Document and Entity Information Document Information [Table] Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact [Member] Business Contact Class of Stock [Axis] Class of Stock [Domain] ADR [Member] American Depository Shares American depository shares Common Class A [Member] Class A ordinary shares Document Information [Line Items] Document and Entity Information Document Type Document Registration Statement Document Annual Report Current Fiscal Year End Date Document Period End Date Document Fiscal Year Focus Document Transition Report Document Shell Company Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Contact Personnel Name Country Region City Area Code Local Phone Number Contact Personnel Email Address Entity Address, Address Line One Entity Address, Adress Line Two Entity Address, City or Town Entity Address, Country Entity Address, Postal Zip Code Title of 12(b) Security Trading Symbol No Trading Symbol Flag Security Exchange Name Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Emerging Growth Company ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Document Accounting Standard Entity Shell Company Auditor Firm ID Auditor Name Auditor Location Document Fiscal Period Focus Entity Central Index Key Amendment Flag CONSOLIDATED BALANCE SHEETS Statement [Table] Common Class B [Member] Class B ordinary shares Statement [Line Items] Statement Assets [Abstract] Assets Assets Assets, Current [Abstract] Current assets: Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents Restricted Cash, Current Restricted cash, current Short-Term Investments Short-term investments (including short-term investments measured at fair value of $209,035 and $872,158 as of December 31, 2024 and 2025, respectively) Short-term investments Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net Other Receivables, Net, Current Amounts due from related parties Amounts due from related parties, current Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Prepaid expenses and other current assets Assets, Current Total current assets Assets, Noncurrent [Abstract] Non-current assets: Non-current assets: Restricted Cash, Noncurrent Restricted cash, non-current Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Property, equipment and software, net Property, equipment and software, net Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Operating lease, right-of-use assets Long-Term Investments Long-term investments (including long-term investments measured at fair value of $93,449 and $129,876 as of December 31, 2024 and 2025, respectively) Total Long-term investments Prepaid Expense, Noncurrent Prepayment for long-term investments Other Assets, Noncurrent Other non-current assets Assets, Noncurrent Total non-current assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Shareholders' Equity Liabilities and Shareholders' Equity Liabilities, Current [Abstract] Current liabilities: Current liabilities: Amount of liabilities incurred to vendors for goods and services received, and liabilities classified as other, payable within one year or the normal operating cycle, if longer. Accounts Payable and Other Liabilities, Current Accounts payable and other current liabilities Total Operating Lease, Liability, Current Operating lease liabilities, current Operating lease liabilities, current Other Liabilities, Current Amounts due to related parties, current Other Liability, Current, Related Party [Extensible Enumeration] Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Operating lease liabilities, non-current Operating lease liabilities, non-current Other Liabilities, Noncurrent Other non-current liabilities Other non-current liabilities Liabilities Total liabilities Equity, Attributable to Parent [Abstract] Pony AI Inc. shareholders' equity: Common Stock, Value, Issued Ordinary shares Ordinary shares Additional Paid in Capital Additional paid-in capital Additional paid-in capital Carrying amount of special reserve. Special Reserve Special reserve Special reserve Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated deficit Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income (loss) Equity, Attributable to Parent Total Pony AI Inc. shareholders' equity Equity, Attributable to Noncontrolling Interest Non-controlling interests Equity, Including Portion Attributable to Noncontrolling Interest Balances as of ending Balances as of beginning Total shareholders' equity Liabilities and Equity Total liabilities and shareholders' equity Commitments and Contingencies. Commitments and contingencies (See note 10) Amount of fair value portion of short term investments. Short Term Investments, Fair Value Disclosure Short-term investments measured at fair value Amount of fair value portion of long term investments. Long Term Investments, Fair Value Disclosure Long-term investments measured at fair value Common Stock, Par or Stated Value Per Share Ordinary shares, par value (in dollars per share) Common Stock, Shares Authorized Ordinary shares, shares authorized Common Stock, Shares, Issued Ordinary shares, shares issued Common Stock, Shares, Outstanding Ordinary shares, shares outstanding CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS Product and Service [Axis] Product and Service [Domain] Service [Member] Service Product [Member] Sales of products Product Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Domain] Research and Development Expense [Member] R&D expenses Research and development expenses Selling, General and Administrative Expenses [Member] Selling, general and administrative expenses Revenue from Contract with Customer, Excluding Assessed Tax Revenues Total Revenues Cost of Revenue Cost of revenues Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development expenses Selling, General and Administrative Expense Selling, general and administrative expenses Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Investment Income, Nonoperating Investment income Fair Value Adjustment of Warrants Changes in fair value of warrants liability Changes in fair value of warrants liability Equity Securities, FV-NI, Gain (Loss) Changes in fair value of trading securities Changes in fair value of trading securities Other Nonoperating Income (Expense) Other income, net Other (expenses) income, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before provision for income tax Loss before income tax Income Tax Expense (Benefit) Income tax benefits (expenses) Total income tax benefits (expenses) Total income tax benefits Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net loss Net loss Net (loss) income Net Income (Loss) Attributable to Noncontrolling Interest Net (loss) income attributable to non-controlling interests Net loss Net loss attributable to ordinary shareholders Weighted Average Number of Shares Outstanding, Basic Weighted average number of shares outstanding used in computing net loss per share, basic Weighted average number of ordinary shares outstanding, basic Weighted Average Number of Shares Outstanding, Diluted Weighted average number of shares outstanding used in computing net loss per share, diluted Weighted average number of ordinary shares outstanding, diluted Earnings Per Share, Basic Net loss per ordinary share and per ADS, basic Net loss per share and per ADS, basic Earnings Per Share, Diluted Net loss per ordinary share and per ADS, diluted Net loss per share and per ADS, diluted Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustments OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Unrealized gain (loss) on available-for-sale investments, net of tax of $243, $(282) and $(27), for the years ended December 31, 2023, 2024 and 2025, respectively Fair value increase Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) Total other comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Less: Comprehensive (loss) income attributable to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive loss attributable to Pony AI Inc. Share-Based Payment Arrangement, Expense Share-based compensation expenses Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Domain] Related Party [Member] Related party OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Unrealized gain on available-for-sale investments, tax CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' (DEFICIT) EQUITY Equity Components [Axis] Equity Component [Domain] Parent [Member] PONY AI INC. Shareholders' (Deficit) Equity Common Stock [Member] Ordinary Shares Common Stock Additional Paid-in Capital [Member] Additional Paid-in Capital Represents the information pertaining to special reserve. Special Reserve [Member] Special Reserve AOCI Attributable to Parent [Member] Accumulated Other Comprehensive (Loss) Income Retained Earnings [Member] Accumulated Deficit Noncontrolling Interest [Member] Non-Controlling Interests Sale of Stock [Axis] Sale of Stock [Domain] IPO [Member] Initial public offering Private Placement [Member] Private placement Represents information pertaining to dual primary listing. Dual Primary Listing [Member] Dual primary listing Increase (Decrease) in Stockholders' Equity [Roll Forward] CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' (DEFICIT) EQUITY Shares, Outstanding Balances as of ending (in shares) Balances as of beginning (in shares) Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Issuance of Class A ordinary shares upon vesting of restricted stock units ("RSUs") Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Issuance of Class A ordinary shares upon vesting of restricted stock units ("RSUs") (in shares) Amount of decrease in additional paid in capital (APIC) for deemed distribution of redeemable preferred stock. Adjustments to Additional Paid in Capital, Deemed Distribution of Repurchase of Convertible Redeemable Preferred Shares Deemed distribution from repurchase of Series A convertible redeemable preferred shares Stock Repurchased During Period, Value Repurchase of ordinary shares Total consideration for repurchase of shares Stock Repurchased During Period, Shares Repurchase of ordinary shares (in shares) Repurchase of ordinary shares (note a) (in shares) Number of shares repurchased Stock Issued During Period, Value, New Issues Issuance of Class A ordinary shares, net of issuance cost Stock Issued During Period, Shares, New Issues Issuance of Class A ordinary shares, net of issuance cost (in shares) Number of shares issued and sold (in shares) Stock Issued During Period, Value, Conversion of Convertible Securities Conversion of Preferred Shares to Class A ordinary shares upon the completion of the IPO Conversion of preferred shares to Class A ordinary shares upon the completion of the IPO Stock Issued During Period, Shares, Conversion of Convertible Securities Conversion of Preferred Shares to Class A ordinary shares upon the completion of the IPO (in shares) Conversion of preferred shares to Class A ordinary shares upon the completion of the IPO (in shares) The value of accretion of temporary equity redemption value. Accretion of Temporary Equity Redemption Value Accretion of convertible redeemable preferred shares The value of modifications pertaining to temporary equity. Modification Pertaining To Temporary Equity Modification of convertible redeemable preferred shares Amount of decrease in additional paid in capital (APIC) for settlement of share-based awards. Adjustments to Additional Paid in Capital, Settlement of Share-based Awards Settlement of RSUs and share options Amount recorded a reduction to additional paid-in capital Value of stock issued as a result of the exercise and vesting of share-based awards. Stock Issued During Period, Value, Exercised And Vested Issuance of Class A ordinary shares upon exercising of share options and vesting of RSUs Number of shares exercised or vested during the current period. Stock Issued During Period, Shares, Exercises And Vesting In Period Issuance of Class A ordinary shares upon exercising of share options and vesting of RSUs Amount of decrease in additional paid-in capital (APIC) for repurchase or settlement of share-based awards. Adjustments To Additional Paid In Capital, Repurchase Or Settlement Of Share Based Awards Repurchase/Settlement of RSUs Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Share-based compensation The amount of reclassifications from retained earnings to special reserve. Reclassification from Retained Earnings to Special Reserve Provision of special reserve Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Dividends distribution to a non-controlling shareholder Represents the Safety Production Fund expressed in percentage of freight transportation revenues. Safety Production Fund, Percentage of Freight Transportation Revenues Safety Production Fund (in percent) CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation Depreciation and amortization Share-Based Payment Arrangement, Noncash Expense Share-based compensation Gain (Loss) on Disposition of Property Plant Equipment Losses (gains) from disposal of property and equipment Gain (Loss) on Sale of Investments Realized gains from investments Deferred Income Tax Expense (Benefit) Total deferred tax benefits Deferred income tax Gain (Loss), Foreign Currency Transaction, before Tax Unrealized foreign exchange losses (gains) Amount of non-cash lease expense during the period. Non-Cash Lease Expense Non-cash lease expenses Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Due from Related Parties, Current Amounts due from related parties Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Other Noncurrent Assets Other non-current assets Increase (Decrease) in Accounts Payable and Other Operating Liabilities Accounts payable and other current liabilities The increase (decrease) during the reporting period in right-of-use asset. Increase (Decrease) in Right-of-Use Asset Right-of-use assets Increase (Decrease) in Operating Lease Liability Operating lease liabilities, current and non-current