{"passport":{"slug":"llama-4","display_name":"Llama 4","model_type":"multimodal","parameter_count":"109B-2T","context_window":"10M (Scout) / 1M (Maverick)","claimed_developer":"Meta","confirmed_developer":"Meta","developer_confirmed_at":"2025-04-05T00:00:00+00:00","developer_source":"Official Meta AI blog announcement","first_appeared_at":"2025-04-05T00:00:00+00:00","first_appeared_on":"official announcement","status":"active","availability":null,"deployment_status":"not_deployed","availability_scope":null,"gate":3,"eu_ai_act":"restricted (license prohibits EU-domiciled users)","regulatory_status":{"us":"available","eu_ai_act":"restricted (license prohibits EU-domiciled users)"},"open_source":true,"weights_available":true,"license":null,"provenance_chain":[{"role":"developer","entity":"Meta","source":"official announcement","confirmed_at":"2025-04-05"},{"role":"CEO, confirmed on earnings calls","entity":"Mark Zuckerberg","source":"public statements","confirmed_at":"2025-04-05"}],"parent_model":null,"model_family":"Llama","superseded_by":null,"supersedes":[],"recommended_replacement":null,"product_links":null},"events":[{"event_type":"first_appearance","event_date":"2025-04-05T00:00:00+00:00","title":"Llama 4 launched by Meta","detail":"Meta releases Llama 4 family: Scout and Maverick available on HuggingFace and Llama.com. Behemoth still training. First Llama models with Mixture-of-Experts architecture. Scout fits on single H100 GPU with Int4 quantization. Released on a Saturday.","source_url":"https://ai.meta.com/blog/llama-4-multimodal-intelligence/","source_name":"Meta AI (official)"},{"event_type":"capability_observed","event_date":"2025-04-05T00:00:00+00:00","title":"Benchmark controversy: different model used for LMArena","detail":"Meta submitted a separate \"experimental chat version\" of Llama 4 Maverick to LMArena benchmark, different from the publicly released model. The experimental version was optimized for conversational preference. LMArena changed its policies to prevent recurrence. Meta denied training on test sets but acknowledged using a different model version.","source_url":"https://en.wikipedia.org/wiki/Llama_(language_model)","source_name":"LMArena / community reports"}],"delta":{"days_unattributed":0,"claimed_developer":"Meta","confirmed_developer":"Meta","match":true}}