Claude Code with LongCat-Flash-Chat: Surprising Performance

As a long-time Claude Code user, I’m always searching for cost-effective AI programming assistants. From DeepSeek and GLM-4.5 to Kimi-k2, I’ve tested multiple models. Recently, Meituan’s open source LongCat-Flash-Chat caught my attention, and after several days of intensive testing, I must say: this is one of my most satisfying experiences to date. LongCat-Flash-Chat: Meituan’s Technical Showcase LongCat-Flash-Chat is Meituan’s open source large language model, built on the company’s extensive data and technical expertise accumulated in the local services domain. This model not only demonstrates Meituan’s capabilities in the AI field but, more importantly, provides developers with a genuinely practical free AI tool. ...

September 23, 2025 · 6 min · Long Wang