[6-K] Pony AI Inc. Current Report (Foreign Issuer)

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 UNDER
THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2025

Commission file number: 001-42409

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Pony AI Inc.
(Exact Name of Registrant as Specified in Its Charter)

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1301 Pearl Development Building
1 Mingzhu 1st Street, Hengli Town, Nansha District
Guangzhou, People’s Republic of China, 511458

(Address of Principal Executive Offices)​

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Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

​ Form 20-F
☒ ​ ​ ​ Form 40-F
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EXHIBIT INDEX

Exhibit No.	​	​	Description	​
99.1	​	​	Pony AI Inc. Supplemental and Updated Disclosure	​

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Pony AI Inc.

​	Date: October 28, 2025	​	​	By: /s/ Jun Peng ​ ​	​
​	​	​	​	Name: Dr. Jun Peng ​	​
​	​	​	​	Title: Chairman of the Board, Chief Executive Officer ​	​