COMMON STOCK - (Details)								1 Months Ended			12 Months Ended
	Jan. 24, 2025 USD ($)	Nov. 12, 2024 USD ($)	Apr. 09, 2024 USD ($)	Jul. 28, 2023 USD ($)	Feb. 14, 2023 USD ($)	Aug. 16, 2022 USD ($) shares	Apr. 26, 2022 USD ($) vote $ / shares shares	Feb. 28, 2025 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares	Mar. 31, 2024 shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($)	Apr. 26, 2024 vote $ / shares shares	Jan. 20, 2023 $ / shares	Apr. 25, 2022 shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock authorized (in shares) | shares																250,030,433
Shares authorized (in shares) | shares							500,000,000
Common stock, par value (in dollars per share) | $ / shares							$ 0.0001
Preferred stock, shares authorized (in shares) | shares							1,000,000		1,000,000		1,000,000	1,000,000		1,000,000		127,785,195
Preferred stock par value (in dollars per share) | $ / shares							$ 0.0001		$ 0.0001		$ 0.0001	$ 0.0001		$ 0.0001
Conversion of shares (in shares) | shares											16,624,215	11,375,090
Derivative liability, statement of financial position [Extensible Enumeration]												Additional paid-in capital	Additional paid-in capital
Loss on change in fair value of ELOC program											$ 0	$ 1,901,000	$ 1,075,000
Proceeds from the issuance of common stock									$ 23,500		0	9,369,000	4,160,000
Commission and offering costs borne											$ 10,357,000	0	0
Common Stock Purchase Agreement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Costs and fees incurred												200,000
Warrant liability						$ 1,100,000
Loss on change in fair value of ELOC program												$ 1,900,000	$ 1,100,000
Sale of shares (in shares) | shares												25,000,000
Consideration received on transaction												$ 71,700,000
Common Stock Purchase Agreement | Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Per share price (in dollars per share) | $ / shares												$ 1.75
Common Stock Purchase Agreement | Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Per share price (in dollars per share) | $ / shares												$ 4.26
Controlled Equity Offering Sales Agreement | Subsequent Event
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Per share price (in dollars per share) | $ / shares								$ 15.94
Shares authorized for sale								$ 182,300,000
Fixed commission rate (in percent)	0.020
Issuance of common stock (in shares) | shares								4,248,900
Proceeds from the issuance of common stock								$ 67,700,000
Commission and offering costs borne								$ 1,400,000
Equity Distribution Agreement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Proceeds from the sales of share		$ 120,000,000.0
Common Stock | Equity Distribution Agreement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Sale of shares (in shares) | shares											31,694,198
Consideration received on transaction											$ 146,200,000
Per share price (in dollars per share) | $ / shares									$ 4.73		$ 4.73
Commission and offering costs borne											$ 3,700,000
Remaining capacity available for issuance											$ 0
Common Stock | Execute Equity Distribution Agreement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Sale of shares (in shares) | shares											16,224,989
Consideration received on transaction											$ 117,000,000.0
Per share price (in dollars per share) | $ / shares									$ 7.40		$ 7.40
Commission and offering costs borne											$ 3,000,000.0
Remaining capacity available for issuance											$ 0
Class A Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock authorized (in shares) | shares							455,000,000		455,000,000		455,000,000	455,000,000
Common stock, par value (in dollars per share) | $ / shares							$ 0.0001		$ 0.0001		$ 0.0001	$ 0.0001
Conversion of shares (in shares) | shares							140,114,060		2,041	2,269,982
Number of votes per share | vote							1
Sale of shares (in shares) | shares							11,300,000
Consideration received on transaction							$ 113,000,000
Issuance of common stock (in shares) | shares							11,300,000
Class A Common Stock | Common Stock Purchase Agreement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Aggregate number of shares not to be exceeded (in shares) | shares						25,000,000
Purchase price as a percentage of the volume-weighted average price (in percent)						97.00%
Shares issued as consideration (in shares) | shares						250,000
Costs and fees incurred					$ 300,000
Class A Common Stock | Controlled Equity Offering Sales Agreement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Sale of shares (in shares) | shares											5,805,995
Per share price (in dollars per share) | $ / shares									$ 2.19		$ 2.19
Shares authorized for sale				$ 150,000,000.0					$ 133,800,000		$ 133,800,000
Fixed commission rate (in percent)				0.025
Sales agent specified expenses				$ 75,000
Proceeds from the issuance of common stock											12,700,000
Commission and offering costs borne												$ 300,000
Class A Common Stock | Controlled Equity Offering Sales Agreement | Subsequent Event
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares authorized for sale	$ 250,000,000.0
Class A Common Stock | Equity Distribution Agreement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Consideration received on transaction			$ 150,000,000.0
Fixed commission rate (in percent)			0.025
Proceeds from the issuance of common stock			$ 150,000,000.0
Class A Common Stock | Execute Equity Distribution Agreement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Consideration received on transaction		$ 120,000,000.0									$ 120,000,000.0
Fixed commission rate (in percent)		0.025
Class A Common Stock | Common Stock | Sales Agreement Issuance
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Sale of shares (in shares) | shares											37,907,219
Per share price (in dollars per share) | $ / shares									$ 3.62		$ 3.62
Proceeds from the issuance of common stock											$ 137,300,000
Commission and offering costs borne											$ 3,400,000
Class B Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock authorized (in shares) | shares							44,000,000		44,000,000		44,000,000	44,000,000
Common stock, par value (in dollars per share) | $ / shares							$ 0.0001		$ 0.0001		$ 0.0001	$ 0.0001
Conversion of shares (in shares) | shares							40,396,600
Number of votes per share | vote							10							10
Common stock conversion ratio									1		1
Class B Common Stock | Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Converted shares (in shares) | shares											4,950,000	2,250,000
Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Converted shares (in shares) | shares							180,510,660
Common Stock | Legacy Sound Hound
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Converted shares (in shares) | shares							73,561,334
Preferred Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Per share price (in dollars per share) | $ / shares															$ 30.00
Preferred Stock | Legacy Sound Hound
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Converted shares (in shares) | shares							106,949,326