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LongCat · First-party API · LLM

LongCat-2.5-Preview

Release announcedReleased on Sep 25, 2026

LongCat released LongCat-2.5-Preview on Sep 25, 2026. Source: longcat.chat · Last checked Oct 23, 2026

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Notice

Release announced

Released on Sep 25, 2026

LongCat announced this model on 2026-09-25.

Hosting route
First-party API
Affected scope
Not stated in the notice
Announced
Sep 25, 2026
First seen by ModelClock
Oct 15, 2026

What the provider published

longcat.chat ↗

Version: 2026-09-25 ​

LongCat-2.5-Preview Now Available ​

LongCat-2.5-Preview's core features include:

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