{"passport":{"slug":"llama-4-maverick","display_name":"Llama 4 Maverick","model_type":"multimodal","parameter_count":"17B active (128 experts, MoE)","context_window":"1M tokens","claimed_developer":"Meta","confirmed_developer":"Meta","developer_confirmed_at":"2025-04-05T00:00:00+00:00","developer_source":"Official Meta blog post and Hugging Face release","first_appeared_at":"2025-04-05T00:00:00+00:00","first_appeared_on":"huggingface","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","gdpr_notes":"EU ban inherited from Llama 4 parent license"},"open_source":true,"weights_available":true,"license":null,"provenance_chain":[{"role":"developer","entity":"Meta","source":"official release","confirmed_at":"2025-04-05"}],"parent_model":"llama-4","model_family":"Llama","superseded_by":null,"supersedes":[],"recommended_replacement":null,"product_links":null},"events":[{"event_type":"regulatory_event","event_date":"2025-04-07T00:00:00+00:00","title":"Meta VP denies test set manipulation — acknowledges different model submitted","detail":"Ahmad Al-Dahle, VP Generative AI at Meta, denies training on test sets. Acknowledges the model submitted to LM Arena was an experimental chat-optimised variant not available to the public.","source_url":"https://techcrunch.com/2025/04/07/meta-exec-denies-the-company-artificially-boosted-llama-4s-benchmark-scores/","source_name":"TechCrunch / Meta official"},{"event_type":"security_concern","event_date":"2025-04-06T00:00:00+00:00","title":"Benchmark controversy: different model submitted to LM Arena vs public release","detail":"AI researchers discover the Maverick version submitted to LM Arena (Llama-4-Maverick-03-26-Experimental) is not the same as the publicly released model. Experimental version ranked 2nd globally (Elo 1417). Public release ranked 32nd. AI researcher Nathan Lambert: \"Sneaky. The results below are fake.\" LM Arena apologised and changed submission policies.","source_url":"https://techcrunch.com/2025/04/06/metas-benchmarks-for-its-new-ai-models-are-a-bit-misleading/","source_name":"TechCrunch / Nathan Lambert / LM Arena"},{"event_type":"first_appearance","event_date":"2025-04-05T00:00:00+00:00","title":"Llama 4 Maverick released — surprise Saturday launch","detail":"Meta releases Llama 4 Maverick and Scout in an unusual Saturday launch. Maverick: 17B active parameters, 128 MoE experts, 1M token context, multimodal. Open weights under Meta Llama 4 Community License.","source_url":"https://ai.meta.com/blog/llama-4-multimodal-intelligence","source_name":"Meta official blog"}],"delta":{"days_unattributed":0,"claimed_developer":"Meta","confirmed_developer":"Meta","match":true}}