BUSINESS COMBINATIONS - Narratives (Details)						1 Months Ended		3 Months Ended	12 Months Ended
	Aug. 07, 2024 shares	Aug. 06, 2024 USD ($) $ / shares shares	Jun. 14, 2024 USD ($)	Jan. 03, 2024 USD ($) shares	Apr. 26, 2022 USD ($) vote $ / shares shares	Dec. 31, 2024 $ / shares shares	Mar. 31, 2024 shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($)	Apr. 26, 2024 vote shares	Apr. 25, 2022 shares
Business Combination Segment Allocation [Line Items]
Shares authorized (in shares) | shares					500,000,000
Common stock authorized (in shares) | shares														250,030,433
Preferred stock, shares authorized (in shares) | shares					1,000,000	1,000,000		1,000,000	1,000,000	1,000,000	1,000,000		1,000,000	127,785,195
Common stock, par value (in dollars per share) | $ / shares					$ 0.0001
Shares issued upon conversion (in shares) | shares					5.5562
Conversion of shares (in shares) | shares									16,624,215		11,375,090
Net proceeds from Business Combination and PIPE Investment					$ 90,689,000				$ 0		$ 0	$ 90,689,000
Payments of Reverse Recapitalization Transaction Costs					27,668,000
PIPE financing					86,600,000							86,585,000
Stock issued in acquisitions					4,100,000							4,106,000
Change in fair value of contingent acquisition liabilities									222,670,000		0	0
Gain on bargain purchase									1,223,000		$ 0	$ 0
Business Combination, Bargain Purchase, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration]			Other income (expense), net
Synq3, Inc
Business Combination Segment Allocation [Line Items]
Stock issued in acquisitions									9,876,000
Purchase price				$ 15,843,000						$ 15,800,000
Shares issued as consideration (in shares) | shares				5,755,910
Equity consideration				$ 9,687,000
Aggregated consideration withheld				600,000
Decreased in deferred revenue									100,000
Increase in accrued litigation									1,800,000
Decrease in deferred tax liabilities assumed									200,000
Decrease in deferred cash consideration									100,000
Decrease in deferred equity consideration									600,000
Increase (decrease) in goodwill									200,000
Acquisition related expenses								$ 2,100,000	1,000,000.0
Cash paid				3,910,000
Revenue contributed									12,000,000.0
Net loss contributed									7,500,000
Net assets acquired				9,843,000
Intangible assets				$ 12,705,000
Synq3, Inc | Restricted Stock
Business Combination Segment Allocation [Line Items]
Shares issued as consideration (in shares) | shares				2,033,156
Synq3, Inc | Contingent Holdback Consideration
Business Combination Segment Allocation [Line Items]
Shares issued as consideration (in shares) | shares				1,179,514
Equity consideration				$ 500,000
Aggregated consideration withheld				$ 570,000
Decrease in contingent holdback consideration									400,000
Change in fair value of contingent acquisition liabilities									3,700,000
Synq3, Inc | Contingent Holdback Consideration | Common Stock
Business Combination Segment Allocation [Line Items]
Indemnification period				15 months
Synq3, Inc | Contingent earnout consideration
Business Combination Segment Allocation [Line Items]
Additional cash consideration				$ 800,000
Contingent consideration liability, up to (in shares) | shares				1,434,936
Aggregated consideration withheld				$ 1,676,000
Change in fair value of contingent acquisition liabilities									219,000,000.0
Synq3, Inc | Deferred holdback - to be settled in cash
Business Combination Segment Allocation [Line Items]
Deferred consideration liability				100,000
Synq3, Inc | Holdback - to be settled in cash
Business Combination Segment Allocation [Line Items]
Aggregated consideration withheld				100,000
Synq3, Inc | Earnout - to be settled in cash
Business Combination Segment Allocation [Line Items]
Aggregated consideration withheld				$ 200,000
Amelia Technologies, LLC
Business Combination Segment Allocation [Line Items]
Stock issued in acquisitions									23,920,000
Purchase price		$ 98,608,000
Equity consideration		15,291,000
Increase in accrued litigation									900,000
Increase (decrease) in goodwill									(700,000)
Acquisition related expenses									5,800,000
Cash paid		8,420,000
Increase of cash consideration									12,800
Decreased the accounts receivable									200,000
Decreased the non-current income tax liabilities									1,800,000
Decreased of contingent earnout consideration									5,300,000
Decreased the accounts payable									3,700,000
Decreased the accrued liabilities									1,200,000
Increased deferred revenue									300,000
Increased of deferred tax liabilities									700,000
Decrease in goodwill									9,300,000
Revenue contributed									42,000,000.0
Net loss contributed									8,500,000
Net assets acquired		2,904,000
Intangible assets		174,500,000
Amelia Technologies, LLC | Amelia Debt | Term Loan
Business Combination Segment Allocation [Line Items]
Shares issued as consideration (in shares) | shares	2,943,917
Principal amount		121,500,000
Amelia Technologies, LLC | Contingent earnout consideration
Business Combination Segment Allocation [Line Items]
Aggregated consideration withheld		$ 66,269,000
Change in fair value of contingent acquisition liabilities									211,900,000
Amelia Technologies, LLC | Upfront Consideration
Business Combination Segment Allocation [Line Items]
Escrow withholding period		6 months
Cash paid		$ 8,400,000
Amelia Technologies, LLC | Escrow Consideration Withholding
Business Combination Segment Allocation [Line Items]
Shares issued as consideration (in shares) | shares		2,149,530
Equity consideration		$ 8,628,000
Indemnification asset		$ 1,400,000
Stock consideration (in dollars per share) | $ / shares		$ 5.35
Amelia Technologies, LLC | Upfront Purchase Consideration
Business Combination Segment Allocation [Line Items]
Purchase price		$ 98,600,000
Shares withheld to secure indemnification obligations (in shares) | shares		16,822,429
Other Acquisition
Business Combination Segment Allocation [Line Items]
Purchase price			$ 1,000,000.0
Acquisition related expenses									100,000
Net assets acquired			2,200,000
Intangible assets			$ 2,550,000
Gain on bargain purchase									$ 1,200,000
Legacy Sound Hound
Business Combination Segment Allocation [Line Items]
Shares issued upon conversion (in shares) | shares													5.5562
Payments of Reverse Recapitalization Transaction Costs					$ 4,100,000
Class A Common Stock
Business Combination Segment Allocation [Line Items]
Common stock authorized (in shares) | shares					455,000,000	455,000,000		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	$ 0.0001	$ 0.0001
Number of votes per share | vote					1
Sale of shares (in shares) | shares					11,300,000
Consideration received on transaction					$ 113,000,000
Shares issued upon conversion (in shares) | shares													106,949,326
Conversion of shares (in shares) | shares					140,114,060	2,041	2,269,982
Class A Common Stock | Executive Officer | Unvested Restricted Stock
Business Combination Segment Allocation [Line Items]
Equity instruments granted (in shares) | shares				2,033,156
Class A Common Stock | Synq3, Inc | Deferred holdback - to be settled in shares
Business Combination Segment Allocation [Line Items]
Shares issued as consideration (in shares) | shares				361,145
Class A Common Stock | Synq3, Inc | Holdback - to be settled in cash
Business Combination Segment Allocation [Line Items]
Shares issued as consideration (in shares) | shares									38,277
Class A Common Stock | Amelia Technologies, LLC | Upfront Consideration
Business Combination Segment Allocation [Line Items]
Shares issued as consideration (in shares) | shares		3,809,520
Class A Common Stock | IPO | ATSP
Business Combination Segment Allocation [Line Items]
Sale of shares (in shares) | shares					12,767,950
Per share price (in dollars per share) | $ / shares					$ 10.00
Consideration received on transaction					$ 127,700,000
Class A Common Stock | Private Investment In Public Equity
Business Combination Segment Allocation [Line Items]
Per share price (in dollars per share) | $ / shares					$ 10.00
Class B Common Stock
Business Combination Segment Allocation [Line Items]
Common stock authorized (in shares) | shares					44,000,000	44,000,000		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	$ 0.0001	$ 0.0001
Number of votes per share | vote					10								10
Conversion of shares (in shares) | shares					40,396,600