Llama 2
AI Model
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Historical
The July 2023 release that legitimized open commercial weights.
You're looking at an AI model record: who built it, what it can do, and the hardware and data behind it.
Llama 2 (7B–70B, free for most commercial use, Microsoft as launch partner) turned Meta's leaked-research liability into strategy: an open ecosystem that commoditizes rivals' paid models. Fine-tunes of it seeded thousands of startups and the local-AI movement.
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Record reviewed as of 2026-01-15 — see Methodology.