# Perplexity Decider v1.1 27B (Qwen3.8-27B, noncausal decision readout) vs Shisa DE-2 (repeat)

As of Oct 15, 2026, Perplexity Decider v1.1 27B (Qwen3.8-27B, noncausal decision readout) leads Shisa DE-2 (repeat) in 1 of 1 shared categories: Decision models.

Perplexity Decider v1.1 27B (Qwen3.8-27B, noncausal decision readout): price per 1M tokens is unset in the catalog.

Shisa DE-2 (repeat): price per 1M tokens is unset in the catalog.

Perplexity Decider v1.1 27B (Qwen3.8-27B, noncausal decision readout): open weights.

Shisa DE-2 (repeat): open weights.

- Which to pick, Decision models: As of Oct 15, 2026, Perplexity Decider v1.1 27B (Qwen3.8-27B, noncausal decision readout) leads Shisa DE-2 (repeat) in Decision models at #1 against #20.

As of Oct 15, 2026, Perplexity Decider v1.1 27B (Qwen3.8-27B, noncausal decision readout) is tied for state of the art with low confidence in Decision models (since Oct 14, 2026; sources Decision Index Full and JevBench; methodology v1.0).

As of Oct 15, 2026, Shisa DE-2 (repeat) is ranked #20 in Decision models (since Oct 15, 2026; sources Decision Index Full; methodology v1.0).