Cartesia Managed Agents' claimed No. 1 ranking in Speech Agent Arena

Cartesia says Managed Agents ranks first in Artificial Analysis's Speech Agent Arena, outperforming 20-plus speech-to-speech systems on tasks such as appointment booking and ordering. Artificial Analysis reports a 98-point Elo rise, from 1017 to 1115, with non-overlapping 95% confidence intervals; it also reports task success rising from 77.5% to 91.7%. It lists pricing at $0.06 per minute of call time, with LLM usage billed separately based on the model.