{"passport":{"slug":"gemini-3-1-pro","display_name":"Gemini 3.1 Pro","model_type":"multimodal","parameter_count":"undisclosed","context_window":"1M","claimed_developer":"Google DeepMind","confirmed_developer":"Google DeepMind","developer_confirmed_at":"2026-02-19T00:00:00+00:00","developer_source":"Official Google blog announcement","first_appeared_at":"2026-02-19T00:00:00+00:00","first_appeared_on":"official announcement","status":"active","availability":null,"deployment_status":"not_deployed","availability_scope":null,"gate":3,"eu_ai_act":"registered","regulatory_status":{"us":"available","eu_ai_act":"registered"},"open_source":false,"weights_available":false,"license":null,"provenance_chain":[{"role":"developer","entity":"Google DeepMind","source":"official announcement","confirmed_at":"2026-02-19"},{"role":"parent company","entity":"Google","source":"official announcement","confirmed_at":"2026-02-19"}],"parent_model":"gemini-3-pro","model_family":"Gemini","superseded_by":null,"supersedes":[],"recommended_replacement":null,"product_links":null},"events":[{"event_type":"first_appearance","event_date":"2026-02-19T00:00:00+00:00","title":"Gemini 3.1 Pro launched by Google DeepMind","detail":"Google DeepMind releases Gemini 3.1 Pro in preview. Scores 77.1% on ARC-AGI-2, more than double Gemini 3 Pro. Introduces three-tier thinking system with new medium parameter. 1M token input context. 65,536 token output capacity. Available across Gemini API, Vertex AI, Gemini app, and developer tools.","source_url":"https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-1-pro/","source_name":"Google (official)"}],"delta":{"days_unattributed":0,"claimed_developer":"Google DeepMind","confirmed_developer":"Google DeepMind","match":true}}