Organoid computers use three-dimensional neural organoids as part of a computational system. The organoid is grown from stem-cell-derived neural tissue, placed in contact with an electrical interface and exposed to structured inputs while its activity is recorded.
What has been demonstrated
Brainoware used a brain organoid as an adaptive reservoir for speech recognition and nonlinear prediction. A 2026 cart-pole study reported feedback-driven improvement in a goal-directed task. A 2025 Braille preprint tested tactile encoding and classification.
Why use an organoid?
Three-dimensional tissue can develop richer cellular organisation than a flat dissociated culture. That is biologically attractive, while electrically inconvenient: dense tissue is harder to stimulate and observe throughout its volume.
Scaling is a biology-and-interface problem
Larger tissue needs reliable nutrient and oxygen delivery, consistent cell composition and denser bidirectional interfaces. New devices such as 3D-MIND show one way to bring electronics into 3D neural networks. 3D-MIND itself uses a cultured neural network and is not a brain organoid.
Terminology
Organoid intelligence is the broader research programme around using organoids for learning, information processing and adaptive control. “Organoid computer” is a convenient description of the resulting hardware, but researchers do not use one fixed naming scheme.