{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2026-0012",
 "modified": "2026-10-19T02:33:38.839Z",
 "published": "2026-10-18T09:00:52.565Z",
 "summary": "Kimi-K2.5: structural change at 4d01dfe (2026-04-30)",
 "details": "Kimi-K2.5: quantization_config changed; the stored format of the weights is different (2026-04-30).\n\nRepository: https://huggingface.co/moonshotai/Kimi-K2.5. Revisions from 4d01dfe0332d63057c186e0b262165819efb6611 onward carry this change; a pin at 6650964d566fe57e540934e575005af04e933bbe or earlier does not.\n\nChanged keys:\n- quantization_config: {\"format\":\"pack-quantized\",\"kv_cache_scheme\":null,\"quant_method\":\"compressed-tensors\",\"quantization_status\":\"compressed\",\"_rest\":\"f35791990945cd67\"} -> {\"format\":\"pack-quantized\",\"kv_cache_scheme\":null,\"quant_method\":\"compressed-tensors\",\"quantization_status\":\"compressed\",\"_rest\":\"f6dd5147b0795d0c\"} (structural)\n\nThis record says what the change does mechanically. It is not a report that anything broke for anyone.",
 "affected": [
  {
   "ranges": [
    {
     "type": "GIT",
     "repo": "https://huggingface.co/moonshotai/Kimi-K2.5",
     "events": [
      {
       "introduced": "4d01dfe0332d63057c186e0b262165819efb6611"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "moonshotai/Kimi-K2.5",
    "previous_revision": "6650964d566fe57e540934e575005af04e933bbe"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/moonshotai/Kimi-K2.5/commit/4d01dfe0332d63057c186e0b262165819efb6611"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/moonshotai/Kimi-K2.5"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/moonshotai/Kimi-K2.5.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "moonshotai/Kimi-K2.5",
  "kind": "structural",
  "classes": [
   "structural"
  ],
  "changed_keys": [
   {
    "file": "config",
    "key": "quantization_config",
    "before": {
     "format": "pack-quantized",
     "kv_cache_scheme": null,
     "quant_method": "compressed-tensors",
     "quantization_status": "compressed",
     "_rest": "f35791990945cd67"
    },
    "after": {
     "format": "pack-quantized",
     "kv_cache_scheme": null,
     "quant_method": "compressed-tensors",
     "quantization_status": "compressed",
     "_rest": "f6dd5147b0795d0c"
    },
    "class": "structural"
   }
  ],
  "impact": {
   "memory": true,
   "serving": true,
   "tokenizer": false,
   "licence": null
  },
  "breaking": true,
  "breaking_rule": "https://www.neurarch.com/changes-feeds/advisories/index.json#breaking_rule",
  "consequence": {
   "params": null,
   "weightsGbBf16": null,
   "trainPeakGb": null,
   "fingerprint": null,
   "context": null,
   "eos": null,
   "bos": null
  },
  "commit_date": "2026-04-30T03:56:40.000Z",
  "detected_at": "2026-10-18T09:00:52.565Z",
  "detected_by": "backfill",
  "days_since_first_commit": 118,
  "license": "CC-BY-4.0"
 }
}