{"passport":{"slug":"kimi-k2","display_name":"Kimi K2","model_type":"language","parameter_count":"1T (32B active)","context_window":"256k","claimed_developer":"Moonshot AI","confirmed_developer":"Moonshot AI","developer_confirmed_at":"2025-07-01T00:00:00+00:00","developer_source":"Official release on HuggingFace and Moonshot channels","first_appeared_at":"2025-07-01T00:00:00+00:00","first_appeared_on":"huggingface","status":"active","availability":null,"deployment_status":"not_deployed","availability_scope":null,"gate":3,"eu_ai_act":"unregistered","regulatory_status":{"us":"available","china":"compliant","eu_ai_act":"unregistered"},"open_source":true,"weights_available":true,"license":null,"provenance_chain":[{"role":"developer","entity":"Moonshot AI","source":"official release","confirmed_at":"2025-07-01"},{"role":"co-founder, Tsinghua University","entity":"Yang Zhilin (CEO)","source":"public reporting","confirmed_at":"2025-07-01"},{"role":"investor ($1B round, Feb 2024)","entity":"Alibaba Group","source":"public reporting","confirmed_at":"2024-02-01"},{"role":"investor ($300M round, Aug 2024)","entity":"Tencent","source":"public reporting","confirmed_at":"2024-08-01"}],"parent_model":null,"model_family":"Kimi","superseded_by":null,"supersedes":[],"recommended_replacement":null,"product_links":null},"events":[{"event_type":"security_concern","event_date":"2026-02-01T00:00:00+00:00","title":"Anthropic accuses Moonshot of training data theft","detail":"Approximate date (February 2026). Anthropic accused Moonshot AI of using thousands of fraudulent accounts to generate millions of conversations with Claude to train its own models. Exact date of accusation not confirmed to specific day.","source_url":null,"source_name":"Multiple news sources"},{"event_type":"update_released","event_date":"2026-01-27T00:00:00+00:00","title":"Kimi K2.5 released — multimodal upgrade","detail":"Moonshot AI releases Kimi K2.5. Adds native vision via MoonViT vision encoder (400M parameters). Agent Swarm technology coordinates up to 100 parallel specialized agents. 50.2% on Humanity's Last Exam with tools. Processes images and video for agentic tasks.","source_url":"https://www.kimi.com/blog/kimi-k2-5.html","source_name":"Moonshot AI (official)"},{"event_type":"first_appearance","event_date":"2025-07-01T00:00:00+00:00","title":"Kimi K2 released by Moonshot AI","detail":"Approximate date (July 2025, exact day not confirmed). Moonshot AI releases Kimi K2 on HuggingFace. 1T parameter MoE model with 32B active parameters. Trained on 15.5T tokens. Open weights under modified MIT license. Became most downloaded model on HuggingFace the day after release. Excels on coding benchmarks.","source_url":"https://huggingface.co/moonshotai","source_name":"Moonshot AI / HuggingFace"}],"delta":{"days_unattributed":0,"claimed_developer":"Moonshot AI","confirmed_developer":"Moonshot AI","match":true}}