Qwen3 Text Encoder (Nunchaku INT4) Language : English 中文 tonera/Qwen3 text Nunchaku is a quantized Qwen3 text encoder for the FLUX.2 klein family. It can be used as a drop in replacement for the pipeline text encoder . Note: As of 2026 04 09 , the Nunchaku PR for this functionality has still not been merged into the official main branch. If you want to try it early, you can pull and merge the code from nunchaku ai/nunchaku 927 . Usage If you also use a Nunchaku quantized Transformer, you can keep passing it through the usual transformer= argument of Flux2KleinPipeline . Quantization quality The following metrics are taken from hidden states last in data.json : Metric Value : Cosine similarity 0.995844 Relative L2 0.091183 Max absolute error 6.539062
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