Stemma Machinarum

Model · llama-2-7b-chat

Llama 2-Chat 7B

Developer: Meta
Availability: gated · checked 2026-09-24 · source
HF gate: manual approval.

Raw record: /data/models/llama-2-7b-chat.json

Fields

id
llama-2-7b-chat
identifiers
huggingface
meta-llama/Llama-2-7b-chat-hf
meta-llama/Llama-2-7b-chat
developer
Meta
release_date
2023-07-18recorded · source
weights_status
open
availability
gated · checked 2026-09-24 · source
note:  HF gate: manual approval.
license
Llama 2 Community License Agreement (research and commercial use; licensees with >700M monthly active users on the release date must request a separate license from Meta).recorded · source
architecture
family
decoder_only
note
Inherits Llama 2 7B's architecture; Meta's HF config is gated, so no values recorded here.
n_layers
nullnot_recorded
hidden_size
nullnot_recorded
n_heads
nullnot_recorded
vocab_size
nullnot_recorded
positional_encoding
nullnot_recorded
training_data
Supervised fine-tuning plus RLHF on Meta-collected human preference data; see paper sec. 3.partial · source
techniques
instruction-tuning
rlhf
primary_sources
https://arxiv.org/abs/2307.09288
https://ai.meta.com/blog/llama-2/
record_history
date:2026-09-24 · change:created from primary sources (Phase 1 seed, batch 1) · by:wilson-pruitt + claude ·
date:2026-09-24 · change:availability checked and recorded · by:wilson-pruitt + claude ·

Parents

Weights descend

Children

Weights descend

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