xAI makes Grok Speech-to-Text and Text-to-Speech APIs generally available

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What happened

xAI moved its Grok Speech-to-Text and Text-to-Speech APIs to general availability. The Speech-to-Text API transcribes audio across 25 languages and supports both batch and streaming modes, while the Text-to-Speech API generates natural-sounding speech.

The release is aimed at enterprise developers building voice agents on the xAI and Grok platform, and it forms part of xAI's broader developer-API expansion this month.

Why it matters

Voice agents need reliable transcription and speech generation, and offering both in one platform lets developers stay within a single provider. Streaming support in particular matters for real-time conversational use.

It also puts xAI into more direct competition with established speech API providers.

MintedBrain take

General availability is the point where a speech API is worth evaluating for production, so test accuracy and latency on your own audio and languages. Single-vendor voice stacks are convenient, but confirm the transcription quality holds up before you commit.

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References

This article was originally published at xAI Docs release notes. For the full piece, read the original article.

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