head to head · open source
Hermes Agent vs GPTCache
Hermes Agent has 261,253 GitHub stars, 57,848 forks, 41,784 open issues and last shipped yesterday. GPTCache has 8,220 stars, 605 forks, 101 open issues and last shipped 2 months ago. Hermes Agent leads on adoption by 3,078% (261,253 vs 8,220 stars). Hermes Agent is written in Python under MIT; GPTCache is written in Python under MIT. Hermes Agent has attracted 22% as many forks as stars, GPTCache 7%. Hermes Agent was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (chatgpt, 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 | GPTCache | |
|---|---|---|
| GitHub stars | ★ 261K | ★ 8.2K |
| License | MIT | MIT |
| Written in | Python | Python |
| Last push | 2026-11-07 | 2026-09-22 |
| Forks | ⑂ 58K | ⑂ 605 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hermes Agent if
- You weight community size — 261K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick GPTCache if
- You want the GPTCache feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and GPTCache fits your workflow better
About Hermes Agent
Hermes Agent ☤ Hermes Agent Hermes Desktop The self improving AI agent built by Nous Research. It's the only agent with a built in learning loop — it creates skills from experience, improves them during use, nudges itself to persist knowledge, searches its own past conversations, and builds a deepening model of who you are across sessions. Run it on a $5 VPS, a GPU cluster, or serverless infrastructure that costs nearly nothing when idle. It's not tied to your laptop — talk to it from Telegram while it works on a cloud VM. Use any model you want — Nous Portal, OpenRouter, OpenAI, your own endpoint, and many…
read the full Hermes Agent overview →
About GPTCache
GPTCache : A Library for Creating Semantic Cache for LLM Queries Slash Your LLM API Costs by 10x 💰, Boost Speed by 100x ⚡ 🎉 GPTCache has been fully integrated with 🦜️🔗LangChain ! Here are detailed usage instructions. 🐳 The GPTCache server docker image has been released, which means that any language will be able to use GPTCache! 📔 This project is undergoing swift development, and as such, the API may be subject to change at any time. For the most up to date information, please refer to the latest documentation and release note. NOTE: As the number of large models is growing explosively and their API shape…
read the full GPTCache overview →
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Frequently asked questions
Is Hermes Agent or GPTCache more popular?
Hermes Agent has 261,253 GitHub stars and GPTCache has 8,220. Hermes Agent has the larger community by that measure.
Are Hermes Agent and GPTCache free?
Both are open source. Hermes Agent is licensed under MIT and GPTCache under MIT. Neither carries a licence fee.
What is the difference between Hermes Agent and GPTCache?
Hermes Agent is written in Python and GPTCache 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 GPTCache?
Choose Hermes Agent if you want the larger community (261,253 stars) or its MIT licence terms. Choose GPTCache if its feature set, stack or MIT licence fits better. Both are self-hostable.