LongCat Flash Chat

LongCat Flash Chat by Meituan excels in the Coding category, where it ranks #115 with a composite score of 50/100. LongCat-Flash-Chat is a large-scale Mixture-of-Experts (MoE) model with 560B total parameters, of which 18.6B–31.3B (≈27B on average) are dynamically activated per input. It introduces a shortcut-connected MoE design to reduce communication overhead and achieve high throughput while maintaining training stability through advanced scaling strategies such as hyperparameter transfer, deterministic computation, and multi-stage optimization. This release, LongCat-Flash-Chat, is a non-thinking foundation model optimized for conversational and agentic tasks. It supports long context windows up to 128K tokens and shows competitive performance across reasoning, coding, instruction following, and domain benchmarks, with particular strengths in tool use and complex multi-step interactions. It is particularly strong in areas highlighted by its top benchmark performance and adoption metrics, making it suitable for both individual developers and enterprise teams looking for a reliable coding solution.

LongCat Flash Chat is priced at $0.20 per million input tokens and $0.80 per million output tokens (USD). Contact the provider for volume discounts and enterprise pricing. Pricing is competitive within the coding category and reflects the model's quality-to-cost ratio.

In the Coding category, LongCat Flash Chat holds rank #115 out of 6 models tracked. Its quality rank is #115 and adoption rank is #115. You can use our comparison tool at /compare to see detailed side-by-side metrics with specific alternatives. Key differentiators include its composite scoring across benchmarks, community sentiment, and real-world adoption rates.

LongCat Flash Chat has been evaluated across 6 different signals. Its strongest areas include Capabilities (43/100), Context Window (81/100), Output Capacity (85/100). These scores are derived from industry-standard benchmarks, community ratings, and real-world performance metrics. The composite score of 50/100 reflects a weighted combination of all tracked signals.

LongCat Flash Chat is a paid model, though some providers may offer trial credits or limited free tiers for evaluation. Check Meituan's website for current free tier availability and promotional offers.