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v3.25.3

Net Loss Per Share (Additional Information) (Details) | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
Weighted Average Shares Outstanding Exchange Ratio | 0.78

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- Definition Weighted average shares outstanding exchange ratio + References No definition available. + Details
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Namespace Prefix: | bzai_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration