Meituan Opens LongCat-2.0 Coding Model With 1M Context


TL;DR

  • Public Release: Chinese tech company Meituan has opened LongCat-2.0 as a 1.6-trillion-parameter coding model with a 1-million-token context window, while weights remain pending.
  • Model Design: Meituan reports Mixture-of-Experts routing, MIT licensing, more than 35 trillion training tokens, and application-specific AI chip superpods.
  • Usage Caveat: The anonymous OpenRouter model alias Owl Alpha still has attributed usage metrics because direct platform confirmation was not resolved.
  • Agent Market: Gemini CLI, Cursor, Devin Desktop, Codex, and Claude Code already compete across the coding-agent market.

Chinese tech company Meituan has released LongCat-2.0 as a public coding model, putting the project in developer channels while the full model-file release remains pending. For developers, the move brings a consumer-internet company into the coding-agent race with a model whose appeal rests on scale, permissive licensing, and domestic AI accelerators.

LongCat-2.0 uses a Mixture-of-Experts design, meaning selected expert parts activate per token rather than the whole model firing at once. Its 1.6 trillion total parameters, about 48 billion active parameters per token, and native 1-million-token context window can give coding agents more room to inspect large repositories, logs, and documents before changing software.

Meituan’s Hugging Face license file grants permission to use, copy, modify, publish, distribute, sublicense, and sell copies of the software. Downloadable files remain pending because the repository still marks “Model weights coming soon”, leaving developers able to inspect terms and specifications before they can benchmark a fully local model.

What LongCat-2.0 Adds to Coding Models

LongCat-2.0’s architecture tries to make large-context coding practical without turning every token into a dense-model compute bill. MoE routing lets each token use only part of the expert pool, while LongCat Sparse Attention is meant to keep distant files and instructions available during large code or document work.

Training and deployment run on AI ASIC superpods, a cluster of application-specific AI chips built for model workloads rather than a GPU-only setup. The public package does not name a chip supplier.