x.ai grok Update Version grok-voice-think-fast-1.0

Apr 23, 2026: xAI introduces `grok-voice-think-fast-1.0`, a flagship voice agent for complex support, sales, and enterprise workflows. It emphasizes low-latency reasoning, precise data entry, and multi-tool orchestration, with 25+ language support.

• New flagship voice model for real-time, multi-step voice workflows.
• Supports precise collection and read-back of structured data such as names, addresses, phone numbers, and account numbers.
• Performs background reasoning with zero added response latency.
• Native support for 25+ languages.
• Designed for high-volume tool calling in customer support, sales, and enterprise use cases.

• Available via API and the Open playground.
• Built for noisy, interrupted, real-world telephony scenarios.
• The post highlights Starlink deployment examples, including customer support and sales automation.

Product Information

Vendor: x.ai

Product: grok

Version: grok-voice-think-fast-1.0

Release date: Apr 23, 2026