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Qwen3.5 0.8B

Qwen
Code Multilingual Thinking Tool Calls Vision

Qwen3.5 0.8B is the smallest model in Alibaba's Qwen 3.5 family, built on the Gated Delta Networks hybrid architecture with 0.87 billion parameters, purpose-built for phones, edge devices, and ultra-constrained environments. It is natively multimodal, processing text, images, and video, with built-in thinking capabilities for chain-of-thought reasoning. The model supports a 262K context window and covers over 201 languages. Released under the Apache 2.0 license, it quantizes down to under 1 GB of VRAM at Q4, making it ideal for classification and simple tasks in self-hosted deployment scenarios.

Hardware Configuration

Optional — for precise deployment recommendations
Quantization Quality Size Fit
Q8_0 High 0.76 GB
Q8_K_XL High 1.1 GB
Q6_K High 0.6 GB
Q6_K_XL High 0.72 GB
Q5_K_M Medium 0.55 GB
Q5_K_S Medium 0.53 GB
Q5_K_XL Medium 0.56 GB
Q4_K_M Medium 0.5 GB
Q4_K_S Medium 0.47 GB
Q4_K_XL Medium 0.52 GB
Q4_0 Medium 0.47 GB
Q4_1 Medium 0.5 GB
Q3_K_M Low 0.44 GB
Q3_K_S Low 0.41 GB
Q3_K_XL Low 0.46 GB
Q2_K_XL Low 0.39 GB
Last updated: March 13, 2026