Index

Features

Searchable feature index from the live catalog. Tags are only those in Origin JSON.

Speech to speech
SpaceXAI
Realtime voice agents. Starting at $0.05 / min.
Grok Voice
Text to speech
SpaceXAI
TTS at $15.00 / 1M characters.
Grok Voice
Speech to text
SpaceXAI
STT with adjustable VAD threshold (vad_threshold) for streaming and batch.
Grok Voice
Voice Think Fast 2.0
SpaceXAI
Introduced Jul 29, 2026. grok-voice-2.0 is deprecated; upgrade to grok-voice-3.0 or grok-voice-latest at the same price.
Grok Voice
Grok Voice 3.0
SpaceXAI
grok-voice-3.0 for Speech to Speech; grok-voice-latest points to grok-voice-3.0. Same price as Grok Voice 2.0; API unchanged.
Grok Voice
Grok Voice Transcribe 2.0
SpaceXAI
grok-voice-transcribe-2.0 on Speech to Text; grok-voice-transcribe-1.0 reached EOL Oct 2, 2026 and requests route to 2.0 at the same price.
Grok Voice
Custom voices
SpaceXAI
Clone a voice from a reference clip (max 120s) via /v1/custom-voices and use the returned voice_id for TTS and speech-to-speech.
Grok Voice
Media and voice
SpaceXAI
Imagine image/video generation and editing plus Voice realtime, TTS, and STT on the same API.
Grok API / Console

8 of 89