Cartesia deploys ultra-low-latency voice AI models on AWS
What happened
On 4 November 2026, the AWS Machine Learning Blog reported that AWS partner Cartesia builds real-time voice AI applications on a State Space Model (SSM) architecture. Its Sonic text-to-speech model and Ink speech-to-text model both have a time to first byte of under 100ms, with Sonic outputting its first audio byte in about 90ms. According to the report, Cartesia deploys these models on AWS. This is currently the only report on the matter, with no follow-up developments or inconsistencies with earlier statements.
Written by AI from the reports · updated 2 h ago
Timeline
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- AWS Machine Learning BlogBuilding ultra-low-latency voice AI applications on AWS
Learn how Cartesia, an AWS Partner, uses purpose-built State Space Models and AWS infrastructure to deliver sub-100ms text-to-speech and speech-to-text at global scale, and how to deploy its Sonic model on Amazon SageMaker AI or self-managed Amazon EC2 GPU instances.
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