Post-Cutoff

SpaceXSI announces Grok Voice 3.0

SpaceX Super Intelligence @SpaceXSIX

Why it matters

Official launch post for Grok Voice 3.0; about 1.67M views within a day (fxtwitter, 15 Oct), the highest-reach post in the 15 Oct sweep’s X list.

Summary

Launch post (17:04 UTC, Oct 14): “Introducing Grok Voice 3.0, the world’s most intelligent speech-to-speech model. It excels at resolving customer calls, responds in under a second, and costs less than other frontier models.” A follow-up post in the thread (2110416584183628161, ~60k views) says it ‘achieves frontier performance in voice agent tasks at 40% lower latency’ and that ‘At SpaceX, it resolves 70% of Starlink support calls on its own.’

Metrics on 2026-10-15 via api.fxtwitter.com: 1,668,590 views, 9,110 likes, 690 reposts; account ~2.08M followers.

Archived text

Introducing Grok Voice 3.0, the world’s most intelligent speech-to-speech model.

It excels at resolving customer calls, responds in under a second, and costs less than other frontier models.

Source: x.com/SpaceXSI/status/2110416580899168305Archived 2026-10-15 via fxtwitter (unofficial).Counts: 1,689,974 views, 9,143 likes, 691 reposts, 472 replies (at fetch time)Media: image

Cited in

  1. Model releases 106 days after the cutoff

    SpaceXSI releases Grok Voice 3.0, topping Artificial Analysis’ speech-to-speech index at $0.08/min