{"id":"longcat-flash-chat-2602-exp","slug":"longcat-flash-chat-2602-exp","name":"Longcat Flash Chat 2602 Exp","orgId":"meituan","family":"longcat-flash-chat-2602-exp","releaseDate":null,"availability":"unreleased","openWeights":false,"license":"Proprietary","paramsTotal":null,"contextWindow":null,"knowledgeCutoff":null,"modelCardUrl":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset","hfRepo":null,"modalities":["text"],"aliases":["longcat-flash-chat-2602-exp","Longcat Flash Chat 2602 Exp"],"aliasNote":null,"organization":{"id":"meituan","name":"meituan","slug":"meituan","country":null,"url":null,"color":"#A39E8F","mark":"ME"},"price":null,"answer":{"word":"Not yet.","scope":"Not released, so it cannot be state of the art.","lead":"As of Oct 14, 2026, Longcat Flash Chat 2602 Exp from meituan. Not released, so it cannot be state of the art. Announced but not publicly usable, so it cannot hold General LLM.","confidence":"low"},"verdicts":[{"id":"v_overall_general-llm_longcat-flash-chat-2602-exp_2026-10-14_open_UNRELEASED","model":"longcat-flash-chat-2602-exp","model_name":"Longcat Flash Chat 2602 Exp","category":"general-llm","category_name":"General LLM","slice":"overall","state":"UNRELEASED","rank":null,"present_evidence":[],"missing_evidence":[],"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Announced but not publicly usable, so it cannot hold General LLM.","safeguard_flags":["no_primary_evidence"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Unreleased"}]}