Hermes Agent
MIT-licensed autonomous agent that keeps memory across sessions and calls 200+ models and hosted tools through a Nous Portal account or a self-supplied API key.
Find alternatives to Hermes Agent
The agent itself is MIT licensed and free to run (github.com/NousResearch/hermes-agent, licence confirmed via the GitHub API's own license field). It calls models and hosted tools through a Nous Portal account: the Free portal tier costs $0/month; the paid Plus/Super/Ultra tiers and Hermes Cloud always-on hosting are separate records.
What it does
- Agent orchestration
Sources
- Pricing
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Official documentation · 18 Sep 2026
Licence read from the GitHub API's own license field: MIT (246,632 stargazers as of 2026-09-18).
- Description
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Official documentation · 18 Sep 2026
"Hermes Agent is free and open source under the MIT license." Homepage tagline: "The agent that grows with you."
- Sold within
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Official documentation · 18 Sep 2026
Downloaded and run on its own; a Nous Portal account supplies the models and tools it calls, but the agent software itself has no purchasing parent.
- URL
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Official documentation · 18 Sep 2026
Fetched 2026-09-18, 200.
Also from Nous Research
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Nous Portal API service
Metered account for Hermes Agent and third-party apps: chat and API access to 200+ models plus a hosted tool gateway, billed through monthly credit-included subscription tiers.
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Hermes Cloud Infrastructure service
Always-on hosted instances that keep a Hermes Agent running and accumulating memory continuously, billed daily against the same Nous Portal credit balance that pays for model and tool usage.
Open Nous Research in the directory
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