Grok Voice 3.0 (xAI)

Paid
API Available

xAI's speech-to-speech model in the Voice Agent API

xAI · Voice & Audio Launched Oct 14, 2026

Visit Website

Quick Answer

Grok Voice 3.0 (xAI) is xai's speech-to-speech model in the voice agent api, made by xAI. It is a paid product. Key uses: Voice agents, Real-time spoken conversation via API.

Last updated:

Users
not publicly disclosed
Valuation
not publicly disclosed

What is Grok Voice 3.0 (xAI)?

Grok Voice 3.0 is a speech-to-speech model in xAI's Voice Agent API, released Oct 14, 2026. It replaced Grok Voice 2.0 behind the grok-voice-latest alias and is priced at $0.08 per minute. xAI-reported figures include an 86.9 score on the Artificial Analysis Speech-to-Speech Index and sub-second latency; these are vendor-reported and have no independent evaluation yet.

How did Grok Voice 3.0 (xAI) get started?

Grok Voice 3.0 was released on Oct 14, 2026 as a speech-to-speech model in xAI's Voice Agent API. It replaced Grok Voice 2.0 behind the grok-voice-latest alias.

What's new in Grok Voice 3.0 (xAI) in 2026?

Grok Voice 3.0 released Oct 14, 2026; replaced Grok Voice 2.0 behind the grok-voice-latest alias; $0.08/min; 86.9 on the Artificial Analysis Speech-to-Speech Index (vendor-reported, no independent evaluation yet)

How much does Grok Voice 3.0 (xAI) cost?

Voice Agent API

$0.08/min

  • Grok Voice 3.0 speech-to-speech
  • grok-voice-latest alias

What can you do with Grok Voice 3.0 (xAI)?

  • Voice agents
  • Real-time spoken conversation via API

Pros

  • Speech-to-speech model in a Voice Agent API
  • $0.08/min
  • Sub-second latency (vendor-reported)

Cons

  • 86.9 Speech-to-Speech Index score and latency are vendor-reported, with no independent evaluation yet

Specs

Underlying Models

  • Grok Voice 3.0 (replaced Grok Voice 2.0 behind grok-voice-latest)

Platforms

  • Voice Agent API

Integrations

  • not publicly disclosed

Ideal For

  • Developers building voice agents

Tags

What are the best alternatives to Grok Voice 3.0 (xAI)?

Compare Grok Voice 3.0 (xAI) Head-to-Head

3

Frequently Asked Questions about Grok Voice 3.0 (xAI)

How much does Grok Voice 3.0 (xAI) cost?

Grok Voice 3.0 (xAI) pricing: Voice Agent API at $0.08/min.

Is Grok Voice 3.0 (xAI) free?

Grok Voice 3.0 (xAI) is a paid product with no permanent free tier.

What is Grok Voice 3.0 (xAI) used for?

Grok Voice 3.0 (xAI) is used for: Voice agents, Real-time spoken conversation via API.

What are the best alternatives to Grok Voice 3.0 (xAI)?

Top alternatives to Grok Voice 3.0 (xAI) include ElevenLabs, Grok, Azure AI Speech.

What platforms does Grok Voice 3.0 (xAI) support?

Grok Voice 3.0 (xAI) is available on: Voice Agent API.