{"id":"claude-opus-4-5-20251101-high","slug":"claude-opus-4-5-20251101-high","name":"Claude Opus 4.5 20251101 High","orgId":"anthropic","family":"claude-opus-4-5-20251101-high","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":["claude-opus-4-5-20251101-high-32k","Claude Opus 4.5 20251101 High"],"aliasNote":null,"organization":{"id":"anthropic","name":"Anthropic","slug":"anthropic","country":null,"url":null,"color":"#D97757","mark":"A"},"price":null,"answer":{"word":"Not yet.","scope":"Not released, so it cannot be state of the art.","lead":"As of Oct 14, 2026, Claude Opus 4.5 20251101 High from Anthropic. 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_claude-opus-4-5-20251101-high_2026-10-14_open_UNRELEASED","model":"claude-opus-4-5-20251101-high","model_name":"Claude Opus 4.5 20251101 High","category":"general-llm","category_name":"General LLM","slice":"overall","state":"UNRELEASED","rank":null,"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"}]}