Meituan LongCat Releases LongCat-2.5-Preview with 1.6T Parameters and 1M Context

Key Info

LongCat-2.5-Preview is now live with 1.6T parameters, about 48B active, and a 1M-token context window, featuring native multimodal support for long-horizon tasks across terminals, browsers, GUIs, spreadsheets, and design tools.

Highlights

• 1.6T parameters with approximately 48B active parameters.
• 1M-token context window enables long-horizon tasks.
• Native multimodal support.
• Available via API and chat platform.