I host 25+ free APEX MoE quantizations as independent research. My only local hardware is an NVIDIA DGX Spark (122 GB unified memory), enough for ~30-50B-class MoEs, but bigger ones (200B+) require rented compute on H100/H200/Blackwell, typically $20-100 per quant.
If APEX quants are useful to you, your support directly funds those bigger runs.
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💚 Big thanks to Hugging Face for generously donating additional storage, much appreciated.
APEX (Adaptive Precision for EXpert Models) quantizations of lordx64/Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled.
Brought to you by the LocalAI team | APEX Project | Technical Report
| File | Profile | Size | Best For |
|---|---|---|---|
| Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-I-Balanced.gguf | I-Balanced | 24 GB | Best overall quality/size ratio |
| Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-Balanced.gguf | Balanced | 24 GB | General purpose |
| Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-I-Quality.gguf | I-Quality | 21 GB | Highest quality with imatrix |
| Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-Quality.gguf | Quality | 21 GB | Highest quality standard |
| Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-I-Compact.gguf | I-Compact | 16 GB | Consumer GPUs, best quality/size |
| Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-Compact.gguf | Compact | 16 GB | Consumer GPUs |
| Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-I-Mini.gguf | I-Mini | 13 GB | Smallest "safe" tier |
| Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-I-Nano.gguf | I-Nano | 11 GB | Experimental — IQ2_XXS mid-layer experts |
| Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-F16.gguf | F16 reference | 65 GB | Full-precision reference |
| mmproj.gguf | Vision projector | ~1 GB | Required for image understanding |
APEX is a quantization strategy for Mixture-of-Experts (MoE) models. It classifies tensors by role (routed expert, shared expert, attention) and applies a layer-wise precision gradient — edge layers get higher precision, middle layers get more aggressive compression. I-variants use diverse imatrix calibration (chat, code, reasoning, tool-calling, agentic traces, Wikipedia).
The key insight: in MoE models, expert FFN tensors make up the bulk of model weight but only ~8/256 experts activate per token. APEX compresses middle-layer experts more aggressively while preserving edge layers (first/last 5) and keeping attention, SSM/Mamba, and shared expert tensors at higher precision.
See the APEX project for full details, technical report, and scripts.
The APEX Nano tier pushes mid-layer routed experts to IQ2_XXS (2.06 bpw), near-edge to IQ2_S, edges to Q3_K, with shared experts kept at Q5_K. About 20% smaller than Mini with modest quality cost — viable only on MoE thanks to sparse per-token expert activation. Requires imatrix.
Benchmarks pending. Feedback welcome.
local-ai run mudler/Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-GGUF@Qwen3.6-35B-A3B-Claude-4.7-Opus-Reasoning-Distilled-APEX-I-Balanced.gguf
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