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Qwen3.8-27B-TURBO NEO-CODER (Official Clean GGUF Suite)

Official Solstice-AI Release • Standard Clean UD 3.0 Matrix • Multi-Token Prediction (MTP) Speculative Tiers • Pure BF16 Multimodal Vision Projector

Original Architecture by Qwen / Alibaba Cloud • Uncensored Weights by DavidAU • Curated & Packaged by Solstice-AI


Model Summary

Solstice-AI/Qwen3.8-27B-TURBO-Fable-Cold-Fusion-NEO-CODER-GGUF contains the official clean GGUF suite of Qwen3.8-27B NEO-CODER, bringing DavidAU's latest coding and agentic prompt engineering optimizations into standard, clean UD 3.0 GGUF binaries.

Key NEO-CODER Capabilities:

  1. Dynamic Reasoning Effort Controls (reasoning_effort):
    • medium: Suppresses default system prompt injection for direct, unrestricted coding execution and SWE-bench compatibility.
    • xhigh: Injects deep-reasoning verification tags (<thought>) for complex algorithmic design and proofs.
  2. Deterministic XML Tool Calling: Pre-configured for <tool_call><function=...><parameter=...></function></tool_call> execution.
  3. Pure BF16 Vision Transformer (mmproj-BF16.gguf): Standalone 16-bit multimodal vision projector with zero FP16 underflow risks.
  4. Multi-Token Prediction (MTP) Speculative Tiers: Bundles specialized MTP models (speculative-mtp/) and DSpark drafters (speculative/).

File Catalog

Filename Precision / Quant Size Recommended Use Case
Qwen3.8-27B-TURBO-Fable-Cold-Fusion-NEO-CODER-Q4_K_M.gguf Q4_K_M (UD-Q4_K_XL) 16.81 GB Recommended: Best balance of speed, RAM footprint & accuracy
Qwen3.8-27B-TURBO-Fable-Cold-Fusion-NEO-CODER-Q5_K_M.gguf Q5_K_M 19.31 GB High-accuracy coding and mathematical reasoning
Qwen3.8-27B-TURBO-Fable-Cold-Fusion-NEO-CODER-Q6_K.gguf Q6_K 21.96 GB Near-lossless weights for complex multi-file refactoring
Qwen3.8-27B-TURBO-Fable-Cold-Fusion-NEO-CODER-Q8_0.gguf Q8_0 27.74 GB Pure lossless 8-bit precision
speculative-mtp/*-MTP-Q4_K_M.gguf MTP Q4_K_M 17.23 GB Multi-Token Prediction enabled speculative decoding
speculative-mtp/*-MTP-Q8_0.gguf MTP Q8_0 28.16 GB Lossless MTP speculative decoding
mmproj-BF16.gguf Pure BF16 0.87 GB Official standalone Multimodal Vision Projector
speculative/Qwen3.8-27B-DSpark-Q4_K_M.gguf DSpark Drafter 1.03 GB Ultra-fast pre-aligned speculative draft model

Quickstart with llama.cpp

Standard Multimodal Inference:

llama-server \
  -m Qwen3.8-27B-TURBO-Fable-Cold-Fusion-NEO-CODER-Q4_K_M.gguf \
  --mmproj mmproj-BF16.gguf \
  -c 131072 \
  --port 8080

Speculative Decoding (1.8x Speedup):

llama-cli \
  -m Qwen3.8-27B-TURBO-Fable-Cold-Fusion-NEO-CODER-Q4_K_M.gguf \
  -md speculative/Qwen3.8-27B-DSpark-Q4_K_M.gguf \
  --mmproj mmproj-BF16.gguf \
  -p "Write a high-performance async actor pool in Rust using Tokio."
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