head to head · open source
Hermes Agent vs pentestagent
Hermes Agent has 246,492 GitHub stars, 51,615 forks, 41,784 open issues and last shipped yesterday. pentestagent has 3,083 stars, 613 forks, 30 open issues and last shipped 11 days ago. Hermes Agent leads on adoption by 7,895% (246,492 vs 3,083 stars). Hermes Agent is written in Python under MIT; pentestagent is written in Python under MIT. Hermes Agent has attracted 21% as many forks as stars, pentestagent 20%. Hermes Agent was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai, ai-agents, llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Hermes Agent | pentestagent | |
|---|---|---|
| GitHub stars | ★ 246K | ★ 3.1K |
| License | MIT | MIT |
| Written in | Python | Python |
| Last push | 2026-09-17 | 2026-09-07 |
| Forks | ⑂ 52K | ⑂ 613 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hermes Agent if
- You weight community size — 246K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick pentestagent if
- You want the pentestagent feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and pentestagent fits your workflow better
About Hermes Agent
Hermes Agent is a desktop AI agent developed by Nous Research that maintains persistent memory and self improving capabilities across sessions and platforms. It operates as a local first, cross platform interface for LLMs, integrating with multiple model providers and deployment environments without vendor lock in. The agent implements a closed learning loop where it curates its own memory, creates and refines skills from experience, and supports cross session recall via full text search and summarization.
read the full Hermes Agent overview →
About pentestagent
PentestAgent is Python based AI agent framework for black box security testing. Project lives in AI & Machine Learning / AI Interaction & Interfaces ecosystem. It supports bug bounty, red team, and penetration testing workflows. It provides terminal user interface, Docker tool execution, multi agent orchestration, and model access through OpenAI, Anthropic, or other LiteLLM supported providers.
read the full pentestagent overview →
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Frequently asked questions
Is Hermes Agent or pentestagent more popular?
Hermes Agent has 246,492 GitHub stars and pentestagent has 3,083. Hermes Agent has the larger community by that measure.
Are Hermes Agent and pentestagent free?
Both are open source. Hermes Agent is licensed under MIT and pentestagent under MIT. Neither carries a licence fee.
What is the difference between Hermes Agent and pentestagent?
Hermes Agent is written in Python and pentestagent in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Hermes Agent or pentestagent?
Choose Hermes Agent if you want the larger community (246,492 stars) or its MIT licence terms. Choose pentestagent if its feature set, stack or MIT licence fits better. Both are self-hostable.