How much does a brain computer interface device cost?
Asked "How much does a brain computer interface device cost?", Gemini, Google AI Mode, ChatGPT and Copilot named 19 distinct names across 5 answers on September 9, 2026, and 3 of them in two or more answers.
Measured acrossGeminiGoogle AI ModeChatGPTCopilot
3 of 19 names confirmed · named in 2 or more of 5 answers · asked September 9, 2026 · 4 engines
The cost of a brain-computer interface (BCI) varies widely, ranging from $100 to a few thousand dollars for non-invasive EEG headsets, $10,000 to $100,000+ for research-grade non-invasive systems, and tens of thousands to hundreds of thousands of dollars for implanted medical BCIs, including surgery and hospital care.
- 1Neuralinknamed in 3 of 5 answers
- 2OpenBCInamed in 2 of 5 answers
- 3Synchronnamed in 2 of 5 answers
- 4Musenamed in 1 of 5 answersone answer
- 5Muse 2named in 1 of 5 answersone answer
- 6EMOTIVnamed in 1 of 5 answersone answer
- 7Emotiv EPOC Xnamed in 1 of 5 answersone answer
- 8g.tecnamed in 1 of 5 answersone answer
- 9Neurosity Crownnamed in 1 of 5 answersone answer
- 10Blackrock Neurotechnamed in 1 of 5 answersone answer
- 11OpenBCI Cyton Boardnamed in 1 of 5 answersone answer
- 12Neurable headphonesnamed in 1 of 5 answersone answer
- 13Kernel Flownamed in 1 of 5 answersone answer
- 14Bitbrain systemsnamed in 1 of 5 answersone answer
- 15Blackrock Neurotech Utah Arraynamed in 1 of 5 answersone answer
- 16Synchron Stentrodenamed in 1 of 5 answersone answer
- 17Medtronic Percept PCnamed in 1 of 5 answersone answer
- 18NeuroPace RNS Systemnamed in 1 of 5 answersone answer
- 19Neuralink N1 Implantnamed in 1 of 5 answersone answer
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The full measurement
- The position each of the 4 engines gave all 19 names.
- How many of the 5 answers named each of them.
- 24 sampled observations behind this ranking, and where the engines disagree.
- Fan-out — the query each engine actually searched.
- Every citation, and the sources nobody cited.