SpaceXAI
·Released on Jul 23, 2026

Grok STT 1.0 API Benchmarks, Pricing & Provider Data

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Speech-To-Text

Grok STT is xAI'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.

Specifications

Features

Technical Details

Input
Output
Released
Jul 2026
Documentation
Tokenizer
Grok
Architecture
audio->transcription
Moderated
No
Supported parameters
logprobsmax_tokensresponse_formatseedtemperaturetop_logprobstop_p

OpenRouter endpoints

1 endpoints

Third-party OpenRouter endpoint data, shown separately from LMSpeed measurements. Some 30-minute live performance fields only appear after syncing with an OpenRouter API key.

Provider endpointInputOutput1d uptime30m latency30m throughputContext / output
xAI
xai
$100000/M$0/M100%undefined tokens / —

Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.Standard benchmark data may include BenchLM and other public sources.

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