Execute perplexity evaluator

Measure text perplexity from logprobs

Request Body:

• input.logprobs (string, required): JSON array of log probabilities from the model

POST /v2/evaluators/execute/perplexity

Execute perplexity evaluator

cURL

curl --request POST \
  --url https://api.traceloop.com/v2/evaluators/execute/perplexity \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": {
    "logprobs": "[-2.3, -1.5, -0.8, -1.2, -0.5]"
  }
}
'

200

{
  "perplexity_score": 12.5
}

Authorizations

Authorization · string · header · required

Type "Bearer" followed by a space and JWT token.

Body

application/json

Request body

input · object · required

Show child attributes

Response

200

application/json

OK

perplexity_score · number

Example:

12.5