Essential AI

AI research company behind the open Rnj-1 models

essential.aiSan Francisco, United States

Essential AI is a San Francisco company led by Ashish Vaswani and Niki Parmar, both co-authors of the Transformer paper. Its research team publishes open models and datasets, including the Rnj-1 language models.

Catalogue

All models by Essential AI

1 models · 1–1

Select models to compare	Model	Released	Context	Input /M	Output /M	Parameters	Type	I/O	Openness
	Rnj-1 InstructEssential AI	December 4, 2025	33K	—	—	8.3B	Text	text → text	Open weights

Page 1 of 1

Previous Next