{"id":"claude-opus-4-5-20251101-128k","slug":"claude-opus-4-5-20251101-128k","name":"Claude Opus 4.5 20251101 128k","orgId":"anthropic","family":"claude-opus-4-5-20251101-128k","releaseDate":"2025-11-24","availability":"ga","openWeights":false,"license":null,"paramsTotal":null,"contextWindow":null,"knowledgeCutoff":null,"modelCardUrl":"https://epoch.ai/benchmarks","hfRepo":null,"modalities":["text"],"aliases":["claude-opus-4-5-20251101_128K","Claude Opus 4.5 20251101 128k"],"aliasNote":null,"organization":{"id":"anthropic","name":"Anthropic","slug":"anthropic","country":null,"url":null,"color":"#D97757","mark":"A"},"price":null,"answer":{"word":"No.","scope":"Not SOTA in General LLM.","lead":"As of Oct 14, 2026, Claude Opus 4.5 20251101 128k from Anthropic. Not SOTA in General LLM. Not SOTA in General LLM. No independent primary score is on the current boards.","confidence":"low"},"verdicts":[{"id":"v_overall_general-llm_claude-opus-4-5-20251101-128k_2025-11-24_open_NOT_SOTA","model":"claude-opus-4-5-20251101-128k","model_name":"Claude Opus 4.5 20251101 128k","category":"general-llm","category_name":"General LLM","slice":"overall","state":"NOT_SOTA","rank":null,"margin":null,"confidence":"low","valid_from":"2025-11-24","valid_to":null,"configuration":null,"rationale":"Not SOTA in General LLM. No independent primary score is on the current boards.","safeguard_flags":["no_primary_evidence"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA"}]}