Perplexity’s 27B decision model scores 85.71% overall
Perplexity’s pplx-decider-v1-27b gives developers a ready-made model for routing requests, judging answers, and making yes/no decisions, but running it requires about 49 GiB of GPU weight storage plus working memory. It is fine-tuned from Qwen3.8-27B, and its overall score is 85.71% across 11 benchmarks, versus 74.76% for the base model. On RAGTruth, it scores 88.80%, compared with 61.53% for Qwen3.8-27B.