Grok Voice Think Fast 1.0 (xAI news) 23 Apr 2026
Grok Voice Think Fast 1.0
Grok Voice Think Fast 1.0 ranks first on τ-Voice.
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Benchmarks with a score
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Ranked first, out of five or more models
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In the top three
xAI Apr 2026
Grok Voice Think Fast 1.0
Closed weights Flagship
No Epoch Capabilities Index score yet
- τ-Voice 67.3% #1 /5
Where it ranks
Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.
Vision, audio and robotics
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| τ-Voice | 67.3% | #1 of 5 | Official leaderboard |
Its launch post
The benchmarks the lab chose to headline, with the scores it gave.