Jurassic-1 Large
Jurassic-1 Large is the smaller of the two models in AI21's original technical paper. It has 7.5 billion parameters and 32 Transformer layers.
Access not confirmed
The vocabulary included phrases
The 256K-item tokenizer represented word pieces, whole words and multi-word expressions. It was designed to encode English text with fewer tokens.Jurassic-1 technical details and evaluation
An earlier completion model
AI21's 2022 comparison treated Large as the smallest Jurassic-1 option, below Grande and Jumbo.Introducing J1-Grande
Practical guidance. Current access to this original model is not confirmed. Its vocabulary size is a tokenizer property, not a 256K context window.
Specifications & access
| Detail | Value and conditions |
|---|---|
| Status | Access not confirmed |
| Launch date | August 2021 |
| Model identifiers | J1-Large |
| Parameters | 7.5 billionJurassic-1 technical details and evaluation |
| Layers | 32Jurassic-1 technical details and evaluation |
Related models
- Jurassic-2 Large Base
AI21 Labs · Jurassic-2
Historical smallest Jurassic-2 base model from the March 2023 release.
Launch date Access not confirmed - Jurassic-1 Grande
AI21 Labs · Jurassic-1
Middle-sized Jurassic-1 text model introduced between Large and Jumbo.
Launch date Access not confirmed - Jurassic-1 Jumbo
AI21 Labs · Jurassic-1
178-billion-parameter Jurassic-1 model with a wider, shallower Transformer design.
Launch date August 2021Access not confirmed