⚡ FlashModel-Qwen-3.6-35B-A3B-Maxed — GGUF

GGUF quants of FlashModel-Qwen-3.6-35B-A3B-Maxed, a reasoning / coding / agentic / bilingual fine-tune of Qwen/Qwen3.6-35B-A3B.

Key capabilities:

  • Code: Rust, TypeScript, JavaScript, Python, QML, HTML, CSS, Bash
  • Controllable reasoning effort: reasoning_effort=low|medium|high|xhigh|max in the system prompt — real control, not truncation
  • Agentic tool use: file read/write, shell, git operations
  • Bilingual EN/RU dialogue (≈22% RU in training)
  • MTP speculative decoding (--spec-type draft-mtp): 77% draft acceptance; measured decode 29.2 vs 27.2 tok/s without MTP (about +7%, one 400-token sample, IQ3_XXS on a Radeon 680M iGPU).

Provided Quants

All quants use an importance matrix computed on this fine-tune with code-weighted calibration (local coding chats + Rust/TS/JS/Python/QML/CSS samples, plus some RU). Every tensor uses the quant's base type (stock llama-quantize, no expert overrides); the MTP head is kept at Q4_K/Q5_K in the low-bit quants. Sizes include the MTP head.

Why this range? Below IQ3_XXS quality degrades noticeably on code and reasoning; above Q5_K_M the gain is too small to justify the extra VRAM — for a 24 GB card the sweet spot is already covered. Q4_K_M is the default recommendation.

Link Type Size/GB Notes
GGUF IQ3_XXS ~14.1 floor — smaller starts to hurt quality
GGUF IQ3_S ~15.4 better quality
GGUF IQ4_XS ~18.2 good trade-off
GGUF IQ4_NL ~18.5 balanced+
GGUF Q4_K_M ~22.7 recommended for 24 GB VRAM
GGUF Q5_K_S ~24.9 24 GB VRAM + offload some layers
GGUF Q5_K_M ~26.5 ceiling — higher is pointless for this VRAM
imatrix imatrix — importance matrix used for every quant above

Which one should I pick?

Your free VRAM Pick
≥ 28 GB Q5_K_M — best quality available
~26 GB Q5_K_S
24 GB Q4_K_M — default choice
~22 GB IQ4_XS
≤ 20 GB IQ3_S, then IQ3_XXS

Leave room for the KV cache: long reasoning traces need context. Size numbers are file sizes, not total memory use. Context length beyond 16k is not yet measured on this fine-tune.

mmproj

mmproj-Q8_0.gguf — vision encoder in Q8_0 (~0.45 GB). Use with vision-enabled builds.

Usage

llama.cpp (recommended)

# download one quant
huggingface-cli download flashback2k/FlashModel-Qwen-3.6-35B-A3B-Maxed-GGUF \
  FlashModel-Qwen-3.6-35B-A3B-Maxed-Q4_K_M.gguf mmproj-Q8_0.gguf --local-dir .

# server with MTP speculative decoding
llama-server -m FlashModel-Qwen-3.6-35B-A3B-Maxed-Q4_K_M.gguf \
  --mmproj mmproj-Q8_0.gguf --spec-type draft-mtp --spec-draft-n-max 2 \
  -c 32768 --flash-attn -ngl 99 --jinja

# effort control via system prompt
#   low    -> 1-2 sentences
#   medium -> paragraph
#   high   -> multi-paragraph reasoning
#   max    -> full chain-of-thought
system: "You are a coding and reasoning assistant.
reasoning_effort=high
Adjust the depth of your reasoning to the level given above."

Or pull straight from the Hub: llama-server -hf flashback2k/FlashModel-Qwen-3.6-35B-A3B-Maxed-GGUF:Q4_K_M --jinja

Ollama

ollama run hf.co/flashback2k/FlashModel-Qwen-3.6-35B-A3B-Maxed-GGUF:Q4_K_M

LM Studio

Search for flashback2k/FlashModel-Qwen-3.6-35B-A3B-Maxed-GGUF and pick a quant.

Recommended sampling (from Qwen3.6)

Mode temperature top_p top_k min_p presence_penalty
Thinking, general 1.0 0.95 20 0.0 1.5
Thinking, precise coding 0.6 0.95 20 0.0 0.0
Non-thinking, general 0.7 0.8 20 0.0 1.5

Always pass --jinja so the embedded chat template (thinking blocks, tool calls) is used.

How these were made

Base: flashback2k/FlashModel-Qwen-3.6-35B-A3B-Maxed (HF bf16 safetensors, LoRA merged, MTP head kept from the Qwen3.6-35B-A3B checkpoint).

Converted with llama.cpp/convert_hf_to_gguf.py to F16 (NextN/MTP tensors included), then quantized with stock llama-quantize using an imatrix computed on this fine-tune (code-weighted calibration). No per-tensor expert overrides; the MTP head is kept at Q4_K/Q5_K in the IQ3 quants.

No per-tensor expert overrides: each quant uses its base type for all tensors. The MTP head (block 40) is kept at Q4_K/Q5_K in the IQ3 quants because it never runs in a normal forward pass and so has no imatrix data.

Known eval results (baseline → finetuned)

Metric Baseline Finetuned
Tool Use (8 scenarios) 6/8 7/8
Agentic (5 tasks) 5/5 5/5
Effort monotonic (low→max) ❌ ✅
RU Perplexity — 5.41

Full benchmark suite (HumanEval, MBPP, GSM8K, MMLU, SWE-bench) planned — see the weights repo card for training details.

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