Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive-GGUF

Full llama.cpp quantization ladder for HauhauCS/Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive. K-quants from Q8_0 through Q4 use standard llama-quantize without an importance matrix. Low-bit Q3_K_L / Q3_K_M / Q3_K_S, Q2_K, and all IQ* types use WikiText-2 importance-matrix calibration (200 chunks) when this workspace contains imatrix.dat.

About the Source Model

This repo is a GGUF quantization ladder for HauhauCS/Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive: an Aggressive uncensored build based on Qwen/Qwen3.5-35B-A3B (MoE, multimodal, long context). Low-bit K-quants (Q3_K*, Q2_K) and IQ-types use an importance matrix when imatrix.dat was produced in this run—same spirit as our compacted Qwen3.5 GGUF ladder.

For refusal behavior, recommended sampling settings, and mmproj vision tensors, follow the HauhauCS model card and Qwen docs. Note: LM Studio may show 256×2.6B in the params column; HauhauCS reports this is a cosmetic metadata quirk.

Complementary files (read this if a quant is missing here)

The HauhauCS weight index already hosts BF16, Q8_0 through Q6_K, several Q4/Q5 variants, IQ4_XS, IQ3_M, IQ2_M, Q3_K_M, etc. This cahlen companion repo (HF names end with -GGUF) is disk-aware: it adds the extra ladder rungs we use on constrained hardware (e.g. Q5_K_S, Q4_K_S, Q3_K_L / Q3_K_S, Q2_K, IQ3_S, IQ3_XXS, IQ2_S, IQ2_XXS, IQ1_M) with the same WikiText-2 / 200-chunk imatrix workflow as cahlen/qwen3.5-35b-a3b-compacted-GGUF. Pull from HauhauCS if you need a size we do not mirror here.

Available Quantizations

Filename Quant Size Notes
Q5_K_S Q5_K_S 23G K-quant
Q4_K_S Q4_K_S 19G K-quant
Q3_K_L Q3_K_L 17G imatrix
Q3_K_S Q3_K_S 15G imatrix
IQ3_S IQ3_S 15G imatrix
IQ3_XXS IQ3_XXS 13G imatrix
Q2_K Q2_K 13G imatrix
IQ2_S IQ2_S 10G imatrix
IQ2_XXS IQ2_XXS 8.9G imatrix
IQ1_M IQ1_M 7.7G imatrix
mmproj-...-f16.gguf mmproj (vision) 858M Pair with any quant above

All filenames are prefixed with Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive-. The BF16 baseline (65G) was used locally for quantization but is not uploaded to save space; grab it from the HauhauCS source repo if needed. "imatrix" rows used WikiText-2 importance-matrix calibration (200 chunks).

Quality (WikiText-2 Perplexity)

Lower is better. First row is the unquantized baseline.

Quant Size Perplexity vs Baseline
BF16 (baseline) 65G 6.4393
Q5_K_S 23G 6.4871 +0.7%
Q4_K_S 19G 6.6214 +2.8%
Q3_K_L 17G 6.7204 +4.4%
IQ3_S 15G 6.7631 +5.0%
Q3_K_S 15G 6.9724 +8.3%
IQ3_XXS 13G 7.0490 +9.5%
Q2_K 13G 7.4896 +16.3%
IQ2_S 10G 8.1019 +25.8%
IQ2_XXS 8.9G 9.0738 +40.9%
IQ1_M 7.7G 11.1425 +73.0%

Measured with llama-perplexity on the WikiText-2 test set (580 chunks, context 512). BF16 baseline evaluated on CPU; quantized variants on NVIDIA RTX 5090.

How to Use

With llama.cpp (text)

llama-cli -m Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive-Q4_K_S.gguf --jinja -c 131072 -ngl 99 -p "Hello"

With llama.cpp (vision)

llama-cli -m Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive-Q4_K_S.gguf \
  --mmproj mmproj-Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive-f16.gguf \
  --jinja -c 131072 -ngl 99

With llama-server

llama-server -m Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive-Q4_K_S.gguf --jinja -c 131072 -ngl 99

With Ollama

ollama run hf.co/cahlen/Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive-GGUF:Q4_K_S

With LM Studio

Download any GGUF from the table and load it.

Choosing a Quant

Rough disk size / VRAM guidance (actual usage varies by context length and loader). Quants marked ★ are in this repo; others are on the HauhauCS source repo.

Your VRAM Try Size
24GB+ Q8_0 or Q6_K (HauhauCS) largest
16GB ★ Q5_K_S / ★ Q4_K_S 19–23G
12GB ★ Q3_K_L / ★ IQ3_S 15–17G
8GB ★ IQ3_XXS / ★ Q2_K 13G
6GB ★ IQ2_S / ★ IQ2_XXS 8.9–10G

Quantization Details

  • Quantized by: cahlen
  • Importance matrix: WikiText-2 (wikitext-2-raw-v1, 200 chunks), when generated for this run
  • Tool: llama.cpp @ 59d840209
  • Hardware: NVIDIA RTX 5090 32GB / Intel Core Ultra 9 285K / 188GB RAM
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