Class Of Warrant Or Right, Trigger Price

No definition available.

Name:	soun_ClassOfWarrantOrRightTriggerPrice
Namespace Prefix:	soun_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Class of Warrants, Redemption Notice Period

+ References

No definition available.

+ Details

Name:	soun_ClassOfWarrantsRedemptionNoticePeriod
Namespace Prefix:	soun_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Class of Warrants, Redemption Price Per Unit

+ References

No definition available.

+ Details

Name:	soun_ClassOfWarrantsRedemptionPricePerUnit
Namespace Prefix:	soun_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Consecutive Trading Days For Determining Share Price

+ References

No definition available.

+ Details

Name:	soun_NumberOfConsecutiveTradingDaysForDeterminingSharePrice
Namespace Prefix:	soun_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

+ Details

Name:	us-gaap_ConversionOfStockSharesIssued1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

Name:	us-gaap_ProceedsFromWarrantExercises
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=soun_PublicWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=soun_ArchimedesTechSPACPartnersCoATSPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	soun_TriggeringEventsAxis=soun_SharePriceEqualOrExceedsEighteenDollarsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=soun_PublicWarrantsAndPrivateWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=soun_PrivateWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

WARRANTS (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
WARRANTS (Details) - USD ($) $ in Thousands	Apr. 26, 2022	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Warrants (Details)
Proceeds from warrants exercised (less than)				$ 0	$ 13
Class A Common Stock
Warrants (Details)
Common stock issued upon conversion of shares (in shares)		0	0	0	1,110
Public Warrants
Warrants (Details)
Proceeds from warrants exercised (less than)		$ 0	$ 0	$ 0	$ 0
Public Warrants \| ATSP
Warrants (Details)
Number of securities called by each warrant or right ( in shares)	1
Exercise price per share (in dollars per share)	$ 11.50
Public Warrants \| ATSP \| Share Price Equal Or Exceeds Eighteen Rupees Per Dollar
Warrants (Details)
Redemption price (in dollars per share)	$ 0.01
Redemption notice period	30 days
Warrant trigger price (in dollars per share)	18.00
Public Warrants \| ATSP \| Share Price Equal Or Exceeds Eighteen Rupees Per Dollar \| Minimum
Warrants (Details)
Number of consecutive trading days for determining share price	20 days
Public Warrants \| ATSP \| Share Price Equal Or Exceeds Eighteen Rupees Per Dollar \| Maximum
Warrants (Details)
Number of consecutive trading days for determining share price	30 days
Public Warrants and Private Warrants
Warrants (Details)
Warrants issued and outstanding (in shares)		3,654,115		3,654,115		3,654,115
Private Warrants
Warrants (Details)
Proceeds from warrants exercised (less than)		$ 0	$ 100	$ 0	$ 100