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Official benchmarks, independent analysis, and community reports about LongCat Flash Chat, clearly separated from Tabbit's own testing.

3 source-checked resourcesOfficial · Media · Community

Media

2 source-checked resources

MediaHugging Face (the official Meituan LongCat model card)

LongCat-Flash-Chat Official Model Card: MoE Architecture, Benchmarks, and Tool Capabilities

One-sentence takeaway LongCat-Flash-Chat is a non-thinking MoE with 560B total parameters and about 27B active on average. The official table shows strong tool calling and instruction following and moderately strong coding performance, while long-context graph。

MediaLongCat API Platform Change Log2025-08-29

LongCat Official Change Log: Flash-Chat API Launch, Upgrades, and Retirement/Migration Boundaries

One-sentence takeaway LongCat-Flash-Chat launched in the API in 2025-09 and received code, context, and Agent upgrades in 2025-12, but the official record says it was retired alongside other legacy models on 2026-05-29. New projects should migrate to LongCat-2。

Community

1 source-checked resources

CommunityReddit r/LocalLLaMA2025-08-31

Reddit: Community Observations on LongCat-Flash-Chat 560B MoE Speed and Local Deployment

One-sentence takeaway Early community tests were positive about LongCat-Flash-Chat's response speed and dynamic-activation MoE design, but the discussion focused on architectural interest, VRAM, and expectations for llama.cpp; it did not produce a reproducible。

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Official benchmarks, independent analysis, and community reports about LongCat Flash Chat, clearly separated from Tabbit's own testing.