{"schema":"postcutoff/event@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/e/2023-02-24-llama/","md":"https://postcutoff.com/e/2023-02-24-llama/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":"2023-02-24-llama","date":"2023-02-24","date_precision":"day","short_title":"Meta releases LLaMA, sparking the open-weights LLM wave","deck":null,"takeaway":"Meta released LLaMA (7B–65B) to researchers; LLaMA-13B outperformed GPT-3 on most benchmarks, and after the weights leaked in early March the model seeded a vast open-source ecosystem (Alpaca, Vicuna, llama.cpp).","category":"open-source","category_label":"Open source","importance":5,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"Introducing LLaMA (Meta AI)","url":"https://ai.meta.com/blog/large-language-model-llama-meta-ai/","type":"official","group":"primary","domain":"ai.meta.com"},{"n":2,"title":"LLaMA: Open and Efficient Foundation Language Models (arXiv)","url":"https://arxiv.org/abs/2302.13971","type":"paper","group":"primary","domain":"arxiv.org"}],"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Meta AI"],"title":"Meta releases LLaMA, sparking the open-weights LLM wave","summary":"Meta released LLaMA (7B–65B) to researchers; LLaMA-13B outperformed GPT-3 on most benchmarks, and after the weights leaked in early March the model seeded a vast open-source ecosystem (Alpaca, Vicuna, llama.cpp).","key_facts":["Announced 24 February 2023; paper arXiv 2302.13971","Sizes: 7B, 13B, 33B, 65B parameters","Trained only on publicly available data, up to 1.4T tokens","LLaMA-13B outperformed GPT-3 (175B) on most benchmarks reported","Weights leaked publicly within about a week"],"key_numbers":[],"tags":["llm","open-weights","meta"],"science":null,"body_md":"## What happened\n\nMeta published a family of Chinchilla-style efficient foundation models under a research license.\n\n## Why it matters\n\nKick-started the open-weights LLM movement that later produced Llama 2/3, Mistral, Qwen and DeepSeek.","disputed":[],"related":[{"id":"2023-07-18-llama-2","url":"https://postcutoff.com/e/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":"Legitimized open-weights LLMs in industry and intensified the open vs. closed AI policy debate.","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","Microsoft"]},{"id":"2022-03-29-chinchilla","url":"https://postcutoff.com/e/2022-03-29-chinchilla/","date":"2022-03-29","date_precision":"day","short_title":"DeepMind's Chinchilla revises scaling laws toward more data","deck":null,"takeaway":"Reshaped how every lab trains LLMs, pushing toward far larger datasets and smaller, cheaper-to-serve models (e.g. LLaMA).","category":"research","category_label":"Research","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":2,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["DeepMind"]}],"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-sparking-open-weights"}