@rohanpaul_ai: A cascaded voice agent just won a blind human-preference ranking against native speech-to-speech models. Today, Cartesi…

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Summary

Cartesia launched Managed Agents, an end-to-end enterprise voice agent platform that topped Artificial Analysis' Speech Agent Arena and ServiceNow's EVA-Bench in blind human preference rankings by co-designing its cascaded voice models and agent harness as one system.

A cascaded voice agent just won a blind human-preference ranking against native speech-to-speech models. Today, Cartesia launched Managed Agents, ranked #1 on Artificial Analysis’ Speech Agent Arena. Most LLMs learn from chunks of text picked by a tokenizer. But here, H-Nets learn directly from raw bytes and figure out those boundaries themselves. This leads to 3–5x better efficiency in controlled scaling experiments. At larger scale, matching an open-source model trained on 11 trillion tokens with roughly 10x less training data and compute. > #1 in blind human preference and #1 in enterprise accuracy > Cascaded stack that sounds as natural as speech-to-speech > Own speech models and agent harness tuned as one system
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Cached at: 10/30/26, 05:22 PM

A cascaded voice agent just won a blind human-preference ranking against native speech-to-speech models.

Today, Cartesia launched Managed Agents, ranked #1 on Artificial Analysis’ Speech Agent Arena.

Most LLMs learn from chunks of text picked by a tokenizer. But here, H-Nets learn directly from raw bytes and figure out those boundaries themselves.

This leads to 3–5x better efficiency in controlled scaling experiments. At larger scale, matching an open-source model trained on 11 trillion tokens with roughly 10x less training data and compute.

#1 in blind human preference and #1 in enterprise accuracy Cascaded stack that sounds as natural as speech-to-speech Own speech models and agent harness tuned as one system

Cartesia (@cartesia): Introducing Cartesia Managed Agents: our end-to-end voice agent platform for enterprise.

#1 on @ArtificialAnlys Speech Agent Arena and @ServiceNow EVA-Bench, built by co-designing our voice models and harness as one system.

Check it out →

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