Qwythos 9B Claude Mythos 5 1M GGUF Developed by Empero GGUF quantizations of empero ai/Qwythos 9B Claude Mythos 5 1M for llama.cpp, Ollama, LM Studio, jan, KoboldCpp, and other GGUF runtimes. Qwythos 9B is a full parameter reasoning model post trained on over 500 million tokens of high quality Claude Mythos / Claude Fable traces with chain of thought generated in house by Empero AI's internal rethink tool. It dominates the base Qwen3.5 9B under matched evaluation ( +34 pts MMLU, +30 pts gsm8k strict, +19 pts gsm8k flex ), supports native function calling per the Qwen3.5 spec, and ships with a 1,048,576 token (1M) context window via YaRN rope scaling enabled by default. For full training details, evaluation numbers, and capability writeup, see the base model card . Files Normal text weights — fixed v3 replacements File Quant Size Notes Qwythos 9B Claude Mythos 5 1M Q4 K M.gguf Q4 K M 5.24 GiB / 5.63 GB recommended default — fixed v3, best compatibility Qwythos 9B Claude Mythos 5 1M Q5 K M.gguf Q5 K M 6.02 GiB / 6.47 GB fixed v3, balanced quality / size Qwythos 9B Claude Mythos 5 1M Q6 K.gguf Q6 K 6.85 GiB / 7.36 GB fixed v3, high quality Qwythos 9B Claude Mythos 5 1M Q8 0.gguf Q8 0…
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