{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2025-0165",
 "modified": "2026-10-19T02:33:38.839Z",
 "published": "2026-10-18T09:00:52.565Z",
 "summary": "SmolLM2-1.7B-Instruct: tokenizer change at 450ff1f (2025-01-07)",
 "details": "SmolLM2-1.7B-Instruct: tokenizer model_max_length 2048 to 8192; truncation defaults change (2025-01-07).\n\nRepository: https://huggingface.co/HuggingFaceTB/SmolLM2-1.7B-Instruct. Revisions from 450ff1f12781f49cb595c70d9e402812c099e748 onward carry this change; a pin at d1bb90bcfbe0f211109880f4da18da66f229c4f6 or earlier does not.\n\nChanged keys:\n- tokenizer model_max_length: 2048 -> 8192 (tokenizer)\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/HuggingFaceTB/SmolLM2-1.7B-Instruct",
     "events": [
      {
       "introduced": "450ff1f12781f49cb595c70d9e402812c099e748"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "HuggingFaceTB/SmolLM2-1.7B-Instruct",
    "previous_revision": "d1bb90bcfbe0f211109880f4da18da66f229c4f6"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/HuggingFaceTB/SmolLM2-1.7B-Instruct/commit/450ff1f12781f49cb595c70d9e402812c099e748"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/HuggingFaceTB/SmolLM2-1.7B-Instruct"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/HuggingFaceTB/SmolLM2-1.7B-Instruct.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "HuggingFaceTB/SmolLM2-1.7B-Instruct",
  "kind": "tokenizer",
  "classes": [
   "tokenizer"
  ],
  "changed_keys": [
   {
    "file": "tokenizer",
    "key": "model_max_length",
    "before": 2048,
    "after": 8192,
    "class": "tokenizer"
   }
  ],
  "impact": {
   "memory": false,
   "serving": true,
   "tokenizer": true,
   "licence": null
  },
  "breaking": false,
  "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": "2025-01-07T16:26:43.000Z",
  "detected_at": "2026-10-18T09:00:52.565Z",
  "detected_by": "backfill",
  "days_since_first_commit": 68,
  "license": "CC-BY-4.0"
 }
}