Grok TTS Tops Humanness Index
Scobleizer · x · 2026-07-18
Grok TTS secured first place on The Humanness Index with a score of 94, approaching the human baseline of 100.
The post also highlights key comparisons:
- Price: Grok TTS is $15, while Eleven v3 is $100
- Latency: Grok TTS is 460 ms, while Eleven v3 is 758 ms
The author emphasizes that Grok achieves higher human voice naturalness while being more affordable and faster.
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