{"id":"grok-4-fast","slug":"grok-4-fast","name":"Grok 4 Fast","orgId":"xai","family":"grok-4-fast","releaseDate":"2025-09-19","availability":"ga","openWeights":false,"license":null,"paramsTotal":null,"contextWindow":null,"knowledgeCutoff":null,"modelCardUrl":"https://epoch.ai/benchmarks","hfRepo":null,"modalities":["text"],"aliases":["grok-4-fast","Grok 4 Fast"],"aliasNote":null,"organization":{"id":"xai","name":"xAI","slug":"xai","country":null,"url":null,"color":"#111111","mark":"x"},"price":null,"answer":{"word":"No.","scope":"Best recorded rank is #58 in Abstraction (ARC).","lead":"As of Oct 14, 2026, Grok 4 Fast from xAI. Best recorded rank is #58 in Abstraction (ARC). Last listed at #58 in Abstraction (ARC) on 2025-09-19. That board does not award a crown.","confidence":"low"},"verdicts":[{"id":"v_overall_arc_grok-4-fast_2026-10-14_open_NOT_SOTA","model":"grok-4-fast","model_name":"Grok 4 Fast","category":"arc","category_name":"Abstraction (ARC)","slice":"overall","state":"NOT_SOTA","rank":58,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Last listed at #58 in Abstraction (ARC) on 2025-09-19. That board does not award a crown.","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #58"}]}