xAI Launches Standalone Grok Speech-to-Text and Text-to-Speech APIs, Targeting Enterprise Voice Developers

MarkTechPost / 4/19/2026

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Key Points

xAI has launched two standalone enterprise-focused APIs: a Speech-to-Text (STT) API and a Text-to-Speech (TTS) API.
Both APIs are built on the same underlying infrastructure that powers Grok Voice across mobile apps, Tesla vehicles, and Starlink customer support.
The launch positions xAI directly in the competitive speech API market, where other providers already operate.
By targeting “enterprise voice developers,” xAI is emphasizing integration-ready capabilities for business voice and conversational applications.

Elon Musk’s AI company xAI has launched two standalone audio APIs — a Speech-to-Text (STT) API and a Text-to-Speech (TTS) API — both built on the same infrastructure that powers Grok Voice on mobile apps, Tesla vehicles, and Starlink customer support. The release moves xAI squarely into the competitive speech API market currently occupied by […]

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