LongCat
LongCat is an open-source large language model series released by Meituan, focused on agent and deep reasoning capabilities. It features tool calling and multi-step reasoning.
Timeline (last 90 days)
By modifying .claude/settings.json in the user directory to configure the base URL, API Key, and model name, and adding a configuration item in claude.json to skip the official login authentication, Claude Code can be made to use third-party model endpoints.
LongCat's free quota policy, model names, and configuration details may change with platform updates, and the official documentation should be taken as authoritative.
LongCat's web deep-thinking mode invokes 8 thinkers to reason independently and then aggregates the results.
LongCat-Video continues Meituan's LongCat series technical brand.
Meituan's LongCat large model has launched a 2.5 preview version on the OpenRouter platform, open for free trial for a period of two weeks.
After connecting via a third-party API, when asked about its identity, Claude Code will answer that it is the official Claude model, but what is actually running is LongCat
The LongCat API open platform gives each user 500,000 free tokens per day, with the quota refreshing daily
中国代表性开源大模型包括阿里巴巴通义千问、智谱GLM、DeepSeek、月之暗面Kimi、小米MiMo、美团龙猫（LongCat）
All Facts (6)
By modifying .claude/settings.json in the user directory to configure the base URL, API Key, and model name, and adding a configuration item in claude.json to skip the official login authentication, Claude Code can be made to use third-party model endpoints.
50%UnverifiedLongCat's web deep-thinking mode invokes 8 thinkers to reason independently and then aggregates the results.
50%UnverifiedLongCat's free quota policy, model names, and configuration details may change with platform updates, and the official documentation should be taken as authoritative.
50%UnverifiedLongCat-Video continues Meituan's LongCat series technical brand.
50%UnverifiedAfter connecting via a third-party API, when asked about its identity, Claude Code will answer that it is the official Claude model, but what is actually running is LongCat
50%Unverified中国代表性开源大模型包括阿里巴巴通义千问、智谱GLM、DeepSeek、月之暗面Kimi、小米MiMo、美团龙猫（LongCat）
50%