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You're viewing version 2.16 of the OpenSearch documentation. This version is no longer maintained. For the latest version, see the current documentation. For information about OpenSearch version maintenance, see Release Schedule and Maintenance Policy.

Search for a model

You can use this command to search for models you’ve already created.

The response will contain only those model versions to which you have access. For example, if you send a match_all query, model versions for the following model group types will be returned:

  • All public model groups in the index
  • Private model groups for which you are the model owner
  • Model groups that share at least one backend role with your backend roles

For information about user access for this API, see Model access control considerations.

Path and HTTP methods

GET /_plugins/_ml/models/_search
POST /_plugins/_ml/models/_search

Example request: Searching for all models

POST /_plugins/_ml/models/_search
{
  "query": {
    "match_all": {}
  },
  "size": 1000
}

Example request: Searching for models with the algorithm “FIT_RCF”

POST /_plugins/_ml/models/_search
{
  "query": {
    "term": {
      "algorithm": {
        "value": "FIT_RCF"
      }
    }
  }
}

Example: Excluding model chunks

GET /_plugins/_ml/models/_search
{
  "query": {
    "bool": {
      "must_not": {
        "exists": {
          "field": "chunk_number"
        }
      }
    }
  },
  "sort": [
    {
      "created_time": {
        "order": "desc"
      }
    }
  ]
}

Example: Searching for all model chunks

The following query searches for all chunks of the model with the ID 979y9YwBjWKCe6KgNGTm and sorts the chunks in ascending order:

GET /_plugins/_ml/models/_search
{
  "query": {
    "bool": {
      "filter": [
        {
          "term": {
            "model_id": "9r9w9YwBjWKCe6KgyGST"
          }
        }
      ]
    }
  },
  "sort": [
    {
      "chunk_number": {
        "order": "asc"
      }
    }
  ]
}

Example: Searching for a model by description

GET _plugins/_ml/models/_search
{
  "query": {
    "bool": {
      "should": [
        {
          "match": {
            "description": "sentence transformer"
          }
        }
      ],
      "must_not": {
        "exists": {
          "field": "chunk_number"
        }
      }
    }
  },
  "size": 1000
}

Example response

{
    "took" : 8,
    "timed_out" : false,
    "_shards" : {
      "total" : 1,
      "successful" : 1,
      "skipped" : 0,
      "failed" : 0
    },
    "hits" : {
      "total" : {
        "value" : 2,
        "relation" : "eq"
      },
      "max_score" : 2.4159138,
      "hits" : [
        {
          "_index" : ".plugins-ml-model",
          "_id" : "-QkKJX8BvytMh9aUeuLD",
          "_version" : 1,
          "_seq_no" : 12,
          "_primary_term" : 15,
          "_score" : 2.4159138,
          "_source" : {
            "name" : "FIT_RCF",
            "version" : 1,
            "content" : "xxx",
            "algorithm" : "FIT_RCF"
          }
        },
        {
          "_index" : ".plugins-ml-model",
          "_id" : "OxkvHn8BNJ65KnIpck8x",
          "_version" : 1,
          "_seq_no" : 2,
          "_primary_term" : 8,
          "_score" : 2.4159138,
          "_source" : {
            "name" : "FIT_RCF",
            "version" : 1,
            "content" : "xxx",
            "algorithm" : "FIT_RCF"
          }
        }
      ]
    }
  }
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