Commercial BCIs have just hit the market in China with neuracle receiving approval from the CCP.
https://www.msn.com/en-xl/news/other/china-first-to-approve-invasive-bci-device-for-commercial-use/ar-AA1YHY2m?cvid=69b8f4727a1d4e8c81a5470e5781c9cf&ocid=hpmsn
Neurolink has plans to enter mass production this year.
https://www.reuters.com/business/healthcare-pharmaceuticals/musk-says-neuralink-start-high-volume-production-interface-devices-by-2026-2026-01-01/
Synchron has plans to start massive trials this year.
https://www.pakistantoday.com.pk/2026/02/10/post-303172
Precision neuroscience leads the race in terms of bandwidth and has approval as a temporary device.
https://wvumedicine.org/news/article/WVU-Medicine/Ruby-Memorial-Hospital/wvu-rockefeller-neuroscience-institute-precision-neuroscience-expand-partnership-on-next-generation-brain-computer-interface-technology
As of now these are all for spinal injury and stroke patients but it isn't hard to imagine how these devices could be used for human enhancement.