Grok 4.5 Works Well as the Model Behind Hermes Agent

Melvin Vivas · X post · 2026-07-30 · Open on X

Topics: AI Agents, Tool Use & MCP, LLM Fundamentals · Level: beginner

Summary

The creator reports that Grok 4.5 performs well as the model behind Hermes Agent. He also didn't hit his weekly usage limit, which suggests the limits were raised.

Key points

• Grok 4.5 is a strong model choice to run in Hermes Agent
• Grok's weekly usage limits seem to have gone up

Resources mentioned

• Grok 4.5 · tool · x.ai · paid
  An LLM said to be trained in partnership with SpaceXAI, pitched as a general model beyond software engineering.
  Also in: Models That Work With the Hermes Agent for Personal Productivity (Melvin Vivas on X · notes), Agent-Made Video in 10 Minutes: Hermes Agent + Grok 4.5 + Hyperframes (Melvin Vivas on X · notes), Personal Assistant Agent on Hermes: Morning Briefings and Inbox Triage (Melvin Vivas on X · notes), Running Parallel Agents With Different Models in Cursor Mobile (Melvin Vivas on X · notes) and 9 more
• Hermes Agent · tool · github.com · free
  Nous Research's open-source AI agent with CLI, TUI and desktop interfaces. It now supports hands-free activation with a wake word.
  Also in: Inspecting Coding-Agent Traces Live with JSONL Viewer (Codex, Claude Code) (Melvin Vivas on X · notes), Hermes Agent: each bot is its own profile (Melvin Vivas on X · notes), An X research bot built with Hermes (Melvin Vivas on X · notes), Run Your Hermes Agent on Free LFM2.5-2.6B via OpenRouter (Melvin Vivas on X · notes) and 55 more

Try this

• Try Grok 4.5 as the model in Hermes Agent