Voice & Audio

Grok Voice Think Fast

by xAI · Freemium

xAI's flagship voice model for complex, multi-step enterprise workflows. #1 on τ-voice Bench. Handles telephony noise, heavy accents, and interruptions. Powers Starlink phone support at 70% autonomous resolution. API at $0.05/min.

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5.0

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from 1 reviews

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📋 Editorial Review

In-Depth Editorial ★ Editor's Pick

Grok Voice Think Fast 1.0 Review: #1 Voice Agent for Enterprise Workflows

grok-voice-think-fast-1.0 is xAI's flagship voice model released April 24, 2026. It tops the τ-voice Bench leaderboard for real-world noise, accent, and interruption handling. At $0.05/min via the xAI API it is the lowest-cost frontier voice agent available. Already live on Starlink's support line with 70% autonomous resolution and 20% phone sales conversion.

✎ pat bob 🕑 7 min read 👁 2,977 views

9.0

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⭐ User Reviews

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★★★★★

5/5 28 Aug 2026

Best and Great Value Voice Model; Also works well for camera on code reviews with less latency (at tradeoff of accuraccy

“Best price, doesn’t sugarcoat and less lies than competitors, anis hot in an anime way (that’s the most dangerous part haha but that’s apparently going away and this review is f...”

By Cgrady92 · Coding, problem solving, random questions · Paid tier

✓ Pros

Best price, doesn’t sugarcoat and less lies than competitors, anis hot in an anime way (that’s the most dangerous part haha but that’s apparently going away and this review is for voice think fast mode, Very low latency for real-time use, Natural-sounding speech synthesis, Wide range of voice styles and tones, Voice cloning is impressively accurate

✗ Cons

This is personal but I don’t think the companion somewhat related feature is healthy (or should have timeouts or a disclaimer upon open (imagine if your a 12 year old dude with that during covid or similar situation), Voice cloning raises ethical concerns, Transcription errors with heavy accents or background voice but that’s all voice models