Across the four benchmarks in the Artificial Analysis Decision Index v1.0, Perplexity’s Decider v1.1 27B has the lowest Cost per 1M Tasks at $17. It sits alongside Microsoft-Decision-1 ($31) and Jev 1.13 ($42) on the Capability vs. Cost Pareto frontier. Celeris-1 Decision has the fastest Time per Task at 0.06 seconds, 2x faster than Jev 1.13 (0.13 seconds), which is 11x faster than Claude Haiku 5.5 (Low) (1.4 seconds)
