Grok STT is xAI's speech to text model. A speech-to-text model from xAI's Grok line that transcribes audio in 25 languages with support for both batch and streaming processing modes.
Specifications
Canonical IDxai-grok-stt
TypeSpeech to Text
StatusActive
CreatorxAIxAI
Input ModalitiesAudio
Output ModalitiesText
Release Date · 4 months ago

Capabilities

Input1/5
Text·
Image·
Audio
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Grok 4.5500K$2.00$6.00Available
Grok 4.31.0M$1.25$2.50Available
Grok 4.202.0M$1.25$2.50Available
Grok 4.20 Multi-Agent2.0M$1.25$2.50Available
Grok 4.20 Multi-Agent Beta2.0M$1.25$2.50Available
Grok 4.20 Non-Reasoning2.0M$1.25$2.50Available
Grok 4.20 Reasoning2.0M$1.25$2.50Available
Grok 4.1 Reasoning2.0M$0.200$0.500Deprecated
Grok 4.1 Fast2.0M$0.200$0.500Deprecated
Grok 4.1 Fast Non-Reasoning2.0M$0.200$0.500Deprecated
Grok STTCurrent

Model IDs

xai-grok-stt
xai/grok-stt