NousResearch_Hermes-4-405B-GGUF
Released by bartowski in 2025, NousResearch_Hermes-4-405B-GGUF is a 405 billion parameter chat model. NousResearch_Hermes-4-405B-GGUF is an open-weights chat model with roughly 405 billion parameters.
by bartowski · 405B parameters
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Ways to use NousResearch_Hermes-4-405B-GGUF in osFoundry
Connect with your own key (BYOK)
Open the key dialog and paste your bartowski API key. osFoundry discovers NousResearch_Hermes-4-405B-GGUF automatically — assign it to a Maestro role (router, direct, orchestrator, or fallback) in the Pipeline tab and it is live in every chat. Your key, your provider account — no token markup.
Deploy a dedicated endpoint
NousResearch_Hermes-4-405B-GGUF is open-weights — run it locally for free, or deploy a dedicated GPU endpoint in your workspace for reserved capacity with no rate limits.
Use it in a Room App
Room Apps declare AI features in their manifest, then call them with invokeAI:
import { invokeAI } from '@osfoundry/app-sdk'
// 'summarize' is an AI feature declared in your app manifest.
const result = await invokeAI('summarize', userText)
Call it from your own apps
Once a model is wired into your workspace you can host it as an API and reach it from your own services, scripts, or CI — outside osFoundry.
What hardware can run NousResearch_Hermes-4-405B-GGUF
NousResearch_Hermes-4-405B-GGUF runs on a multi-GPU setup or H200 141GB at Q4 (~243 GB VRAM with KV-cache headroom). Full-precision inference requires multiple H100/H200 GPUs at FP16 (~972 GB).
NousResearch_Hermes-4-405B-GGUF vs similar models
Licence
Unspecified — Licence terms not specified — verify the upstream model card before commercial use.
Check upstream documentation.
Frequently asked about NousResearch_Hermes-4-405B-GGUF
Is NousResearch_Hermes-4-405B-GGUF free to use?
NousResearch_Hermes-4-405B-GGUF is free to run locally on your own hardware. Hosted access through osFoundry is metered (input Free (local), output Free (local)). You can switch between local and hosted at any time.
Can I use NousResearch_Hermes-4-405B-GGUF commercially?
Commercial use is allowed with conditions. Licence terms not specified — verify the upstream model card before commercial use. Check upstream documentation.
How much VRAM does NousResearch_Hermes-4-405B-GGUF need?
Approximately 243 GB at Q4 quantisation, or 972 GB at full FP16 precision. Requires multi-GPU at higher quantisation.
Can I run NousResearch_Hermes-4-405B-GGUF locally?
Yes. NousResearch_Hermes-4-405B-GGUF is open-weights and runs locally on a workstation GPU. osFoundry's local runtime handles model loading, quantisation, and routing.
What is NousResearch_Hermes-4-405B-GGUF best at?
NousResearch_Hermes-4-405B-GGUF is well-suited to text generation.
How do I use NousResearch_Hermes-4-405B-GGUF in osFoundry?
Paste your bartowski API key in the key dialog (or deploy the open weights for self-hostable models), assign NousResearch_Hermes-4-405B-GGUF to a Maestro role in the Pipeline tab, then use it in chat, Room Apps via invokeAI, or your own apps.
Published by bartowski on August 26, 2025. Source: https://huggingface.co/bartowski/NousResearch_Hermes-4-405B-GGUF