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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

$0.43→$1.12per Mtok in / out
Featherless AI

Sold by 1 way

SellerLaneRate
Featherless AI aggregatorstandard$0.43per Mtok in$1.12per Mtok outapi.featherless.ai · read 2026-09-20

About

Qwythos-9B-Claude-Mythos-5-1M — a text model from empero-ai, sold by one company from $0.43 in and $1.12 out per million tokens.

It takes text and returns text, with a context window of 32,768 tokens. 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. Only Featherless AI sells it, at $0.43 in and $1.12 out per million tokens.

Every current figure

Maker
empero-ai
Register
model
Takes
text
Returns
text
Context
32,768 tokens
Published
June 2026
Parameters
9.4 billion · read from its own weights
Licence
apache-2.0
Sellers
1
Maker's own price
not read
Price
$0.43 in and $1.12 out per million tokens — Featherless AI

Known as 2 names

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