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Qwythos-9B-Claude-Mythos-5-1M

Qwythos-9B is a full-parameter reasoning model built on top of a deeply uncensored Qwen3.5-9B base and post-trained on over 500 million tokens of high-quality Claude Mythos and Claude Fable traces, with chain-of-thought generated in-house by Empero AI's internal tool rethink.

text → text · made by empero-ai

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About

Qwythos-9B-Claude-Mythos-5-1M — a text model from empero-ai.

It takes text and returns text. It was published in June 2026. The catalogue files it under evaluate. Its weights are published under APACHE-2.0, so you may run it on your own machine, or buy it from whoever serves it cheapest.

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Maker
empero-ai
Register
model
Takes
text
Returns
text
Published
June 2026
Parameters
9.4 billion · read from its own weights
Licence
apache-2.0

Known as 1 name

empero-ai/Qwythos-9B-Claude-Mythos-5-1M