Hermes 4

Hermes 4

Nous Research
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About

Hermes 4 is the latest evolution in Nous Research’s line of neutrally aligned, steerable foundational models, featuring novel hybrid reasoners that can dynamically shift between expressive, creative responses and efficient, standard replies based on user prompts. The model is designed to respond to system and user instructions, rather than adhering to any corporate ethics framework, producing interactions that feel more humanistic, less lecturing or sycophantic, and encouraging roleplay and creativity. By incorporating a special tag in prompts, users can trigger deeper, internally token-intensive reasoning when tackling complex problems, while retaining prompt efficiency when such depth isn't required. Trained on a dataset 50 times larger than that of Hermes 3, much of which was synthetically generated using Atropos, Hermes 4 shows significant performance improvements.

About

SEAOTTER is a managed control plane for Hermes Agent on Google Cloud. Isolated, always-on agents. No VPS. No SSH. You create an agent in the dashboard. SEAOTTER provisions a per-agent namespace with a gVisor sandbox, typically in a few minutes. Pause, restart, restore, and reprovision from the API or UI. Logs and metrics included. You do not SSH into a box. Secrets go in a write-only tab and are stored in Google Secret Manager. Hermes loads them at startup. Do not paste keys into chat. After signup, connect with an org-scoped so_ MCP key from Cursor, Claude, or Codex. Hermes is the live harness: tools, memory, cron. us-central1 is live. 7-day trial, no credit card, one agent only (1 CPU / 4Gi / 8Gi). Then $99 per always-on agent / month. Extra agents after convert at +$99. Custom is book-a-call.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Advanced users and AI developers in need of a tool to balance deep inference capabilities with customizable, context-aware conversational workflows

Audience

Builders, operators, and small teams who want always-on Hermes Agent without running a VPS. Builders: people who already use Hermes (or want to) and need one standing agent for tools, memory, and cron. They close the laptop and the agent stays up. No ops hire. Operators: people who would otherwise SSH into a box to pause, restart, restore, or rotate keys. They want lifecycle from a dashboard and API, secrets in Google Secret Manager, and MCP from Cursor, Claude, or Codex. Teams: groups that outgrew a single laptop or a cheap VPS and want the same managed plane for more than one isolated agent after they convert from trial. Isolation is per agent from day one; it does not wait for an Enterprise SKU. Not the audience: agencies as a landing ICP, generic “host any agent” shoppers, or anyone looking for OtterScore / seaotter.ai. Custom / larger orgs can book a call. Industries are not locked. Fit is the job: keep open-source Hermes online without owning Linux, Docker, or SSH.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

Free
Free Version
Free Trial

Pricing

$99
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Nous Research
Founded: 2023
United States
hermes4.nousresearch.com

Company Information

SEAOTTER
Founded: 2026
United States
seaotter.dev/

Alternatives

Hermes 3

Hermes 3

Nous Research

Alternatives

Claude Sonnet 4

Claude Sonnet 4

Anthropic
MaxHermes

MaxHermes

MiniMax
Hermes Agent

Hermes Agent

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Spawn

Spawn

OpenRouter

Categories

Categories

Integrations

AgentKey
Hermes Agent
Nebius Token Factory
OpenBudget

Integrations

AgentKey
Hermes Agent
Nebius Token Factory
OpenBudget
Claim Hermes 4 and update features and information
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