{"passport":{"slug":"grok-45","display_name":"Grok 4.5","model_type":"code|multimodal","parameter_count":"1.5T","context_window":"500K","claimed_developer":"xAI","confirmed_developer":"xAI","developer_display":"xAI","developer_confirmed_at":"2026-07-09T00:00:00+00:00","developer_source":"Confirmed via https://x.ai/news/grok-4-5","first_appeared_at":"2024-01-21T00:00:00+00:00","first_appeared_on":"reddit_localllama","status":"confirmed","availability":null,"deployment_status":"not_deployed","availability_scope":null,"gate":3,"eu_ai_act":"restricted","regulatory_status":{"eu_ai_act":"restricted"},"open_source":false,"weights_available":false,"license":null,"provenance_chain":[],"parent_model":null,"model_family":null,"superseded_by":null,"supersedes":[],"recommended_replacement":null,"product_links":null},"events":[{"event_type":"developer_corrected","event_date":"2026-08-26T00:00:00+00:00","title":"Correction: disposition authority vs execution actor","detail":"The confirmation event on this row at 2026-08-26T13:32:43.888402+00:00 recorded data.disposition=\"human\" with actor=\"stark-raaw\". That is imprecise and is corrected here rather than rewritten. AUTHORITY was human — Do Raaw — by explicit ruling (Do GO x4 (S248, ~17:0x CEST), GO 2 — 'the actor each event carries; correction event per row, never a rewrite'). EXECUTION was performed by stark-raaw, an AGENT, not a person. The developer attribution and the evidence class on the original event are UNCHANGED and remain correct; only the claim about who performed the disposition is narrowed. Raised by Stark against his own record: asserting human-in-the-loop where the actor was a process is the same defect filed the same day against scripts/ack-redalert.cjs.","source_url":null,"source_name":"stark-raaw"},{"event_type":"first_appearance","event_date":"2024-01-21T00:00:00+00:00","title":"First recorded in AI news","detail":"xAI released Grok 4.5, a closed-weights frontier model with competitive performance on SWE Bench Pro (64.7%), achieving 4.2x better token efficiency than Claude Opus while being served at 80 tokens per second. The model was trained on tens of thousands of GB300s and is priced at $2/M input and $6/M output tokens, with EU availability delayed until mid-July.","source_url":"https://reddit.com/r/LocalLLaMA/comments/1ur71hq/grok_45_released_glm52_shows_up_in_xais_own/","source_name":"reddit_localllama"}],"delta":{"days_unattributed":900,"claimed_developer":"xAI","confirmed_developer":"xAI","match":true}}