{"schema":"postcutoff/event@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/e/2023-07-18-llama-2/","md":"https://postcutoff.com/e/2023-07-18-llama-2/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2023-07-18-llama-2","date":"2023-07-18","date_precision":"day","short_title":"Meta releases Llama 2 with a commercial-use license","deck":null,"takeaway":"Llama 2 (7B, 13B, 70B) and its chat-tuned variants were released free for research and most commercial use, in partnership with Microsoft, making strong open-weight LLMs available to businesses.","category":"open-source","category_label":"Open source","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"Meta and Microsoft Introduce the Next Generation of Llama (Meta)","url":"https://about.fb.com/news/2023/07/llama-2/","type":"official","group":"primary","domain":"about.fb.com"},{"n":2,"title":"Llama 2: Open Foundation and Fine-Tuned Chat Models (arXiv)","url":"https://arxiv.org/abs/2307.09288","type":"paper","group":"primary","domain":"arxiv.org"}],"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Meta","Microsoft"],"title":"Meta releases Llama 2 with a commercial-use license","summary":"Llama 2 (7B, 13B, 70B) and its chat-tuned variants were released free for research and most commercial use, in partnership with Microsoft, making strong open-weight LLMs available to businesses.","key_facts":["Released 18 July 2023; paper arXiv 2307.09288","Sizes: 7B, 13B, 70B; trained on 2 trillion tokens","Llama 2-Chat fine-tuned with RLHF","License allowed commercial use except for services with >700M monthly users"],"key_numbers":[],"tags":["llm","open-weights","meta"],"science":null,"body_md":"## What happened\n\nMeta openly released a new generation of Llama models with a permissive (though not OSI-open) license.\n\n## Why it matters\n\nLegitimized open-weights LLMs in industry and intensified the open vs. closed AI policy debate.","disputed":[],"related":[{"id":"2024-07-23-llama-3-1-405b","url":"https://postcutoff.com/e/2024-07-23-llama-3-1-405b/","date":"2024-07-23","date_precision":"day","short_title":"Llama 3.1 405B: the first frontier-class open-weights model","deck":null,"takeaway":"Narrowed the open–closed gap to months; open frontier weights reshaped policy debates and enabled wide distillation.","category":"open-source","category_label":"Open source","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":2,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Meta"]},{"id":"2023-02-24-llama","url":"https://postcutoff.com/e/2023-02-24-llama/","date":"2023-02-24","date_precision":"day","short_title":"Meta releases LLaMA, sparking the open-weights LLM wave","deck":null,"takeaway":"Kick-started the open-weights LLM movement that later produced Llama 2/3, Mistral, Qwen and DeepSeek.","category":"open-source","category_label":"Open source","importance":5,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":2,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Meta AI"]}],"people":[],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-09-29","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-09-29","run":null,"sources_read":null,"updated":"2026-09-29","human_review":null,"version":{"date":"2026-10-04"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":null,"in_training_data":true},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":null,"in_training_data":true},{"model_id":"gemini-4-hydrogen","name":"Gemini 4 Hydrogen","cutoff":"2026-03","days_after":null,"in_training_data":true},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":null,"in_training_data":true}],"short_url":"https://postcutoff.com/s/meta-llama-2-commercial-use"}