influence your choice depending on your stack.
  • Hermes Agent uses the MIT license while OpenFang uses Apache-2.0.
  • Hermes Agent focuses on memory, multi-platform while OpenFang targets agent-os, autonomous.

Which should you choose?

Both Hermes Agent and OpenFang are part of the OpenClaw ecosystem of personal AI agent frameworks. Your choice depends on your priorities — community size, language preference, project maturity, and specific feature focus.

If your stack is Python-based, Hermes Agent will integrate more naturally. For Rust developers, OpenFang is the better fit. Hermes Agent is gaining momentum faster right now (+47k/week), which may indicate a growing community and faster feature development.

Ultimately, the best choice depends on your specific use case. Check out each project's page for detailed stats and links to their repositories.

Frequently Asked Questions

Is Hermes Agent or OpenFang more popular?
Hermes Agent currently has 75k GitHub stars compared to 17k for OpenFang. In the last 7 days, Hermes Agent gained more stars (+47k).
What language is Hermes Agent vs OpenFang written in?
Hermes Agent is written in Python while OpenFang uses Rust. This affects plugin ecosystems, contribution accessibility, and runtime performance characteristics.
Do Hermes Agent and OpenFang support MCP?
Yes, both Hermes Agent and OpenFang support the Model Context Protocol (MCP), allowing them to connect to external tools and data sources through a standardized interface.

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