September 26th.Meituan (Japanese company)The LongCat API Open Platform came online on September 25thModel LongCat-2.5-Preview, main play on "long-range missions" andMultimodalityCAPABILITY AND THE SIMULTANEOUS OPENING OF API WITH WEB-END EXPERIENCE PORTALS。

1AI ATTACH THE FOLLOWING OFFICIAL UPDATE LOG:
The core features of LongCat-2.5-Preview are as follows:
- Multimodular Understanding: Adding Photo Understanding, which can decipher the image content and support cross-model questions and answers, executive summaries and complex visual reasoning。
- Coding Capability: High profile on code generation, code understanding and automated programming tasks。
- Depth fit mainstream development environment like Claude Code: Efficient synergy with Claude Code, Hermes, OpenClaw, OpenCode, Kilo Code。
According to officially published information, the LongCat-2.5-Preview model continues the MoE (mixed expert) route, with a total parameter volume of approximately 1.6 trillion, and a reasoning activation parameter of about 48 billion each. The model supports a 1 million token context window and is suitable for processing documents, code libraries, logs and multiple rounds of complex tasks。