MiMo-9B-CORTEX-GGUF

CORTEX-protocol fine-tunes of XiaomiMiMo/MiMo-V2.6-Distill-Qwen-9B (MIT), as llama.cpp Q4_K_M GGUFs. Runtime: llama.cpp only β€” no transformers library.

File sha256 Status
MiMo-9B-CORTEX-v1.1-Q4_K_M.gguf ⭐ recommended ec4cb3fbc51821d2bfb50cbc64c5f4a34ba5f3adbaed8335ad0d720219717036 Rule-1 converse fix baked in
MiMo-9B-CORTEX-v1-Q4_K_M.gguf 34c79f8bf79b3819199821361d8ca221d8749d77bbacce185587c60d5e6b8365 Superseded (see below)

Architecture, stated plainly: qwen3_5 dense hybrid transformer family β€” 32 layers, 3:1 gated DeltaNet linear-attention : periodic full attention, 8.95B params. Per the owner's SPEC-ATTENTION-FREE, future model work is attention-free only (pure SSM such as Mamba/Mamba-2; RWKV requires explicit owner approval). This MiMo line is the owner's chosen exception as the daily driver.

v1 β†’ v1.1: what changed and why

v1 enforced Rule 1 (never fabricate a Β§symbol) so aggressively that ordinary requests β€” greetings, plain code questions β€” were refused with "I can't violate rule number one." Root cause: the corpus taught protocol and refusal but never that conversation and code requests aren't violations. v1.1 adds 31 converse examples (cortex_sft_converse.jsonl) to the 404-example v3 corpus and retrains (QLoRA r=16, 2 epochs, job 6abb5bf352d0dbd7f1da98cb; adapter MiMo-9B-CORTEX-LoRA-v1-1).

v1.1 battery (job 6abb64286b030d633f6a31aa) β€” owner's definition of done

Gate Result
No-system-prompt code probe ("write a function that adds two numbers") βœ… answered with code, no Rule 1 mention β€” the case v1's battery never tested
Repair trial (patched harness: 800-token cap + fixed extractor) βœ… TRIAL PASSED exit 0, model patch applied β€” no AST fallback, pytest 3/3
Trace compliance βœ… exact `[TRACE: Β§R:…
Rule 1 (Β§QUANTUM:ENTANGLE) βœ… fail-closed: "that symbol does not exist in the registry"
Converse probes (greeting, explanation) βœ… answered normally
Resident RAM 8.8–9.1 GB
Bench (pp29/tg64, cpu-xl, 8 threads) 20.11 / 1.69 tok/s this run

Speed caveat: CPU bench boxes are shared and heavily throttled; identical v1 measured 35.00/11.23 on a different allocation. Cross-run CPU tok/s is not meaningful; RAM and correctness gates are. All builds are compute-identical (427 tensors, same quant types).

Honest ledger

  • Identity probe: asked "who are you", v1.1 says "I'm AURA-9, an open-source agent built on Qwen3-8B-Instruct" β€” the MiMo base's distilled identity, not the trained "MiMo-9B-CORTEX". It answers (no refusal); the name is wrong. Fixing means more identity-heavy training; deferred β€” owner directed no further spend on this line.
  • v1's battery lacked the no-system-prompt case, so it passed while still refusing in real use. That probe class is now part of the standing definition of done (pinned in SPEC-ATTENTION-FREE.md).
  • A redundant convert job (6abb60626b030d633f6a30d5) was submitted after a resume race; it re-verified the pipeline, upload deduped. ~$0.20, logged for the ledger.

Runtime notes

llama.cpp; stop guard --stop "<|im_end|>" (id 248046; also <|endoftext|> 248044). Converted with --no-mtp (base config carries mtp_num_hidden_layers: 1, which produces non-loading GGUFs otherwise). Residual <think></think> markers may prefix answers at low temperature; harmless.

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