# Matilda Jev v1.5 vs Sieve 31B

As of Oct 14, 2026, Matilda Jev v1.5 leads Sieve 31B in 0 of 1 shared categories.

Matilda Jev v1.5: price per 1M tokens is unset in the catalog.

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

Matilda Jev v1.5: open weights.

Sieve 31B: open weights.

- Which to pick, Decision models: As of Oct 14, 2026, Sieve 31B leads Matilda Jev v1.5 in Decision models at #3 against #21.

As of Oct 14, 2026, Matilda Jev v1.5 is ranked #21 in Decision models (since Oct 14, 2026; sources Decision Index Full; 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).