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It's a split decision.
Choose Hermes Agent if you want one agent across messaging apps, persistent memory, scheduled tasks and optional cloud hosting. Its hosted plans start at $20 per month, while a free plan and self-hosted use are also available. Choose ZeroClaw if you want a self-hosted Rust binary, 30+ messaging channels, configurable security controls or hardware integrations. Both are open source and let you choose model providers; compare the deployment and integration requirements before adopting either in a production stack.
01Side by side
| Hermes Agent | ZeroClaw | |
|---|---|---|
| Pricing model | Hosted subscriptions from $20/month; self-hosting is optional. | No paid plans or billing terms listed. |
| Free tier | Free models, standard rate limits; no hosted tools or cloud hosting. | Free open-source runtime; self-hosted. |
| Open source and licence | Open source under the MIT license. | Open source; repository lists MIT and Apache license files. |
| Self-hosting | Local, Docker, SSH, Singularity and Modal backends. | Self-hosted Rust runtime; Docker support listed. |
| Integrations | Telegram, Discord, Slack, WhatsApp, Signal, email and CLI. | 30+ channels, about 20 providers and custom MCP servers. |
| Deployment model | Run locally or deploy an optional hosted cloud agent. | Run the single Rust binary on your infrastructure. |
| Platforms | macOS, Windows and Linux. | Linux, macOS, Windows, FreeBSD, NixOS and Docker. |
| CLI and docs | Terminal installer, desktop apps and linked documentation. | Rust binary; repository includes a README and docs directory. |
Hermes Agent Choose Hermes Agent if
- Choose Hermes Agent if you need persistent memory across messaging platforms.
- Choose Hermes Agent if you want natural-language scheduled tasks and subagents.
- Choose Hermes Agent if you want optional hosted plans alongside self-hosting.
ZeroClaw Choose ZeroClaw if
- Choose ZeroClaw if you need a Rust runtime on your own infrastructure.
- Choose ZeroClaw if you need support for 30+ messaging channels.
- Choose ZeroClaw if your project uses GPIO, I2C, SPI or USB hardware.
02Pricing at real usage
Hermes Agent has a free plan for free models, with standard rate limits and no hosted tools or cloud agent hosting. The pricing page lists Plus at $20 per month, Super at $100 and Ultra at $200. Those tiers include hosted tools and one cloud agent each; the listed RAM and disk differ by plan. Super includes 5× Plus usage and Ultra 10× Plus usage. Extra or larger cloud agents are billed daily from credits, and pay-as-you-go top-ups are available. The page says paid tiers bill monthly; annual prices are not published. The Hermes software is also open source, and cloud hosting is optional. ZeroClaw's pricing page lists no paid plans or monthly or annual billing terms. Its self-hosted runtime has no listed subscription price, but model-provider and infrastructure costs depend on your setup; the project does not quote a total at a given usage level.
03API, SDKs and integration
Hermes is an agent runtime with a CLI, desktop apps and messaging integrations, rather than a documented SDK in the product details. The homepage gives a terminal install command for macOS and Linux and links setup documentation; desktop downloads cover macOS and Windows. It connects to Telegram, Discord, Slack, WhatsApp, Signal and email, and can use a model provider or Nous Portal. The listed features include web search, browser automation, memory, scheduled tasks and subagents. ZeroClaw is a single Rust binary that routes messages to an agent loop. Its integrations include Anthropic, OpenAI, Ollama and about 20 other providers, 30+ channels and custom MCP servers. The repository includes a README and docs directory. Neither product page names a public API contract or language-specific SDKs, so check the current project documentation if your integration depends on calling an API directly or embedding an SDK.
04Open source, self-hosting and lock-in
Hermes Agent is open source under the MIT license. You can run it locally or use its Docker, SSH, Singularity and Modal sandbox backends; cloud hosting is optional. The homepage says conversations, memories and skills persist between sessions and advises keeping a backup of the Hermes data directory when moving computers. It supports your own model provider or Nous Portal, giving you a choice of model connection. ZeroClaw is also open source and self-hosted, with MIT and Apache license files in its repository. Its provider integrations include Anthropic, OpenAI and Ollama, and its runtime includes workspace boundaries, command policy and OS-level sandboxes. Both projects let developers operate the agent runtime themselves instead of requiring a vendor-hosted agent service. Hermes documents a data-directory backup step; plan your own migration and backup process for either deployment.
Questions people ask
Which is cheaper to run?
ZeroClaw has no paid plans or billing terms listed, while Hermes has a free plan and hosted tiers starting at $20 per month. Those figures do not establish total operating cost: model-provider usage and the infrastructure for self-hosting depend on your setup.
Can I self-host both agents?
Yes. Hermes can run locally and lists Docker, SSH, Singularity and Modal sandbox backends; its cloud hosting is optional. ZeroClaw is a self-hosted Rust runtime, with Docker among its listed platforms. Choose based on your deployment environment and the isolation controls you need.
Do Hermes Agent or ZeroClaw provide SDKs?
The product pages do not name language-specific SDKs or a public API contract. Hermes documents a CLI installer, desktop apps and messaging integrations. ZeroClaw is delivered as a Rust binary and supports channels, providers and custom MCP servers. Check project documentation for your required interface.
Which has more production security controls?
ZeroClaw lists supervised autonomy, workspace boundaries, command policy and OS-level sandboxes. Hermes lists local, Docker, SSH, Singularity and Modal sandbox backends, plus container hardening and namespace isolation. The right fit depends on your threat model and how you configure and operate the runtime.