{"id":"claude-opus-4","slug":"claude-opus-4","name":"Claude Opus 4","orgId":"anthropic","family":"claude-opus-4","releaseDate":"2025-05-22","availability":"ga","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-4-20250514","Claude Opus 4","claude-opus-4-20250514_unknown"],"aliasNote":null,"organization":{"id":"anthropic","name":"Anthropic","slug":"anthropic","country":null,"url":null,"color":"#D97757","mark":"A"},"price":null,"answer":{"word":"It used to be.","scope":"Was SOTA in Reasoning.","lead":"As of Oct 14, 2026, Claude Opus 4 from Anthropic. Was SOTA in Reasoning. Was SOTA in Reasoning from 2025-06-03 to 2025-07-01. Currently ranked #97.","confidence":"medium"},"verdicts":[{"id":"v_overall_general-llm_claude-opus-4_2026-10-14_open_NOT_SOTA","model":"claude-opus-4","model_name":"Claude Opus 4","category":"general-llm","category_name":"General LLM","slice":"overall","state":"NOT_SOTA","rank":101,"margin":68.9655172413793,"confidence":"medium","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Ranked #101 in General LLM.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #101"},{"id":"v_overall_reasoning_claude-opus-4_2025-06-03_open_WAS_SOTA","model":"claude-opus-4","model_name":"Claude Opus 4","category":"reasoning","category_name":"Reasoning","slice":"overall","state":"WAS_SOTA","rank":97,"margin":66.20689655172413,"confidence":"medium","valid_from":"2025-06-03","valid_to":null,"configuration":null,"rationale":"Was SOTA in Reasoning from 2025-06-03 to 2025-07-01. Currently ranked #97.","safeguard_flags":["dethroned"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Was SOTA · Reasoning"},{"id":"v_overall_math_claude-opus-4_2026-10-14_open_NOT_SOTA","model":"claude-opus-4","model_name":"Claude Opus 4","category":"math","category_name":"Math","slice":"overall","state":"NOT_SOTA","rank":27,"margin":60.46511627906977,"confidence":"medium","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Ranked #27 in Math.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #27"},{"id":"v_overall_science_claude-opus-4_2026-10-14_open_NOT_SOTA","model":"claude-opus-4","model_name":"Claude Opus 4","category":"science","category_name":"Science","slice":"overall","state":"NOT_SOTA","rank":113,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Last listed at #113 in Science on 2025-05-22. That board does not award a crown.","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #113"},{"id":"v_overall_coding_claude-opus-4_2026-10-14_open_NOT_SOTA","model":"claude-opus-4","model_name":"Claude Opus 4","category":"coding","category_name":"Coding","slice":"overall","state":"NOT_SOTA","rank":24,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Last listed at #24 in Coding on 2025-05-22.","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #24"},{"id":"v_overall_long-context_claude-opus-4_2026-10-14_open_NOT_SOTA","model":"claude-opus-4","model_name":"Claude Opus 4","category":"long-context","category_name":"Long context","slice":"overall","state":"NOT_SOTA","rank":70,"margin":47.26027397260275,"confidence":"medium","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Ranked #70 in Long context.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #70"},{"id":"v_overall_vision_claude-opus-4_2026-10-14_open_NOT_SOTA","model":"claude-opus-4","model_name":"Claude Opus 4","category":"vision","category_name":"Vision","slice":"overall","state":"NOT_SOTA","rank":73,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Ranked #73 in Vision.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #73"},{"id":"v_overall_arc_claude-opus-4_2026-10-14_open_NOT_SOTA","model":"claude-opus-4","model_name":"Claude Opus 4","category":"arc","category_name":"Abstraction (ARC)","slice":"overall","state":"NOT_SOTA","rank":86,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Last listed at #86 in Abstraction (ARC) on 2025-05-22. That board does not award a crown.","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #86"}]}