MiMo-V2.6-Distill-Qwen-9B โ€” MLX oQ5e-MTP

Model Details

Model Description

oQ5e-quantized MLX build with grafted Multi-Token Prediction (created by xunlinkx with the omlx pipeline) of XiaomiMiMo/MiMo-V2.6-Distill-Qwen-9B for first-class, all-local serving on Apple Silicon via omlx (the MLX OpenAI-compatible server) and mlx-lm.

Attribution chain:

This is not a new model โ€” it is an enhanced quantization of the existing checkpoint, produced with omlx's quantize_oq_streaming(..., oq_level=5, enhanced=True) pipeline with strict 128ร—512-block imatrix calibration (249 tensors applied, 0 missing, 0 mismatched) and group size 64.

The official MiMo checkpoint declares an MTP layer but does not ship MTP weights. This repository grafts the compatible native MTP head from mlx-works/MiMo-V2.6-Distill-Qwen-9B-oQ4e-mtp after strict architecture, geometry, and tokenizer-identity checks, enabling ~1.5xโ€“2.0x speculative decoding on Apple Silicon.

  • Developed by: xunlinkx (oQ5e quantization + MLX build, using omlx)
  • Base model by: Xiaomi MiMo Team (MiMo-V2.6-Distill-Qwen-9B)
  • Shared by: xunlinkx
  • Model type: qwen3_5 hybrid SSM / linear attention text decoder + 1-layer MTP (model_type: qwen3_5)
  • Context length: 262,144 tokens (256K native)
  • License: MIT (inherits the base checkpoint license)

Compatibility

model_type: qwen3_5 loads in modern omlx and mlx-lm with native Qwen3.5 hybrid Gated DeltaNet attention and Lightning MTP support.

Validation

Validated locally before upload:

  • Strict model loading through the oMLX-patched MLX-LM runtime (mtp_forward operational)
  • Global 5-bit affine quantization metadata with group size 64
  • Complete strict oQe importance-matrix coverage (249 applied, 0 missing, 0 mismatched)
  • Tokenizer SHA-256 identity verified across source, donor, and output (06b95093...)
  • Official chat template verified with OpenAI function call schemas
  • Deterministic math smoke test (15% of 240 -> 36) generated at 33.7 tok/s (peak memory 6.40 GB)

The machine-readable validation report is included as validation.json.

Sampling (official, per the Xiaomi MiMo model card)

  • temperature 0.6, top_p 0.95, top_k 20, repetition_penalty 1.0
  • Explicit <think>...</think> chain-of-thought reasoning by default.

Usage

Using mlx-lm

mlx_lm.generate --model xunlinkx/MiMo-V2.6-Distill-Qwen-9B-oQ5e-mtp \
  -p "Analyze the time complexity of quicksort" -m 2048 \
  --temp 0.6 --top-p 0.95

Using omlx (OpenAI-compatible server)

omlx serve --host 127.0.0.1 --port 8005
# model id: MiMo-V2.6-Distill-Qwen-9B-oQ5e-mtp

License

MIT, inherited from XiaomiMiMo/MiMo-V2.6-Distill-Qwen-9B.

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