Creates a benchmark.

The name of the benchmark.

Optional plain-text credit for the people or sources behind the benchmark. Limited to 2000 characters; leave unset for none.

Initial boost level applied to the campaign of every run created from this benchmark. Leave unset to fall back to DefaultInitialBoostLevel.

Optional submission quality gate. When set (at least 2), submitting a participant warns for any prompt it generated between 1 and N-1 samples for. Leave unset to disable.

Additive offset applied to displayed scores on the benchmark's overall scoreboard; defaults to 0.

Multiplicative factor applied to displayed scores on the benchmark's overall scoreboard, relative to the Bradley-Terry center. Defaults to 1.0; must be strictly positive.

The id of the created benchmark.