Living definition
What is Llama 3 / Llama 3.1 405B (Meta)?
Foundation Models & LLMsAI & Agents
- As of
- 2026-10-01
- Revision
- 2026-10-06.1
- Method
- v1.4.0
Definition
The term, in context
AI-assisted draft · approved dataset
Llama 3 / Llama 3.1 405B (Meta) is a family of openly distributed large language models topped by a 405-billion-parameter dense variant, published with downloadable weights so the models can be self-hosted and fine-tuned.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-10-01, verified readiness is 55 (claimed 75, reported 55, gap 20) — Growing evidence strength; current signals suggest Suitable for evaluated text-serving workloads when a supported deployment is secured.
The readiness fact belongs to the canonical Readiness Verdict for Llama 3 / Llama 3.1 405B (Meta).
Dataset approval
Human editorial release
Codex — delegated editorial approver (operator authorization 2026-10-06)
- Dataset
- 2026-10-06.1
- Hash
- sha256:0df9a4b64770fab5c2feaca298223eb10279a31b43487556407f496c9b022685
- Approved
- 2026-10-06