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It's a split decision.
Choose OpenClaw if you want a free, MIT-licensed agent you can install from npm, pnpm, or source and operate on your own infrastructure. Choose Hermes Agent if you want one agent across messaging platforms, persistent memory, scheduling, subagents, and an option to pay for cloud hosting. Both are self-hostable and free to run as software, but neither removes model-provider and infrastructure costs. Hermes also has paid plans with published monthly prices; OpenClaw has no paid hosted tier.
01Side by side
| OpenClaw | Hermes Agent | |
|---|---|---|
| Pricing model | Free self-hosted software; no paid hosted tier | Free tier plus paid hosted plans from $20/month |
| Free tier | Free; seat and usage limits unpublished | Free models; standard limits, no hosted tools |
| Open source and licence | Open source under MIT | Open source under MIT |
| Self-hosting | Install on macOS, Windows, or Linux | Run on a computer or deploy to cloud |
| CLI and docs | npm, pnpm, installer, and source checkout | Terminal installer; docs cover setup and integrations |
| Integrations | Testimonials mention ChatGPT, Discord, Twilio, and X API | Telegram, Discord, Slack, WhatsApp, Signal, email, and CLI |
| Deployment model | Desktop apps or self-managed installation | Desktop, self-hosted, or hosted cloud agent |
| Platforms | Desktop apps for macOS, Windows, and Linux | macOS and Windows desktop; Linux terminal install |
OpenClaw Choose OpenClaw if
- Choose OpenClaw if you want a free, self-hosted MIT project.
- Choose OpenClaw if npm, pnpm, or source installation fits your workflow.
- Choose OpenClaw if you want desktop apps across macOS, Windows, and Linux.
Hermes Agent Choose Hermes Agent if
- Choose Hermes Agent if you need more built-in messaging channels.
- Choose Hermes Agent if persistent memory, scheduling, and subagents matter.
- Choose Hermes Agent if you want paid cloud hosting with listed monthly plans.
02Pricing at real usage
OpenClaw is free under the MIT License, with no paid hosted tier. Self-hosting still means supplying models and infrastructure, so your total cost depends on the providers and compute you choose. The pricing page lists no seat or usage limits.
Hermes Agent is also open source and free to run, but its free hosted tier is restricted to free models, standard rate limits, and no hosted tools or cloud agent hosting. Paid plans cost $20 per month for Plus, $100 for Super, and $200 for Ultra. They include hosted tools and one cloud agent; the listed RAM and disk allowances vary by plan. Super includes five times Plus usage, and Ultra ten times. Pay-as-you-go credit top-ups are available, and extra or larger cloud agents are billed daily from credits. Provider pricing and annual prices are separate or unpublished.
03API, SDKs and integration
Neither homepage documents a public application API, SDK, or supported implementation languages. Treat both as agent software to install and configure, rather than assuming they expose an integration API for your application.
OpenClaw offers a shell installer, npm i -g openclaw, pnpm installation, and source checkout instructions. Its homepage provides onboarding and commands to switch between the dev and stable update channels. It describes the source checkout as a pnpm workspace. Homepage testimonials mention signing in with a ChatGPT account and using Discord, Twilio, and the X API; they are not a complete integration reference.
Hermes provides a terminal install command, desktop apps, and documentation for configuring messaging integrations. Its listed surfaces include Telegram, Discord, Slack, WhatsApp, Signal, email, and CLI. The agent also supports model providers and Nous Portal. Its features include persistent memory, scheduled tasks, web search, browser automation, and isolated subagents. Check the documentation for the setup requirements of each connector before choosing it for a production workflow.
04Open source, self-hosting and lock-in
Both projects are open source under the MIT License and can be self-hosted. OpenClaw provides source installation instructions and desktop apps for macOS, Windows, and Linux. Hermes can run on a computer or in the cloud; its sandbox backends include local, Docker, SSH, Singularity, and Modal.
With either tool, you choose the model provider, so costs and provider dependencies follow that choice. Hermes also offers Nous Portal and hosted cloud plans as optional services. Its FAQ recommends backing up the Hermes data directory when moving to another computer; the vendor does not publish a data export format there. OpenClaw's homepage gives source access but does not describe a data export format. Before migrating either agent, confirm how its data and configuration are stored and test a backup restore in your own environment.
Questions people ask
Is OpenClaw or Hermes Agent cheaper?
Both agent projects are free and open source. OpenClaw has no paid hosted tier, but you supply models and infrastructure. Hermes offers a free hosted tier with restrictions, then paid plans at $20, $100, and $200 per month. Model-provider and infrastructure costs can add to either option.
Can I self-host both agents?
Yes. OpenClaw can be installed on macOS, Windows, and Linux, including through npm, pnpm, or source. Hermes can run on a computer, and its desktop and terminal installation options cover supported systems. Hermes also offers optional cloud hosting.
Which agent has more messaging integrations?
Hermes lists Telegram, Discord, Slack, WhatsApp, Signal, email, and CLI as access surfaces. OpenClaw homepage testimonials mention Discord, Twilio, and the X API, along with signing in using a ChatGPT account. For a messaging-heavy workflow, Hermes lists more channels directly.
Do OpenClaw and Hermes Agent provide APIs or SDKs?
Their homepages do not document public application APIs or SDKs, so developers should not assume either agent is an embeddable service. OpenClaw lists CLI, package-manager, and source installation options. Hermes lists a terminal installer and documentation for configuring its integrations.