bend-models / models /README.md
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G30: models/ MANIFEST + SHA256SUMS + README (imatrix set)
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models/: imatrix-calibrated weights (G30, 2026-10-14)

Same quant types and byte budget as the shipped files, re-quantized with an importance matrix. Additive only: the phone app still fetches kev-4b-q4km/ at the repo root, and that dir is unchanged.

file bytes sha256 status
kev-4b-q4km-imat/Kev-4B-Q4_K_M-imat.gguf 2,709,547,712 0535181cf3164a7271a7d3d1752a9ceab673c32bb316a081133ec238c186b51c ship (llama.cpp path); app NOT repointed
kev-4b-iq4xs-imat/Kev-4B-IQ4_XS-imat.gguf 2,514,987,712 8a45e54a03a689368413de3bb6d33c1129ea416dfa7a8aade64c2f8c2c3b47dc published for llama.cpp; native path BLOCKED until gate receipt
qwen38-27b-q4ks-imat-openjev-wide/Qwen3.8-27B-Q4_K_S-imat-openjev-wide.gguf 15,586,316,480 c1e505b2e4266d964cc75e8a801e1c54dfec1bd4205c6ea7072d15c9b907fc0f ship (board, llama-server); promotion into the board store is an owner action
imatrix/kev4b-calib.imatrix.gguf 3,626,496 fe439522f2acc99fd040960f045f9582ccb89fe055d570ca883c61600a2f4737 provenance
imatrix/qwen38-27b-calib.imatrix.gguf 13,642,656 bd707218d6275dbcb342b23846776b306e535f431cb76f316349fa451138488c provenance

Fidelity (llama.cpp --kl-divergence, 40×512 ctx, 10,200 tokens, held-out lab prose)

artifact ref mean KLD top-1 %
Kev-4B Q4_K_M plain (shipped) Kev BF16 0.04573 88.25
Kev-4B Q4_K_M-imat Kev BF16 0.02894 (−37%) 89.81
Kev-4B IQ4_XS-imat Kev BF16 0.03593 89.22
27B Q4_K_S plain (shipped) 27B Q6_K 0.03652 90.84
27B Q4_K_S-imat 27B Q6_K 0.02126 (−42%) 93.30

The calibration data is in-domain (disjoint from the eval set), so expect a smaller gain on generic text. The decision battery (40 scored questions) shows no regression vs shipped for any of these files.

IQ4_XS-imat: the native llb engine gate is still pending. Use it only with llama.cpp until that gate passes.

Verify: sha256sum -c SHA256SUMS inside models/. MANIFEST.json carries per-file evidence and gate status.