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xAI Docs

xAI · Docs

xAI Docs

August 18, 2026 at 4:17 AM UTC

Added a Prompting Guide for Grok Realtime speech-to-speech. It covers how to write the system prompt (instructions on session update), including recommended structure, role and persona, voice and communication style, conversation flow, t…

Changelog

Speech to Speech

New: Prompting Guide (/developers/model-capabilities/audio/speech-to-speech/prompting-guide)

Added a Prompting Guide for Grok Realtime speech-to-speech. It covers how to write the system prompt (instructions on session update), including recommended structure, role and persona, voice and communication style, conversation flow, tools, guardrails and escalation, facts/source of truth, and general tips.

Speech to Speech overview (/developers/model-capabilities/audio/speech-to-speech)

  • Documented instructions as the system prompt and linked it to the new Prompting Guide for recommended structure.
  • Added a Prompting section with brief guidance (second person, fixed section order) and a pointer to the full guide for structure, tool hygiene, and escalation patterns.
Older release← Aug 14, 19:17 UTC
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