{"id":"gemini-3-1-pro-preview-customtools","slug":"gemini-3-1-pro-preview-customtools","name":"Gemini 3.1 Pro Preview Customtools","orgId":"google","family":"gemini-3-1-pro-preview-customtools","releaseDate":"2026-02-19","availability":"ga","openWeights":false,"license":null,"paramsTotal":null,"contextWindow":1048576,"knowledgeCutoff":null,"modelCardUrl":"https://epoch.ai/benchmarks","hfRepo":null,"modalities":["text","audio","image","video","file"],"aliases":["gemini-3.1-pro-preview-customtools","Gemini 3.1 Pro Preview Customtools","google/gemini-3.1-pro-preview-customtools","Google: Gemini 3.1 Pro Preview Custom Tools"],"aliasNote":null,"organization":{"id":"google","name":"Google DeepMind","slug":"google","country":null,"url":null,"color":"#4285F4","mark":"G"},"price":{"modelId":"gemini-3-1-pro-preview-customtools","provider":"google","inputPerM":null,"outputPerM":null,"blendedPerM":4.5,"tokensPerS":null,"observedAt":"2026-10-14","sourceId":"openrouter"},"answer":{"word":"No.","scope":"#10 on SWE-bench Verified; missing Terminal-Bench 4.0, SWE-bench Pro V2 HARD, and LMArena Text (style-controlled, coding)","lead":"As of Oct 14, 2026, Gemini 3.1 Pro Preview Customtools from Google DeepMind. #10 on SWE-bench Verified; missing Terminal-Bench 4.0, SWE-bench Pro V2 HARD, and LMArena Text (style-controlled, coding) #10 on SWE-bench Verified; missing Terminal-Bench 4.0, SWE-bench Pro V2 HARD, and LMArena Text (style-controlled, coding)","confidence":"low"},"verdicts":[{"id":"v_overall_coding_gemini-3-1-pro-preview-customtools_2026-10-14_open_INSUFFICIENT_DATA","model":"gemini-3-1-pro-preview-customtools","model_name":"Gemini 3.1 Pro Preview Customtools","category":"coding","category_name":"Coding","slice":"overall","state":"INSUFFICIENT_DATA","rank":null,"present_evidence":[{"benchmark":"swe-bench-verified","name":"SWE-bench Verified","rank":10}],"missing_evidence":[{"benchmark":"terminal-bench-4","name":"Terminal-Bench 4.0"},{"benchmark":"swe-bench-pro-hard","name":"SWE-bench Pro V2 HARD"},{"benchmark":"lmarena-text-coding","name":"LMArena Text (style-controlled, coding)"}],"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"#10 on SWE-bench Verified; missing Terminal-Bench 4.0, SWE-bench Pro V2 HARD, and LMArena Text (style-controlled, coding)","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not enough data"}]}