{
 "product": "YFarmX Model Identity",
 "method": "tokenizer fingerprinting v1-50",
 "updated": "2026-08-22",
 "record_url": "https://yfarmx.com/ai/models/openrouter/auto/",
 "citation": "YFarmX Model Identity: Auto Router (openrouter/auto) evidence record. https://yfarmx.com/ai/models/openrouter/auto/",
 "record": {
  "id": "openrouter/auto",
  "slug": "openrouter/auto",
  "name": "Auto Router",
  "lab": "OpenRouter",
  "alias": false,
  "variant_of": null,
  "created": 1699401600,
  "new_since_20_aug": false,
  "description": "Your prompt will be processed by a meta-model and routed to one of dozens of models (see below), optimizing for the best possible output. To see which model was used,...",
  "declared": {
   "tokenizer": "Router",
   "modality": "text+image+file+audio+video->text+image",
   "input": [
    "text",
    "image",
    "audio",
    "file",
    "video"
   ],
   "context": 2000000,
   "max_output": null,
   "pricing": {
    "prompt": "-1",
    "completion": "-1"
   },
   "params": [
    "frequency_penalty",
    "include_reasoning",
    "logit_bias",
    "logprobs",
    "max_tokens",
    "min_p",
    "prediction",
    "presence_penalty",
    "reasoning",
    "reasoning_effort",
    "repetition_penalty",
    "response_format",
    "seed",
    "stop",
    "structured_outputs",
    "temperature",
    "tool_choice",
    "tools",
    "top_a",
    "top_k",
    "top_logprobs",
    "top_p",
    "web_search_options"
   ],
   "defaults": {
    "temperature": null,
    "top_p": null,
    "top_k": null,
    "frequency_penalty": null,
    "presence_penalty": null,
    "repetition_penalty": null
   },
   "reasoning": null,
   "hugging_face": null
  },
  "measurement": {
   "status": "excluded:router"
  },
  "note": null,
  "api_signature": "api_3a3e6556",
  "api_matches": [
   "openrouter/auto-beta"
  ],
  "identity": {
   "kind": "lineage",
   "family": null,
   "confidence": "unknown",
   "confidence_reason": null,
   "basis": [],
   "contradiction": null,
   "declared_vs_measured": "unmeasurable"
  },
  "comparator": null,
  "neighbours": []
 }
}