inclusionAI-ZwZ2-9B-GGUF

ZwZ2-9B (inclusionAI/ZwZ2-9B) is an open-weight 9B-parameter vision-language model from inclusionAI’s Zooming-without-Zooming-v2 collection, built on Qwen/Qwen3.5-9B to connect evidence across image regions through comparison, matching, aggregation, and multi-step reasoning without inference-time zooming tools. Trained directly with Group Relative Policy Optimization (GRPO), without an additional supervised fine-tuning stage, it uses approximately 20,000 examples from inclusionAI/ZwZ2-RL-VQA, generated through the EvidenceConnect pipeline on SA-1B images. The pipeline creates multi-region questions from 3–7 related regions, using privileged crops for data construction while training on full images with highlighted regions. Across 25 benchmarks spanning fine-grained perception, spatial reasoning, long-context visual understanding, multimodal agents, and general visual reasoning, ZwZ2-9B outperforms its Qwen3.5-9B base on all 25 benchmarks, improving equal-weighted accuracy from 51.63% to 56.59% (+4.96 points). Evaluation includes the 25 non-counting tasks of the MMLongBench* visual core, covering V-RAG, Image MM-NIAH, and VH-Multi. The model supports BF16 inference through Hugging Face Transformers (transformers==5.13.1) using Qwen3_5ForConditionalGeneration, AutoProcessor, and the included chat_template.jinja. It uses non-thinking mode and greedy decoding by default, wrapping final responses in answer tags unless overridden by a custom system message.

MTP β€” Speculative Decoding: No

Model Files

File Name Quant Type File Size File Link Description
ZwZ2-9B.BF16.gguf BF16 17.9 GB Link Full BF16 weights. Highest quality, largest file size.
ZwZ2-9B.Q3_K_L.gguf Q3_K_L 4.93 GB Link Lower quality but usable, good for low RAM availability.
ZwZ2-9B.Q3_K_M.gguf Q3_K_M 4.62 GB Link Low quality.
ZwZ2-9B.Q4_K_M.gguf Q4_K_M 5.63 GB Link Good quality, default size for most use cases, recommended.
ZwZ2-9B.Q4_K_S.gguf Q4_K_S 5.35 GB Link Slightly lower quality with more space savings, recommended.
ZwZ2-9B.Q5_K_M.gguf Q5_K_M 6.47 GB Link High quality, recommended.
ZwZ2-9B.Q5_K_S.gguf Q5_K_S 6.31 GB Link High quality, recommended.
ZwZ2-9B.Q6_K.gguf Q6_K 7.36 GB Link Very high quality, near perfect, recommended.
ZwZ2-9B.Q8_0.gguf Q8_0 9.53 GB Link Extremely high quality, generally unneeded but max available quant.
ZwZ2-9B.mmproj-bf16.gguf mmproj-bf16 922 MB Link Multimodal projection file in BF16 format. Used for vision/language models.

llama.cpp

LLM inference in C/C++ β€” https://github.com/ggml-org/llama.cpp

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qwen35
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