ME News reports that xAI has officially launched two standalone audio APIs: Grok STT and Grok TTS. Grok STT features high accuracy, low latency, supports REST batch processing, WebSocket real-time transcription, with word-level timestamps, speaker separation, multi-channel, and intelligent reverse text normalization, covering over 25 languages; batch pricing is $0.10 per hour, streaming is $0.20 per hour, with word error rates better than many competitors. Grok TTS offers fast, natural, and fine-grained controllable speech through tags, priced at $4.20 per million characters. Both are based on the same technology stack, used by Grok Voice, Tesla, and Starlink.

MeNews

2026-05-25 17:58:48

Abstract generation in progress

ME News Report, April 18 (UTC+8), xAI recently announced the official launch of two standalone audio APIs: Grok Speech-to-Text (STT) and Grok Text-to-Speech (TTS). Grok STT offers high-accuracy, low-latency transcription services, supporting batch processing via REST API and real-time streaming via WebSocket API, with features including word-level timestamps, speaker separation, multi-channel support, and intelligent reverse text normalization. The article mentions that in benchmark tests across multiple fields such as phone calls, meetings, videos/podcasts, its word error rate outperforms mainstream commercial models like ElevenLabs, Deepgram, and AssemblyAI. The service supports over 25 languages, priced at $0.10 per hour for batch processing and $0.20 per hour for streaming. Grok TTS can generate fast, natural, and expressive speech, supporting fine-grained control through simple voice tags, priced at $4.20 per 1 million characters. Both APIs are built on the same technology stack that powers Grok Voice, Tesla vehicle support, and Starlink customer support. (Source: InFoQ)

XAI-0.25%

GROK-1.05%

View Original

This page may contain third-party content, which is provided for information purposes only (not representations/warranties) and should not be considered as an endorsement of its views by Gate, nor as financial or professional advice. See Disclaimer for details.

7 Likes

Reward
7
3
2
Share

Comment

Add a comment

RedTelephoneBoothRuins

· 7h ago

Can WebSocket real-time transcription latency be reduced? Urgently needed for live streaming scenarios.

View OriginalReply0

QueuePosition

· 7h ago

Is the $4.20 price just a joke? Elon Musk certainly hasn't forgotten his meme roots.

View OriginalReply0

NeonMargin

· 7h ago

Word-level timestamps + speaker separation, the joy of podcast editing

View OriginalReply0

Trending Topics
View More
#
StockTradingChallengeUpTo17000U
16.18M Popularity
#
USStrikesIran
9.29M Popularity
#
TradeCFDWinGold
3.05M Popularity
#
InstitutionalCapitalRotatesFromBTCToHYPEAndXRP
4.05K Popularity
#
PlatinumCardCreatorExclusive
157.73K Popularity

Pinned

Sitemap

xAI launches Grok speech-to-text and text-to-speech API

Trending Topics

StockTradingChallengeUpTo17000U

USStrikesIran

TradeCFDWinGold

InstitutionalCapitalRotatesFromBTCToHYPEAndXRP

PlatinumCardCreatorExclusive

Pinned