meituan/longcat-2.0LongCat-2.0 is Meituan Inc’s open-weights AI model, released Jun 29, 2026. It costs $0.30/M input and $1.20/M output tokens, and handles a 1M-token context window.
LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total.
Scores on standardized evaluations. Higher is better — and rank shows where LongCat-2.0 lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Frontier of human expert knowledge
Scientific research coding
LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total.
LongCat-2.0 is an AI model developed by Meituan Inc, released Jun 29, 2026.
LongCat-2.0 is served from $0.30 per million input tokens and $1.20 per million output tokens (cheapest credible provider on OpenRouter: AtlasCloud).
LongCat-2.0 supports a context window of up to 1M tokens.
On standardized evaluations tracked by Epoch AI, LongCat-2.0 scores 33.7% on Humanity's Last Exam, 78.0% on GPQA Diamond, 36.3% on SciCode.
LongCat-2.0 is released with open weights (Open weights (unrestricted)), so the model can be downloaded and self-hosted.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Sep 10, 2026.