{"id":"grok-4-20","slug":"grok-4-20","name":"Grok 4.20","orgId":"xai","family":"grok-4-20","releaseDate":"2026-02-17","availability":"ga","openWeights":false,"license":null,"paramsTotal":500000000000,"contextWindow":2000000,"knowledgeCutoff":null,"modelCardUrl":"https://www.tbench.ai/leaderboard/terminal-bench/2.0","hfRepo":null,"modalities":["text","image","file"],"aliases":["grok-4-20","Grok 4.20","x-ai/grok-4.20","SpaceXAI: Grok 4.20"],"aliasNote":null,"organization":{"id":"xai","name":"xAI","slug":"xai","country":null,"url":null,"color":"#111111","mark":"x"},"price":{"modelId":"grok-4-20","provider":"x-ai","inputPerM":null,"outputPerM":null,"blendedPerM":1.5625000000000002,"tokensPerS":null,"observedAt":"2026-10-13","sourceId":"openrouter"},"answer":{"word":"No.","scope":"Best recorded rank is #27 in Abstraction (ARC).","lead":"As of Oct 14, 2026, Grok 4.20 from xAI. Best recorded rank is #27 in Abstraction (ARC). Last listed at #27 in Abstraction (ARC) on 2026-02-17. That board does not award a crown.","confidence":"low"},"verdicts":[{"id":"v_overall_arc_grok-4-20_2026-10-14_open_NOT_SOTA","model":"grok-4-20","model_name":"Grok 4.20","category":"arc","category_name":"Abstraction (ARC)","slice":"overall","state":"NOT_SOTA","rank":27,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Last listed at #27 in Abstraction (ARC) on 2026-02-17. That board does not award a crown.","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #27"}]}