xAI launches Grok Voice 3.0 for voice agents at unchanged pricing

xAI has launched Grok Voice 3.0, its speech to speech model, in the Voice Agent API at $0.08 per minute, the same price as Voice 2.0, which is now deprecated; sessions on grok-voice-latest were migrated automatically.

Artificial Analysis testing puts the model first on its Speech to Speech Index at 86.9, ahead of GPT-Live-1 at 83.2.

Sources: Unite.AI, xAI release notes