# decider-12b v2 (Mapika) vs Sieve 31B

As of Oct 14, 2026, decider-12b v2 (Mapika) leads Sieve 31B in 0 of 1 shared categories.

decider-12b v2 (Mapika): price per 1M tokens is unset in the catalog.

Sieve 31B: price per 1M tokens is unset in the catalog.

decider-12b v2 (Mapika): open weights.

Sieve 31B: open weights.

- Which to pick, Decision models: As of Oct 14, 2026, Sieve 31B leads decider-12b v2 (Mapika) in Decision models at #3 against #27.

As of Oct 14, 2026, decider-12b v2 (Mapika) is ranked #27 in Decision models (since Oct 14, 2026; sources JevBench; methodology v1.0).

As of Oct 14, 2026, Sieve 31B is near state of the art, rank #3 in Decision models (since Oct 14, 2026; sources Decision Index Full; methodology v1.0).