EssentialAI: Rnj 1 Instruct

Essential AIID: essentialai/rnj-1-instruct

Rnj-1 is an 8B-parameter, dense, open-weight model family developed by Essential AI and trained from scratch with a focus on programming, math, and scientific reasoning. The model demonstrates strong performance across multiple programming languages, tool-use workflows, and agentic execution environments (e.g., mini-SWE-agent).

Pricing per 1M Tokens

Input (Prompt)$0.15
Output (Completion)$0.15
Cache ReadFree
Cache WriteFree
ImageN/A

Specifications

Context Length33K
Max Output TokensN/A
Input ModalitiesText
Output ModalitiesText
TokenizerOther
Instruct TypeN/A
Top Provider Context33K
Top Provider Max OutputN/A
ModeratedNo

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Last updated: March 23, 2026

First tracked: March 23, 2026