BCI startup Sabi raises $50M seed at $600M valuation for a brain-signal baseball cap
rohanpaul_ai · x · 2026-10-10
BCI startup Sabi has raised a $50M seed round at a reported $600M valuation, led by Vinod Khosla, with Accel, DST Global, Initialized Capital, and former OpenAI product chief Kevin Weil participating.
- The product is a baseball-cap wearable that turns brain signals into prompts for AI models
- It can hold up to 100,000 sensors of 1-5mm each
- Sabi claims it can predict your next 3-4 keystrokes from brain signals before you type
- A "brain foundation model" was trained on 100,000 hours of labeled neural recordings
- Sabi designed its own EEG chip, fabricated by TSMC — billed as the first chip purpose-built for consumer BCIs
Related event: BCI startup Sabi raises $50M at $600M valuation for mind-to-AI wearable cap(7 posts)→
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