LLM-jp / NII LLMCLLM-jp-3 MoE

LLM-jp-3 8×13B Base

LLM-jp-3 8×13B Base has 73,162,828,800 total parameters and 22,200,806,400 active parameters. Its 40-layer architecture retains a 4,096-token context.

Research release

The expert count does not equal total size

The model combines shared transformer components with expert feed-forward layers. The card supplies both total and active parameter counts, so multiplying eight by the nominal dense size would give the wrong model size.LLM-jp-3 8×13B Base official model card

Plan storage and computation separately

Practical guidance. This 8×13B expert configuration can be compared with dense releases using the same corpus. Memory still needs to hold the complete expert model, even though routing uses only part of it per token.

Specifications & access

LLM-jp-3 8×13B Base specifications
DetailValue and conditions
StatusResearch release
AccessDownloadable
Model identifiersllm-jp-3-8x13b
Context window4,096 tokens

Maximum sequence length stated in the model card.

LLM-jp-3 8×13B Base official model card
Architecture40 layers; hidden size 5120; eight experts, two active.LLM-jp-3 8×13B Base official model card
LicenseApache 2.0.LLM-jp-3 8×13B Base official model card
Pretraining2.1 trillion seen tokens reported in the model card.LLM-jp-3 8×13B Base official model card
AncestryDrop-Upcycling from LLM-jp-3 13B; expert reinitialization ratio 0.5.LLM-jp-3 MoE training and release

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