Qwen-4B Sagui (Sagui-4B) Copyright 2026 sysrobson Also published as Sagui-4B-Vision-Thinking-Code-GGUF. "Qwen-4B" refers to the Qwen model family and the 4 billion parameter size, not to a Qwen 4 release. This product is a modified version of Qwen3.5-4B (https://huggingface.co/Qwen/Qwen3.5-4B), released by the Qwen team under the Apache License 2.0. The GGUF conversion used as source was published by Unsloth (https://huggingface.co/unsloth). Modifications made to the original work: - Vocabulary reduced from 248,320 to 140,761 tokens by removing tokens outside Latin scripts and technical symbols, along with their embedding rows. - Quantized to IQ3_XXS with an importance matrix calibrated on TypeScript. - GGUF identity metadata changed (name, repository, quantizer, tags). - Default chat template and sampling parameters provided for Ollama. "Qwen" is used only to describe the origin of this work. Sagui-4B is an independent community project, not affiliated with or endorsed by the Qwen team or Alibaba Cloud.