Try NVIDIA Nemotron 3 for Free on OpenRouter

Melvin Vivas · X post · 2026-07-25 · Open on X

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

Summary

A short tip that NVIDIA's Nemotron 3 model can be used for free on OpenRouter. The creator is testing it with his Hermes personal AI agent. This is a quick way to try a new model without paying.

Key points

• Nemotron 3 is available as a free model on OpenRouter.
• OpenRouter gives you one API for many models, so you can swap models without changing code.
• The creator is testing Nemotron 3 as the model behind his Hermes agent.

Resources mentioned

• OpenRouter · tool · openrouter.ai · free
  A single OpenAI-compatible API that routes requests to hundreds of models from many providers, with one bill and model fallbacks.
  Also in: Customizing Your Coding Setup with Pi Coding Agent Extensions (Melvin Vivas on X · notes), The Jev model is now on OpenRouter (Melvin Vivas on X · notes), Kev-4B model, an alternative to Jev, now available on OpenRouter (Melvin Vivas on X · notes), Space Bunny Alpha: stealth 1M-context flash model on OpenRouter (Melvin Vivas on X · notes) and 42 more
• Nemotron 3 · tool · research.nvidia.com · free
  NVIDIA's Nemotron 3 language model family.
• 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 Nemotron 3 through OpenRouter's free tier.