BUSINESS COMBINATION - Narratives (Details) $ / shares in Units, $ in Thousands		12 Months Ended
	Apr. 26, 2022 USD ($) votePerShare $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($)	Apr. 25, 2022 shares
Schedule of Reverse Recapitalization [Line Items]
Shares authorized (in shares)	500,000,000
Common stock authorized (in shares)					250,030,433
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000	1,000,000		127,785,195
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001
Preferred stock par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001	$ 0.0001
Conversion of stock, share conversion rate (in shares)	5.5562
Net proceeds from Business Combination and PIPE Investment | $	$ 90,689	$ 0	$ 90,689	$ 0
Transaction costs | $	27,668
PIPE financing | $	86,600		86,585
Stock issued in acquisitions | $	4,100		$ 4,106
Legacy Sound Hound
Schedule of Reverse Recapitalization [Line Items]
Transaction costs | $	$ 4,100
Class A Common Stock
Schedule of Reverse Recapitalization [Line Items]
Common stock authorized (in shares)	455,000,000	455,000,000	455,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001	$ 0.0001
Number of votes per share | votePerShare	1
Sale of shares (in shares)	11,300,000
Consideration received on transaction | $	$ 113,000
Conversion of shares (in shares)	140,114,060
Class A Common Stock | IPO | Archimedes Tech SPAC Partners Co, ATSP
Schedule of Reverse Recapitalization [Line Items]
Sale of shares (in shares)	12,767,950
Per share price (in dollars per share) | $ / shares	$ 10.00
Consideration received on transaction | $	$ 127,700
Class A Common Stock | Private Investment In Public Equity
Schedule of Reverse Recapitalization [Line Items]
Per share price (in dollars per share) | $ / shares	$ 10.00
Class B Common Stock
Schedule of Reverse Recapitalization [Line Items]
Common stock authorized (in shares)	44,000,000	44,000,000	44,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001
Number of votes per share | votePerShare	10
Conversion of shares (in shares)	40,396,600