Neural Interface
Neuralink vs Synchron
Two leading brain–computer interface companies take very different surgical paths. Neuralink implants a high-electrode chip directly into the cortex with a custom robot; Synchron threads a stent-based electrode through a blood vessel, avoiding open-brain surgery.
| Metric | Neuralink | Synchron |
|---|---|---|
| Implant method | Robot-implanted cortical chip (open skull) | Endovascular Stentrode via blood vessel |
| Procedure | Neurosurgery; threads in motor cortex | ~90-min, no open-brain surgery (outpatient-style) |
| Signal bandwidth | Very high (1,024 electrodes) | Lower (fewer electrodes) |
| Est. cost (reported) | ~$250,000–$300,000 | ~$142,000 |
| Scaling thesis | Highest performance ceiling | Scales on existing vascular procedures |
Takeaway
Synchron's less invasive approach is easier to scale using routine vascular procedures and lower cost, and it began human trials early. Neuralink trades a more invasive surgery for far higher electrode counts and a higher performance ceiling. Different bets: Synchron optimizes for accessibility, Neuralink for capability.
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