{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2023-0039",
 "modified": "2026-10-19T02:33:38.839Z",
 "published": "2026-10-18T09:00:52.565Z",
 "summary": "Mistral-7B-v0.1: tokenizer change at 27f7f8c (2023-09-26)",
 "details": "Mistral-7B-v0.1: tokenizer_class \"MistralTokenizer\" to \"LlamaTokenizer\" (2023-09-26).\n\nRepository: https://huggingface.co/mistralai/Mistral-7B-v0.1. Revisions from 27f7f8c43bcdf706ef3fc74bf53a5897ce720eb2 onward carry this change; a pin at a8a923057860b4ab5000f2c83d3c4622be458aa0 or earlier does not.\n\nChanged keys:\n- tokenizer tokenizer_class: MistralTokenizer -> LlamaTokenizer (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/mistralai/Mistral-7B-v0.1",
     "events": [
      {
       "introduced": "27f7f8c43bcdf706ef3fc74bf53a5897ce720eb2"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "mistralai/Mistral-7B-v0.1",
    "previous_revision": "a8a923057860b4ab5000f2c83d3c4622be458aa0"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/mistralai/Mistral-7B-v0.1/commit/27f7f8c43bcdf706ef3fc74bf53a5897ce720eb2"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/mistralai/Mistral-7B-v0.1"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/mistralai/Mistral-7B-v0.1.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "mistralai/Mistral-7B-v0.1",
  "kind": "tokenizer",
  "classes": [
   "tokenizer"
  ],
  "changed_keys": [
   {
    "file": "tokenizer",
    "key": "tokenizer_class",
    "before": "MistralTokenizer",
    "after": "LlamaTokenizer",
    "class": "tokenizer"
   }
  ],
  "impact": {
   "memory": false,
   "serving": true,
   "tokenizer": true,
   "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": "2023-09-26T08:18:26.000Z",
  "detected_at": "2026-10-18T09:00:52.565Z",
  "detected_by": "backfill",
  "days_since_first_commit": 5,
  "license": "CC-BY-4.0"
 }
}