Alljoined

Alljoined

Decoding neural signals for brain-computer interfaces

Overview

Alljoined builds and provides a complete Brain-Computer Interface (BCI) stack that decodes neural signals into meaningful representations like images, text, sound, and video using deep learning. Its products operate by collecting neural data through a BCI, processing and decoding it with in-house models, and producing user-ready outputs across multiple modalities. The company differentiates itself by offering an affordable, high-quality interface and an end-to-end stack, backed by researchers from top institutions, and by licensing the technology to device manufacturers and application developers while pursuing clinical partnerships. Its goal is to democratize neural decoding and enable interaction with devices at the speed of thought for healthcare diagnostics, creative industries, and other human–technology applications.

About Alljoined

Simplify's Rating
Why Alljoined is rated
C+
Rated B on Competitive Edge
Rated B on Growth Potential
Rated D+ on Differentiation

Industries

Data & Analytics

AI & Machine Learning

Healthcare

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

San Francisco, California

Founded

2023

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Simplify's Take

What believers are saying

  • Deep learning and multimodal fusion now enable extraction of speech, imagery, and emotion from neural signals.
  • Consumer-grade EEG decoding enables affordable BCIs for healthcare diagnostics and creative industries.
  • Alljoined aims to transform 100B+ industries by decoding text, video, and emotion from brain data.

What critics are saying

  • US regulators may impose algorithmic disgorgement sanctions in 12–18 months, forcing deletion of EEG datasets and proprietary models.
  • EU AI Act may classify BCI as high-risk in 18–24 months, triggering fines up to 7% of global turnover.
  • AI-driven phishing could breach EEG participant pipeline in 6–12 months, exposing raw brain data and stealing IP.

What makes Alljoined unique

  • Alljoined is the first to demo end-to-end consumer EEG image reconstruction on $2,200 hardware.
  • It uses the largest open consumer EEG-image dataset, Alljoined-1.6M, with 1.6 million trials from 20 participants.
  • ENIGMA model learns shared visual language across brains, adapting to new users in minutes instead of hours.

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Benefits

Health Insurance

Vision Insurance

Dental Insurance

Unlimited Paid Time Off

Relocation Assistance

401(k) Company Match

Growth & Insights

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%

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