Image: Neuralink
Neuralink says early speech restoration work is letting participants with ALS turn thoughts into text and voice at conversational rates, with one person hitting 75 words a minute in their first week, a big step beyond the thought-to-speech clips the company has shared before.
In an October 28 post on X, Neuralink said it is enabling speech-to-text and voice for people with ALS, and that one participant reached 75 words per minute with a 5.8% word error rate on a 125,000-word vocabulary during that first week.
Those figures come from Neuralink alone. The company did not name the participant, share how many people are in the speech cohort, or publish a matching blog update alongside the post. Elon Musk had not replied to the update as of early afternoon Pacific Time.
Word error rate is the share of words the system gets wrong, so 5.8% means most of a large vocabulary is landing correctly even this early. Neuralink framed the pace as conversational, without publishing a side-by-side against typical spoken English.
Speech has been a growing focus for the implant maker. In September, Neuralink showed VOICE trial participant Terry training a thought-to-speech system that speaks in his own voice with help from Grok Voice, and earlier that month it shared Kenneth Shock saying “I love you” to his wife using neural signals alone.
Cursor control has been moving in parallel. In early October, Neuralink said it had trained neural encoders on more than 50,000 hours of brain data from clinical trial participants, cutting calibration time and setting a new brain-computer interface bit-rate record.
ALS, or amyotrophic lateral sclerosis, can strip people of the ability to speak even when their minds stay sharp. Neuralink’s pitch is that an implant reading neural signals can restore a path to text and spoken voice without relying on residual muscle movement.
Will more VOICE participants clear the same first-week bar, or was this one result an outlier?
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