UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2, 2025

Commission File Number: 001-38278

Jianpu Technology Inc.

5F Times Cyber Building, 19 South Haidian Road

Haidian District, Beijing

People’s Republic of China

(Address of principal executive offices)

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

Form 20-F      x                    Form 40-F     ¨

Exhibit Index

Exhibit 99.1 – Jianpu Technology Inc. Reports First Half Year 2025 Unaudited Financial Results

SIGNATURES

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.

Jianpu Technology Inc.


By	:	/s/ Daqing (David) Ye
Name	:	Daqing (David) Ye
Title	:	Chief Executive Officer

Date: September 2, 2025

Jianpu Technology Inc. 6-K