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Rnj 1 Instruct

by EssentialAI

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).

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Pricing

Input Tokens
Per 1M tokens
Free
Output Tokens
Per 1M tokens
Free
Image Processing
Per 1M tokens
$0.00/1M tokens

Supported Modalities

Input

text

Output

text

Specifications

Context Length
33K tokens
Provider
EssentialAI
Released
Dec 7, 2025
Model ID
essentialai/rnj-1-instruct

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