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SpaceXAI: Grok STT 1.0

Grok STT is SpaceXAI's speech-to-text model, available via the REST /v1/stt endpoint. It supports transcription with word-level timestamps, optional speaker diarization, and multichannel audio.

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Overview

Model specifications

Context
Not provided
Maximum output
Not provided
Architecture
audio->transcription
Tokenizer
Grok
Knowledge cutoff
Not provided
Moderated
No
Capabilities

Input → Output

Input
audio
Output
transcription
API

Supported API parameters

logprobsmax_tokensresponse_formatseedtemperaturetop_logprobstop_p
Available providers

1 Provider

xAI

unknown
Context
Not provided
Maximum output
Not provided
Input
$100000.00
Output
Free
Cache read
Not provided
Cache write
Not provided
x-ai

models

All models
XAx-ai

SpaceXAI: Grok 4.6

Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Context
500K
Input
text · image · file
Output
text
Input: $2.00Output: $6.00per 1M tokens
View model details →
XAx-ai

xAI: Grok Imagine Image 2.0

Grok Imagine Image 2.0 is an image generation and editing model from xAI. It is suited for creating images from text prompts and editing images from references, with low and...

Context
66K
Input
text · image
Output
image
Input: FreeOutput: Freeper 1M tokens
View model details →
XAx-ai

SpaceXAI: Grok Imagine Video 1.5

Grok Imagine Video 1.5 is a video generation model from SpaceXAI. It creates videos from text prompts, with an optional starting image to guide the scene. It can direct subject...

Context
Not provided
Input
text · image
Output
video
Input: FreeOutput: Freeper 1M tokens
View model details →
XAx-ai

SpaceXAI: Grok 4.5

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

Context
500K
Input
text · image · file
Output
text
Input: $2.00Output: $6.00per 1M tokens
View model details →