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Brian Roemmele (post dated 2026-06-28) announces Qwythos 9B, an open-source model…

2026-06-28 · 21:01 UTC ·@twoya_kukucha ·0 min read

Brief

Brian Roemmele proclaims an open-source "Cambrian Explosion" with the release of Qwythos 9B on Hugging Face (empero-ai). He claims the Qwen3.5-based GGUF model is uncensored, quantized for efficiency, can handle up to one million tokens of context, is multimodal (images and text), supports function calls, and is available now for use.

Why it matters

Brian Roemmele (post dated 2026-06-28) announces Qwythos 9B, an open-source model released on Hugging Face by emper0-ai (empero-ai/Qwythos-9B-Claude-Mythos-5-1M-GGUF).

Key details

  • Qwythos 9B is described as Qwen3.5-based, delivered in GGUF format, uncensored, quantized for efficiency, able to reason over 1,000,000 tokens of context, understand images and text, and support function calling.
Source evidence

ООО! Смотрите, что! Офигеть!

Brian Roemmele (@BrianRoemmele)

BOOM!

Meet the open source Cambrian Explosion of repulsion of Anthropic!

Meet Qwythos 9B, a Qwen3.5 based GGUF that's both uncensored and quantized for efficiency.

I am running it now and it is brilliant!

A model that can reason through 1 million tokens of context, understand images and text, and even call functions.

Come and take it!

huggingface.co/empero-ai/Qwy…

Link

empero-ai/Qwythos-9B-Claude-Mythos-5-1M-GGUF · Hugging Face

We’re on a journey to advance and democratize artificial intelligence through open source and open science.
huggingface.co

— https://nitter.net/BrianRoemmele/status/2071292676150882319#m