STOCK INCENTIVE PLANS - Narrative (Details)			1 Months Ended		12 Months Ended						32 Months Ended	36 Months Ended
	Jan. 03, 2024 Rate shares	Apr. 26, 2022 vote shares	Dec. 31, 2024 USD ($) shares	Mar. 31, 2024 shares	Dec. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($) tranche employee Rate shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2026	Aug. 06, 2024 shares	Apr. 26, 2024 vote	Apr. 25, 2022 shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Option exercises subject to repurchase (in shares) | shares							0		0	0
Grants in period, weighted average grant date fair value (in dollars per share) | $ / shares										$ 3.11
Options granted ( in shares) | shares							0		0
Fair value of options vested							$ 3,000,000.0		$ 4,500,000	$ 9,900,000
Compensation expense							33,145,000		27,931,000	28,792,000
Unamortized expense			$ 1,400,000				$ 1,400,000	$ 1,400,000			$ 1,400,000
Number of affected employees | employee							166
Modification incremental cost							$ 3,200,000		$ 0	0
Conversion of shares (in shares) | shares							16,624,215		11,375,090
Legacy Sound Hound
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of legacy shares held by founders (in shares) | shares															7,270,503
Class A Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Conversion of shares (in shares) | shares		140,114,060	2,041	2,269,982
Number of votes per share | vote		1
Class B Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Conversion of shares (in shares) | shares		40,396,600
Number of votes per share | vote		10												10
Stock based compensation expense										1,000,000
Two Thousand Twenty Two Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Issuance of common stock (in shares) | shares		19,650,371
Percentage of outstanding stock (in percent)		10.00%
Awards remaining for issuance shares (in shares) | shares			417,633				417,633	417,633			417,633
2022 Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Aggregate share percentage		2.00%
Period over which the aggregate number of shares can increase		10 years
Offering period		27 months
Look-back period		6 months
Percentage of fair market value		85.00%
2022 Employee Stock Purchase Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock reserved for issuance (in shares) | shares		3,930,074
2022 Employee Stock Purchase Plan | Class A Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Issuance of ESPP (in shares) | shares											936,368
2024 Employment Inducement Incentive Award Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Issuance of common stock (in shares) | shares													6,000,000
2016 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Awards remaining for issuance shares (in shares) | shares			0				0	0			0
Stock-based awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (years)							4 years
Contractual expirations (years)							10 years
Amortization period (years)							8 months 4 days
Stock-based awards | Two Thousand Twenty Two Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Period during which shares reserved for increase may be increased		10 years
Stock-based awards | Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (years)							1 year
Vesting percentage ( percent) | Rate							25.00%
Stock-based awards | Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (years)							3 years
Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Equity instruments granted (in shares) | shares							14,009,111		11,158,301
Fair value of options vested							$ 24,100,000		$ 25,500,000	12,000,000.0
Compensation expense							27,200,000		20,400,000	19,000,000.0
Unamortized expense			$ 67,600,000				67,600,000	$ 67,600,000			$ 67,600,000
Excluding option, cost not yet recognized, amount			76,200,000				$ 76,200,000	$ 76,200,000			76,200,000
Amortization period (years)							2 years 3 months 14 days
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Employee
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Equity instruments granted (in shares) | shares							10,622,133
Restricted Stock Units (RSUs) | Synq3, Inc
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Equity instruments granted (in shares) | shares	1,434,978
Revenue target							$ 9,000,000.0
Restricted Stock Units (RSUs) | Synq3, Inc | Forecast
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Revenue target					$ 30,000,000.0	$ 21,000,000.0
Restricted Stock Units (RSUs) | Synq3, Inc | Forecast | Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting percentage ( percent)												50.00%
Restricted Stock Units (RSUs) | Synq3, Inc | Forecast | Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting percentage ( percent)												100.00%
Restricted Stock Units (RSUs) | 2016 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (years)							4 years
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche One | Synq3, Inc
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (years)	3 years
Vesting percentage ( percent) | Rate	25.00%
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche One | 2016 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (years)							1 year
Vesting percentage ( percent) | Rate							25.00%
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche Two | Synq3, Inc
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting percentage ( percent) | Rate	75.00%
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche Two | 2016 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (years)							3 years
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche Three | Grantee Status, SYNQ3 Employees
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Equity instruments granted (in shares) | shares								1,952,000
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche Three | Grantee Status, Amelia Employees
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Equity instruments granted (in shares) | shares								0
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche Three | Synq3, Inc | Grantee Status, SYNQ3 Employees
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (years)								4 years
Performance Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Equity instruments granted (in shares) | shares							1,376,234
Compensation expense							$ 1,100,000		1,300,000	400,000
Unamortized expense			8,600,000				$ 8,600,000	$ 8,600,000			8,600,000
Amortization period (years)							1 year 9 months 3 days
Unrecognized expense			2,500,000				$ 2,500,000	2,500,000			2,500,000
Market Based RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Compensation expense							600,000		1,500,000	1,100,000
Unamortized expense			10,700				10,700	10,700			10,700
Unamortized expense			3,000,000.0				$ 3,000,000.0	3,000,000.0	4,000,000.0	$ 8,700,000	3,000,000.0
Restricted Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Equity instruments granted (in shares) | shares	2,033,156						2,033,156
Compensation expense							$ 800,000
Amortization period (years)							1 year 9 months 3 days
Unrecognized expense			700,000				$ 700,000	700,000			700,000
Restricted Stock | Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (years)							3 years
Vesting percentage ( percent)							25.00%
Number of tranches | tranche							3
Restricted Stock | Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting percentage ( percent)							75.00%
Number of tranches | tranche							3
Employee Stock Purchase Plan Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Compensation expense							$ 500,000		$ 400,000
Amortization period (years)							4 months 9 days
Unrecognized expense			$ 400,000				$ 400,000	$ 400,000			$ 400,000